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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7ca1ac135b
SPLL would be a reference clock we could potentially share, especially if we want to use the SSC mode. But currently we don't, so let's rip out this complexity for a simpler conversion to the new display pll framework. Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2858 lines
85 KiB
C
2858 lines
85 KiB
C
/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
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*/
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _I915_DRV_H_
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#define _I915_DRV_H_
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#include <uapi/drm/i915_drm.h>
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#include "i915_reg.h"
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#include "intel_bios.h"
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#include "intel_ringbuffer.h"
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#include "i915_gem_gtt.h"
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#include <linux/io-mapping.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <drm/intel-gtt.h>
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#include <linux/backlight.h>
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#include <linux/hashtable.h>
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#include <linux/intel-iommu.h>
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#include <linux/kref.h>
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#include <linux/pm_qos.h>
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/* General customization:
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*/
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#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
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#define DRIVER_NAME "i915"
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#define DRIVER_DESC "Intel Graphics"
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#define DRIVER_DATE "20140620"
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enum pipe {
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INVALID_PIPE = -1,
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PIPE_A = 0,
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PIPE_B,
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PIPE_C,
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_PIPE_EDP,
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I915_MAX_PIPES = _PIPE_EDP
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};
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#define pipe_name(p) ((p) + 'A')
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enum transcoder {
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TRANSCODER_A = 0,
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TRANSCODER_B,
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TRANSCODER_C,
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TRANSCODER_EDP,
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I915_MAX_TRANSCODERS
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};
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#define transcoder_name(t) ((t) + 'A')
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enum plane {
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PLANE_A = 0,
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PLANE_B,
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PLANE_C,
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};
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#define plane_name(p) ((p) + 'A')
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#define sprite_name(p, s) ((p) * INTEL_INFO(dev)->num_sprites[(p)] + (s) + 'A')
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enum port {
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PORT_A = 0,
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PORT_B,
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PORT_C,
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PORT_D,
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PORT_E,
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I915_MAX_PORTS
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};
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#define port_name(p) ((p) + 'A')
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#define I915_NUM_PHYS_VLV 2
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enum dpio_channel {
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DPIO_CH0,
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DPIO_CH1
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};
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enum dpio_phy {
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DPIO_PHY0,
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DPIO_PHY1
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};
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enum intel_display_power_domain {
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POWER_DOMAIN_PIPE_A,
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POWER_DOMAIN_PIPE_B,
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POWER_DOMAIN_PIPE_C,
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POWER_DOMAIN_PIPE_A_PANEL_FITTER,
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POWER_DOMAIN_PIPE_B_PANEL_FITTER,
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POWER_DOMAIN_PIPE_C_PANEL_FITTER,
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POWER_DOMAIN_TRANSCODER_A,
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POWER_DOMAIN_TRANSCODER_B,
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POWER_DOMAIN_TRANSCODER_C,
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POWER_DOMAIN_TRANSCODER_EDP,
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POWER_DOMAIN_PORT_DDI_A_2_LANES,
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POWER_DOMAIN_PORT_DDI_A_4_LANES,
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POWER_DOMAIN_PORT_DDI_B_2_LANES,
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POWER_DOMAIN_PORT_DDI_B_4_LANES,
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POWER_DOMAIN_PORT_DDI_C_2_LANES,
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POWER_DOMAIN_PORT_DDI_C_4_LANES,
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POWER_DOMAIN_PORT_DDI_D_2_LANES,
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POWER_DOMAIN_PORT_DDI_D_4_LANES,
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POWER_DOMAIN_PORT_DSI,
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POWER_DOMAIN_PORT_CRT,
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POWER_DOMAIN_PORT_OTHER,
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POWER_DOMAIN_VGA,
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POWER_DOMAIN_AUDIO,
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POWER_DOMAIN_INIT,
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POWER_DOMAIN_NUM,
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};
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#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
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#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
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((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
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#define POWER_DOMAIN_TRANSCODER(tran) \
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((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
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(tran) + POWER_DOMAIN_TRANSCODER_A)
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enum hpd_pin {
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HPD_NONE = 0,
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HPD_PORT_A = HPD_NONE, /* PORT_A is internal */
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HPD_TV = HPD_NONE, /* TV is known to be unreliable */
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HPD_CRT,
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HPD_SDVO_B,
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HPD_SDVO_C,
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HPD_PORT_B,
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HPD_PORT_C,
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HPD_PORT_D,
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HPD_NUM_PINS
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};
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#define I915_GEM_GPU_DOMAINS \
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(I915_GEM_DOMAIN_RENDER | \
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I915_GEM_DOMAIN_SAMPLER | \
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I915_GEM_DOMAIN_COMMAND | \
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I915_GEM_DOMAIN_INSTRUCTION | \
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I915_GEM_DOMAIN_VERTEX)
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#define for_each_pipe(p) for ((p) = 0; (p) < INTEL_INFO(dev)->num_pipes; (p)++)
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#define for_each_sprite(p, s) for ((s) = 0; (s) < INTEL_INFO(dev)->num_sprites[(p)]; (s)++)
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#define for_each_crtc(dev, crtc) \
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
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#define for_each_intel_crtc(dev, intel_crtc) \
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list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
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#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
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list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
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if ((intel_encoder)->base.crtc == (__crtc))
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#define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
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list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
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if ((intel_connector)->base.encoder == (__encoder))
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struct drm_i915_private;
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struct i915_mmu_object;
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enum intel_dpll_id {
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DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
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/* real shared dpll ids must be >= 0 */
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DPLL_ID_PCH_PLL_A,
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DPLL_ID_PCH_PLL_B,
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};
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#define I915_NUM_PLLS 2
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struct intel_dpll_hw_state {
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uint32_t dpll;
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uint32_t dpll_md;
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uint32_t fp0;
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uint32_t fp1;
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};
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struct intel_shared_dpll {
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int refcount; /* count of number of CRTCs sharing this PLL */
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int active; /* count of number of active CRTCs (i.e. DPMS on) */
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bool on; /* is the PLL actually active? Disabled during modeset */
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const char *name;
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/* should match the index in the dev_priv->shared_dplls array */
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enum intel_dpll_id id;
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struct intel_dpll_hw_state hw_state;
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void (*mode_set)(struct drm_i915_private *dev_priv,
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struct intel_shared_dpll *pll);
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void (*enable)(struct drm_i915_private *dev_priv,
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struct intel_shared_dpll *pll);
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void (*disable)(struct drm_i915_private *dev_priv,
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struct intel_shared_dpll *pll);
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bool (*get_hw_state)(struct drm_i915_private *dev_priv,
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struct intel_shared_dpll *pll,
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struct intel_dpll_hw_state *hw_state);
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};
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/* Used by dp and fdi links */
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struct intel_link_m_n {
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uint32_t tu;
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uint32_t gmch_m;
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uint32_t gmch_n;
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uint32_t link_m;
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uint32_t link_n;
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};
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void intel_link_compute_m_n(int bpp, int nlanes,
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int pixel_clock, int link_clock,
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struct intel_link_m_n *m_n);
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struct intel_ddi_plls {
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int wrpll1_refcount;
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int wrpll2_refcount;
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};
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/* Interface history:
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*
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* 1.1: Original.
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* 1.2: Add Power Management
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* 1.3: Add vblank support
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* 1.4: Fix cmdbuffer path, add heap destroy
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* 1.5: Add vblank pipe configuration
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* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
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* - Support vertical blank on secondary display pipe
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*/
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 6
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#define DRIVER_PATCHLEVEL 0
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#define WATCH_LISTS 0
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#define WATCH_GTT 0
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struct opregion_header;
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struct opregion_acpi;
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struct opregion_swsci;
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struct opregion_asle;
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struct intel_opregion {
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struct opregion_header __iomem *header;
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struct opregion_acpi __iomem *acpi;
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struct opregion_swsci __iomem *swsci;
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u32 swsci_gbda_sub_functions;
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u32 swsci_sbcb_sub_functions;
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struct opregion_asle __iomem *asle;
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void __iomem *vbt;
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u32 __iomem *lid_state;
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struct work_struct asle_work;
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};
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#define OPREGION_SIZE (8*1024)
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struct intel_overlay;
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struct intel_overlay_error_state;
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struct drm_i915_master_private {
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drm_local_map_t *sarea;
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struct _drm_i915_sarea *sarea_priv;
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};
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#define I915_FENCE_REG_NONE -1
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#define I915_MAX_NUM_FENCES 32
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/* 32 fences + sign bit for FENCE_REG_NONE */
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#define I915_MAX_NUM_FENCE_BITS 6
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struct drm_i915_fence_reg {
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struct list_head lru_list;
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struct drm_i915_gem_object *obj;
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int pin_count;
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};
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struct sdvo_device_mapping {
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u8 initialized;
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u8 dvo_port;
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u8 slave_addr;
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u8 dvo_wiring;
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u8 i2c_pin;
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u8 ddc_pin;
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};
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struct intel_display_error_state;
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struct drm_i915_error_state {
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struct kref ref;
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struct timeval time;
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char error_msg[128];
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u32 reset_count;
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u32 suspend_count;
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/* Generic register state */
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u32 eir;
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u32 pgtbl_er;
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u32 ier;
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u32 ccid;
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u32 derrmr;
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u32 forcewake;
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u32 error; /* gen6+ */
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u32 err_int; /* gen7 */
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u32 done_reg;
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u32 gac_eco;
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u32 gam_ecochk;
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u32 gab_ctl;
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u32 gfx_mode;
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u32 extra_instdone[I915_NUM_INSTDONE_REG];
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u64 fence[I915_MAX_NUM_FENCES];
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struct intel_overlay_error_state *overlay;
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struct intel_display_error_state *display;
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struct drm_i915_error_object *semaphore_obj;
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struct drm_i915_error_ring {
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bool valid;
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/* Software tracked state */
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bool waiting;
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int hangcheck_score;
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enum intel_ring_hangcheck_action hangcheck_action;
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int num_requests;
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/* our own tracking of ring head and tail */
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u32 cpu_ring_head;
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u32 cpu_ring_tail;
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u32 semaphore_seqno[I915_NUM_RINGS - 1];
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/* Register state */
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u32 tail;
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u32 head;
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u32 ctl;
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u32 hws;
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u32 ipeir;
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u32 ipehr;
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u32 instdone;
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u32 bbstate;
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u32 instpm;
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u32 instps;
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u32 seqno;
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u64 bbaddr;
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u64 acthd;
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u32 fault_reg;
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u64 faddr;
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u32 rc_psmi; /* sleep state */
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u32 semaphore_mboxes[I915_NUM_RINGS - 1];
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struct drm_i915_error_object {
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int page_count;
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u32 gtt_offset;
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u32 *pages[0];
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} *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
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struct drm_i915_error_request {
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long jiffies;
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u32 seqno;
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u32 tail;
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} *requests;
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struct {
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u32 gfx_mode;
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union {
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u64 pdp[4];
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u32 pp_dir_base;
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};
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} vm_info;
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pid_t pid;
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char comm[TASK_COMM_LEN];
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} ring[I915_NUM_RINGS];
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struct drm_i915_error_buffer {
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u32 size;
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u32 name;
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u32 rseqno, wseqno;
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u32 gtt_offset;
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u32 read_domains;
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u32 write_domain;
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s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
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s32 pinned:2;
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u32 tiling:2;
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u32 dirty:1;
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u32 purgeable:1;
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u32 userptr:1;
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s32 ring:4;
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u32 cache_level:3;
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} **active_bo, **pinned_bo;
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u32 *active_bo_count, *pinned_bo_count;
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};
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struct intel_connector;
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struct intel_crtc_config;
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struct intel_plane_config;
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struct intel_crtc;
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struct intel_limit;
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struct dpll;
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struct drm_i915_display_funcs {
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bool (*fbc_enabled)(struct drm_device *dev);
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void (*enable_fbc)(struct drm_crtc *crtc);
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void (*disable_fbc)(struct drm_device *dev);
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int (*get_display_clock_speed)(struct drm_device *dev);
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int (*get_fifo_size)(struct drm_device *dev, int plane);
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/**
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* find_dpll() - Find the best values for the PLL
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* @limit: limits for the PLL
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* @crtc: current CRTC
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* @target: target frequency in kHz
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* @refclk: reference clock frequency in kHz
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* @match_clock: if provided, @best_clock P divider must
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* match the P divider from @match_clock
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* used for LVDS downclocking
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* @best_clock: best PLL values found
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*
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* Returns true on success, false on failure.
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*/
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bool (*find_dpll)(const struct intel_limit *limit,
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struct drm_crtc *crtc,
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int target, int refclk,
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struct dpll *match_clock,
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struct dpll *best_clock);
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void (*update_wm)(struct drm_crtc *crtc);
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void (*update_sprite_wm)(struct drm_plane *plane,
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struct drm_crtc *crtc,
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uint32_t sprite_width, int pixel_size,
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bool enable, bool scaled);
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void (*modeset_global_resources)(struct drm_device *dev);
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/* Returns the active state of the crtc, and if the crtc is active,
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* fills out the pipe-config with the hw state. */
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bool (*get_pipe_config)(struct intel_crtc *,
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struct intel_crtc_config *);
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void (*get_plane_config)(struct intel_crtc *,
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struct intel_plane_config *);
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int (*crtc_mode_set)(struct drm_crtc *crtc,
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int x, int y,
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struct drm_framebuffer *old_fb);
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void (*crtc_enable)(struct drm_crtc *crtc);
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void (*crtc_disable)(struct drm_crtc *crtc);
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void (*off)(struct drm_crtc *crtc);
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void (*write_eld)(struct drm_connector *connector,
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struct drm_crtc *crtc,
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struct drm_display_mode *mode);
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void (*fdi_link_train)(struct drm_crtc *crtc);
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void (*init_clock_gating)(struct drm_device *dev);
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int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc,
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struct drm_framebuffer *fb,
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struct drm_i915_gem_object *obj,
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struct intel_engine_cs *ring,
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uint32_t flags);
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void (*update_primary_plane)(struct drm_crtc *crtc,
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struct drm_framebuffer *fb,
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int x, int y);
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void (*hpd_irq_setup)(struct drm_device *dev);
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/* clock updates for mode set */
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/* cursor updates */
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/* render clock increase/decrease */
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/* display clock increase/decrease */
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/* pll clock increase/decrease */
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int (*setup_backlight)(struct intel_connector *connector);
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uint32_t (*get_backlight)(struct intel_connector *connector);
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void (*set_backlight)(struct intel_connector *connector,
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uint32_t level);
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void (*disable_backlight)(struct intel_connector *connector);
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void (*enable_backlight)(struct intel_connector *connector);
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};
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struct intel_uncore_funcs {
|
|
void (*force_wake_get)(struct drm_i915_private *dev_priv,
|
|
int fw_engine);
|
|
void (*force_wake_put)(struct drm_i915_private *dev_priv,
|
|
int fw_engine);
|
|
|
|
uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
|
|
uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
|
|
uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
|
|
uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
|
|
|
|
void (*mmio_writeb)(struct drm_i915_private *dev_priv, off_t offset,
|
|
uint8_t val, bool trace);
|
|
void (*mmio_writew)(struct drm_i915_private *dev_priv, off_t offset,
|
|
uint16_t val, bool trace);
|
|
void (*mmio_writel)(struct drm_i915_private *dev_priv, off_t offset,
|
|
uint32_t val, bool trace);
|
|
void (*mmio_writeq)(struct drm_i915_private *dev_priv, off_t offset,
|
|
uint64_t val, bool trace);
|
|
};
|
|
|
|
struct intel_uncore {
|
|
spinlock_t lock; /** lock is also taken in irq contexts. */
|
|
|
|
struct intel_uncore_funcs funcs;
|
|
|
|
unsigned fifo_count;
|
|
unsigned forcewake_count;
|
|
|
|
unsigned fw_rendercount;
|
|
unsigned fw_mediacount;
|
|
|
|
struct timer_list force_wake_timer;
|
|
};
|
|
|
|
#define DEV_INFO_FOR_EACH_FLAG(func, sep) \
|
|
func(is_mobile) sep \
|
|
func(is_i85x) sep \
|
|
func(is_i915g) sep \
|
|
func(is_i945gm) sep \
|
|
func(is_g33) sep \
|
|
func(need_gfx_hws) sep \
|
|
func(is_g4x) sep \
|
|
func(is_pineview) sep \
|
|
func(is_broadwater) sep \
|
|
func(is_crestline) sep \
|
|
func(is_ivybridge) sep \
|
|
func(is_valleyview) sep \
|
|
func(is_haswell) sep \
|
|
func(is_preliminary) sep \
|
|
func(has_fbc) sep \
|
|
func(has_pipe_cxsr) sep \
|
|
func(has_hotplug) sep \
|
|
func(cursor_needs_physical) sep \
|
|
func(has_overlay) sep \
|
|
func(overlay_needs_physical) sep \
|
|
func(supports_tv) sep \
|
|
func(has_llc) sep \
|
|
func(has_ddi) sep \
|
|
func(has_fpga_dbg)
|
|
|
|
#define DEFINE_FLAG(name) u8 name:1
|
|
#define SEP_SEMICOLON ;
|
|
|
|
struct intel_device_info {
|
|
u32 display_mmio_offset;
|
|
u8 num_pipes:3;
|
|
u8 num_sprites[I915_MAX_PIPES];
|
|
u8 gen;
|
|
u8 ring_mask; /* Rings supported by the HW */
|
|
DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG, SEP_SEMICOLON);
|
|
/* Register offsets for the various display pipes and transcoders */
|
|
int pipe_offsets[I915_MAX_TRANSCODERS];
|
|
int trans_offsets[I915_MAX_TRANSCODERS];
|
|
int palette_offsets[I915_MAX_PIPES];
|
|
int cursor_offsets[I915_MAX_PIPES];
|
|
};
|
|
|
|
#undef DEFINE_FLAG
|
|
#undef SEP_SEMICOLON
|
|
|
|
enum i915_cache_level {
|
|
I915_CACHE_NONE = 0,
|
|
I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
|
|
I915_CACHE_L3_LLC, /* gen7+, L3 sits between the domain specifc
|
|
caches, eg sampler/render caches, and the
|
|
large Last-Level-Cache. LLC is coherent with
|
|
the CPU, but L3 is only visible to the GPU. */
|
|
I915_CACHE_WT, /* hsw:gt3e WriteThrough for scanouts */
|
|
};
|
|
|
|
struct i915_ctx_hang_stats {
|
|
/* This context had batch pending when hang was declared */
|
|
unsigned batch_pending;
|
|
|
|
/* This context had batch active when hang was declared */
|
|
unsigned batch_active;
|
|
|
|
/* Time when this context was last blamed for a GPU reset */
|
|
unsigned long guilty_ts;
|
|
|
|
/* This context is banned to submit more work */
|
|
bool banned;
|
|
};
|
|
|
|
/* This must match up with the value previously used for execbuf2.rsvd1. */
|
|
#define DEFAULT_CONTEXT_HANDLE 0
|
|
/**
|
|
* struct intel_context - as the name implies, represents a context.
|
|
* @ref: reference count.
|
|
* @user_handle: userspace tracking identity for this context.
|
|
* @remap_slice: l3 row remapping information.
|
|
* @file_priv: filp associated with this context (NULL for global default
|
|
* context).
|
|
* @hang_stats: information about the role of this context in possible GPU
|
|
* hangs.
|
|
* @vm: virtual memory space used by this context.
|
|
* @legacy_hw_ctx: render context backing object and whether it is correctly
|
|
* initialized (legacy ring submission mechanism only).
|
|
* @link: link in the global list of contexts.
|
|
*
|
|
* Contexts are memory images used by the hardware to store copies of their
|
|
* internal state.
|
|
*/
|
|
struct intel_context {
|
|
struct kref ref;
|
|
int user_handle;
|
|
uint8_t remap_slice;
|
|
struct drm_i915_file_private *file_priv;
|
|
struct i915_ctx_hang_stats hang_stats;
|
|
struct i915_address_space *vm;
|
|
|
|
struct {
|
|
struct drm_i915_gem_object *rcs_state;
|
|
bool initialized;
|
|
} legacy_hw_ctx;
|
|
|
|
struct list_head link;
|
|
};
|
|
|
|
struct i915_fbc {
|
|
unsigned long size;
|
|
unsigned threshold;
|
|
unsigned int fb_id;
|
|
enum plane plane;
|
|
int y;
|
|
|
|
struct drm_mm_node compressed_fb;
|
|
struct drm_mm_node *compressed_llb;
|
|
|
|
struct intel_fbc_work {
|
|
struct delayed_work work;
|
|
struct drm_crtc *crtc;
|
|
struct drm_framebuffer *fb;
|
|
} *fbc_work;
|
|
|
|
enum no_fbc_reason {
|
|
FBC_OK, /* FBC is enabled */
|
|
FBC_UNSUPPORTED, /* FBC is not supported by this chipset */
|
|
FBC_NO_OUTPUT, /* no outputs enabled to compress */
|
|
FBC_STOLEN_TOO_SMALL, /* not enough space for buffers */
|
|
FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
|
|
FBC_MODE_TOO_LARGE, /* mode too large for compression */
|
|
FBC_BAD_PLANE, /* fbc not supported on plane */
|
|
FBC_NOT_TILED, /* buffer not tiled */
|
|
FBC_MULTIPLE_PIPES, /* more than one pipe active */
|
|
FBC_MODULE_PARAM,
|
|
FBC_CHIP_DEFAULT, /* disabled by default on this chip */
|
|
} no_fbc_reason;
|
|
};
|
|
|
|
struct i915_drrs {
|
|
struct intel_connector *connector;
|
|
};
|
|
|
|
struct i915_psr {
|
|
bool sink_support;
|
|
bool source_ok;
|
|
bool setup_done;
|
|
bool enabled;
|
|
bool active;
|
|
struct delayed_work work;
|
|
};
|
|
|
|
enum intel_pch {
|
|
PCH_NONE = 0, /* No PCH present */
|
|
PCH_IBX, /* Ibexpeak PCH */
|
|
PCH_CPT, /* Cougarpoint PCH */
|
|
PCH_LPT, /* Lynxpoint PCH */
|
|
PCH_NOP,
|
|
};
|
|
|
|
enum intel_sbi_destination {
|
|
SBI_ICLK,
|
|
SBI_MPHY,
|
|
};
|
|
|
|
#define QUIRK_PIPEA_FORCE (1<<0)
|
|
#define QUIRK_LVDS_SSC_DISABLE (1<<1)
|
|
#define QUIRK_INVERT_BRIGHTNESS (1<<2)
|
|
|
|
struct intel_fbdev;
|
|
struct intel_fbc_work;
|
|
|
|
struct intel_gmbus {
|
|
struct i2c_adapter adapter;
|
|
u32 force_bit;
|
|
u32 reg0;
|
|
u32 gpio_reg;
|
|
struct i2c_algo_bit_data bit_algo;
|
|
struct drm_i915_private *dev_priv;
|
|
};
|
|
|
|
struct i915_suspend_saved_registers {
|
|
u8 saveLBB;
|
|
u32 saveDSPACNTR;
|
|
u32 saveDSPBCNTR;
|
|
u32 saveDSPARB;
|
|
u32 savePIPEACONF;
|
|
u32 savePIPEBCONF;
|
|
u32 savePIPEASRC;
|
|
u32 savePIPEBSRC;
|
|
u32 saveFPA0;
|
|
u32 saveFPA1;
|
|
u32 saveDPLL_A;
|
|
u32 saveDPLL_A_MD;
|
|
u32 saveHTOTAL_A;
|
|
u32 saveHBLANK_A;
|
|
u32 saveHSYNC_A;
|
|
u32 saveVTOTAL_A;
|
|
u32 saveVBLANK_A;
|
|
u32 saveVSYNC_A;
|
|
u32 saveBCLRPAT_A;
|
|
u32 saveTRANSACONF;
|
|
u32 saveTRANS_HTOTAL_A;
|
|
u32 saveTRANS_HBLANK_A;
|
|
u32 saveTRANS_HSYNC_A;
|
|
u32 saveTRANS_VTOTAL_A;
|
|
u32 saveTRANS_VBLANK_A;
|
|
u32 saveTRANS_VSYNC_A;
|
|
u32 savePIPEASTAT;
|
|
u32 saveDSPASTRIDE;
|
|
u32 saveDSPASIZE;
|
|
u32 saveDSPAPOS;
|
|
u32 saveDSPAADDR;
|
|
u32 saveDSPASURF;
|
|
u32 saveDSPATILEOFF;
|
|
u32 savePFIT_PGM_RATIOS;
|
|
u32 saveBLC_HIST_CTL;
|
|
u32 saveBLC_PWM_CTL;
|
|
u32 saveBLC_PWM_CTL2;
|
|
u32 saveBLC_HIST_CTL_B;
|
|
u32 saveBLC_CPU_PWM_CTL;
|
|
u32 saveBLC_CPU_PWM_CTL2;
|
|
u32 saveFPB0;
|
|
u32 saveFPB1;
|
|
u32 saveDPLL_B;
|
|
u32 saveDPLL_B_MD;
|
|
u32 saveHTOTAL_B;
|
|
u32 saveHBLANK_B;
|
|
u32 saveHSYNC_B;
|
|
u32 saveVTOTAL_B;
|
|
u32 saveVBLANK_B;
|
|
u32 saveVSYNC_B;
|
|
u32 saveBCLRPAT_B;
|
|
u32 saveTRANSBCONF;
|
|
u32 saveTRANS_HTOTAL_B;
|
|
u32 saveTRANS_HBLANK_B;
|
|
u32 saveTRANS_HSYNC_B;
|
|
u32 saveTRANS_VTOTAL_B;
|
|
u32 saveTRANS_VBLANK_B;
|
|
u32 saveTRANS_VSYNC_B;
|
|
u32 savePIPEBSTAT;
|
|
u32 saveDSPBSTRIDE;
|
|
u32 saveDSPBSIZE;
|
|
u32 saveDSPBPOS;
|
|
u32 saveDSPBADDR;
|
|
u32 saveDSPBSURF;
|
|
u32 saveDSPBTILEOFF;
|
|
u32 saveVGA0;
|
|
u32 saveVGA1;
|
|
u32 saveVGA_PD;
|
|
u32 saveVGACNTRL;
|
|
u32 saveADPA;
|
|
u32 saveLVDS;
|
|
u32 savePP_ON_DELAYS;
|
|
u32 savePP_OFF_DELAYS;
|
|
u32 saveDVOA;
|
|
u32 saveDVOB;
|
|
u32 saveDVOC;
|
|
u32 savePP_ON;
|
|
u32 savePP_OFF;
|
|
u32 savePP_CONTROL;
|
|
u32 savePP_DIVISOR;
|
|
u32 savePFIT_CONTROL;
|
|
u32 save_palette_a[256];
|
|
u32 save_palette_b[256];
|
|
u32 saveFBC_CONTROL;
|
|
u32 saveIER;
|
|
u32 saveIIR;
|
|
u32 saveIMR;
|
|
u32 saveDEIER;
|
|
u32 saveDEIMR;
|
|
u32 saveGTIER;
|
|
u32 saveGTIMR;
|
|
u32 saveFDI_RXA_IMR;
|
|
u32 saveFDI_RXB_IMR;
|
|
u32 saveCACHE_MODE_0;
|
|
u32 saveMI_ARB_STATE;
|
|
u32 saveSWF0[16];
|
|
u32 saveSWF1[16];
|
|
u32 saveSWF2[3];
|
|
u8 saveMSR;
|
|
u8 saveSR[8];
|
|
u8 saveGR[25];
|
|
u8 saveAR_INDEX;
|
|
u8 saveAR[21];
|
|
u8 saveDACMASK;
|
|
u8 saveCR[37];
|
|
uint64_t saveFENCE[I915_MAX_NUM_FENCES];
|
|
u32 saveCURACNTR;
|
|
u32 saveCURAPOS;
|
|
u32 saveCURABASE;
|
|
u32 saveCURBCNTR;
|
|
u32 saveCURBPOS;
|
|
u32 saveCURBBASE;
|
|
u32 saveCURSIZE;
|
|
u32 saveDP_B;
|
|
u32 saveDP_C;
|
|
u32 saveDP_D;
|
|
u32 savePIPEA_GMCH_DATA_M;
|
|
u32 savePIPEB_GMCH_DATA_M;
|
|
u32 savePIPEA_GMCH_DATA_N;
|
|
u32 savePIPEB_GMCH_DATA_N;
|
|
u32 savePIPEA_DP_LINK_M;
|
|
u32 savePIPEB_DP_LINK_M;
|
|
u32 savePIPEA_DP_LINK_N;
|
|
u32 savePIPEB_DP_LINK_N;
|
|
u32 saveFDI_RXA_CTL;
|
|
u32 saveFDI_TXA_CTL;
|
|
u32 saveFDI_RXB_CTL;
|
|
u32 saveFDI_TXB_CTL;
|
|
u32 savePFA_CTL_1;
|
|
u32 savePFB_CTL_1;
|
|
u32 savePFA_WIN_SZ;
|
|
u32 savePFB_WIN_SZ;
|
|
u32 savePFA_WIN_POS;
|
|
u32 savePFB_WIN_POS;
|
|
u32 savePCH_DREF_CONTROL;
|
|
u32 saveDISP_ARB_CTL;
|
|
u32 savePIPEA_DATA_M1;
|
|
u32 savePIPEA_DATA_N1;
|
|
u32 savePIPEA_LINK_M1;
|
|
u32 savePIPEA_LINK_N1;
|
|
u32 savePIPEB_DATA_M1;
|
|
u32 savePIPEB_DATA_N1;
|
|
u32 savePIPEB_LINK_M1;
|
|
u32 savePIPEB_LINK_N1;
|
|
u32 saveMCHBAR_RENDER_STANDBY;
|
|
u32 savePCH_PORT_HOTPLUG;
|
|
};
|
|
|
|
struct vlv_s0ix_state {
|
|
/* GAM */
|
|
u32 wr_watermark;
|
|
u32 gfx_prio_ctrl;
|
|
u32 arb_mode;
|
|
u32 gfx_pend_tlb0;
|
|
u32 gfx_pend_tlb1;
|
|
u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM];
|
|
u32 media_max_req_count;
|
|
u32 gfx_max_req_count;
|
|
u32 render_hwsp;
|
|
u32 ecochk;
|
|
u32 bsd_hwsp;
|
|
u32 blt_hwsp;
|
|
u32 tlb_rd_addr;
|
|
|
|
/* MBC */
|
|
u32 g3dctl;
|
|
u32 gsckgctl;
|
|
u32 mbctl;
|
|
|
|
/* GCP */
|
|
u32 ucgctl1;
|
|
u32 ucgctl3;
|
|
u32 rcgctl1;
|
|
u32 rcgctl2;
|
|
u32 rstctl;
|
|
u32 misccpctl;
|
|
|
|
/* GPM */
|
|
u32 gfxpause;
|
|
u32 rpdeuhwtc;
|
|
u32 rpdeuc;
|
|
u32 ecobus;
|
|
u32 pwrdwnupctl;
|
|
u32 rp_down_timeout;
|
|
u32 rp_deucsw;
|
|
u32 rcubmabdtmr;
|
|
u32 rcedata;
|
|
u32 spare2gh;
|
|
|
|
/* Display 1 CZ domain */
|
|
u32 gt_imr;
|
|
u32 gt_ier;
|
|
u32 pm_imr;
|
|
u32 pm_ier;
|
|
u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM];
|
|
|
|
/* GT SA CZ domain */
|
|
u32 tilectl;
|
|
u32 gt_fifoctl;
|
|
u32 gtlc_wake_ctrl;
|
|
u32 gtlc_survive;
|
|
u32 pmwgicz;
|
|
|
|
/* Display 2 CZ domain */
|
|
u32 gu_ctl0;
|
|
u32 gu_ctl1;
|
|
u32 clock_gate_dis2;
|
|
};
|
|
|
|
struct intel_rps_ei_calc {
|
|
u32 cz_ts_ei;
|
|
u32 render_ei_c0;
|
|
u32 media_ei_c0;
|
|
};
|
|
|
|
struct intel_gen6_power_mgmt {
|
|
/* work and pm_iir are protected by dev_priv->irq_lock */
|
|
struct work_struct work;
|
|
u32 pm_iir;
|
|
|
|
/* Frequencies are stored in potentially platform dependent multiples.
|
|
* In other words, *_freq needs to be multiplied by X to be interesting.
|
|
* Soft limits are those which are used for the dynamic reclocking done
|
|
* by the driver (raise frequencies under heavy loads, and lower for
|
|
* lighter loads). Hard limits are those imposed by the hardware.
|
|
*
|
|
* A distinction is made for overclocking, which is never enabled by
|
|
* default, and is considered to be above the hard limit if it's
|
|
* possible at all.
|
|
*/
|
|
u8 cur_freq; /* Current frequency (cached, may not == HW) */
|
|
u8 min_freq_softlimit; /* Minimum frequency permitted by the driver */
|
|
u8 max_freq_softlimit; /* Max frequency permitted by the driver */
|
|
u8 max_freq; /* Maximum frequency, RP0 if not overclocking */
|
|
u8 min_freq; /* AKA RPn. Minimum frequency */
|
|
u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */
|
|
u8 rp1_freq; /* "less than" RP0 power/freqency */
|
|
u8 rp0_freq; /* Non-overclocked max frequency. */
|
|
|
|
u32 ei_interrupt_count;
|
|
|
|
int last_adj;
|
|
enum { LOW_POWER, BETWEEN, HIGH_POWER } power;
|
|
|
|
bool enabled;
|
|
struct delayed_work delayed_resume_work;
|
|
|
|
/*
|
|
* Protects RPS/RC6 register access and PCU communication.
|
|
* Must be taken after struct_mutex if nested.
|
|
*/
|
|
struct mutex hw_lock;
|
|
};
|
|
|
|
/* defined intel_pm.c */
|
|
extern spinlock_t mchdev_lock;
|
|
|
|
struct intel_ilk_power_mgmt {
|
|
u8 cur_delay;
|
|
u8 min_delay;
|
|
u8 max_delay;
|
|
u8 fmax;
|
|
u8 fstart;
|
|
|
|
u64 last_count1;
|
|
unsigned long last_time1;
|
|
unsigned long chipset_power;
|
|
u64 last_count2;
|
|
struct timespec last_time2;
|
|
unsigned long gfx_power;
|
|
u8 corr;
|
|
|
|
int c_m;
|
|
int r_t;
|
|
|
|
struct drm_i915_gem_object *pwrctx;
|
|
struct drm_i915_gem_object *renderctx;
|
|
};
|
|
|
|
struct drm_i915_private;
|
|
struct i915_power_well;
|
|
|
|
struct i915_power_well_ops {
|
|
/*
|
|
* Synchronize the well's hw state to match the current sw state, for
|
|
* example enable/disable it based on the current refcount. Called
|
|
* during driver init and resume time, possibly after first calling
|
|
* the enable/disable handlers.
|
|
*/
|
|
void (*sync_hw)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/*
|
|
* Enable the well and resources that depend on it (for example
|
|
* interrupts located on the well). Called after the 0->1 refcount
|
|
* transition.
|
|
*/
|
|
void (*enable)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/*
|
|
* Disable the well and resources that depend on it. Called after
|
|
* the 1->0 refcount transition.
|
|
*/
|
|
void (*disable)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
/* Returns the hw enabled state. */
|
|
bool (*is_enabled)(struct drm_i915_private *dev_priv,
|
|
struct i915_power_well *power_well);
|
|
};
|
|
|
|
/* Power well structure for haswell */
|
|
struct i915_power_well {
|
|
const char *name;
|
|
bool always_on;
|
|
/* power well enable/disable usage count */
|
|
int count;
|
|
/* cached hw enabled state */
|
|
bool hw_enabled;
|
|
unsigned long domains;
|
|
unsigned long data;
|
|
const struct i915_power_well_ops *ops;
|
|
};
|
|
|
|
struct i915_power_domains {
|
|
/*
|
|
* Power wells needed for initialization at driver init and suspend
|
|
* time are on. They are kept on until after the first modeset.
|
|
*/
|
|
bool init_power_on;
|
|
bool initializing;
|
|
int power_well_count;
|
|
|
|
struct mutex lock;
|
|
int domain_use_count[POWER_DOMAIN_NUM];
|
|
struct i915_power_well *power_wells;
|
|
};
|
|
|
|
struct i915_dri1_state {
|
|
unsigned allow_batchbuffer : 1;
|
|
u32 __iomem *gfx_hws_cpu_addr;
|
|
|
|
unsigned int cpp;
|
|
int back_offset;
|
|
int front_offset;
|
|
int current_page;
|
|
int page_flipping;
|
|
|
|
uint32_t counter;
|
|
};
|
|
|
|
struct i915_ums_state {
|
|
/**
|
|
* Flag if the X Server, and thus DRM, is not currently in
|
|
* control of the device.
|
|
*
|
|
* This is set between LeaveVT and EnterVT. It needs to be
|
|
* replaced with a semaphore. It also needs to be
|
|
* transitioned away from for kernel modesetting.
|
|
*/
|
|
int mm_suspended;
|
|
};
|
|
|
|
#define MAX_L3_SLICES 2
|
|
struct intel_l3_parity {
|
|
u32 *remap_info[MAX_L3_SLICES];
|
|
struct work_struct error_work;
|
|
int which_slice;
|
|
};
|
|
|
|
struct i915_gem_mm {
|
|
/** Memory allocator for GTT stolen memory */
|
|
struct drm_mm stolen;
|
|
/** List of all objects in gtt_space. Used to restore gtt
|
|
* mappings on resume */
|
|
struct list_head bound_list;
|
|
/**
|
|
* List of objects which are not bound to the GTT (thus
|
|
* are idle and not used by the GPU) but still have
|
|
* (presumably uncached) pages still attached.
|
|
*/
|
|
struct list_head unbound_list;
|
|
|
|
/** Usable portion of the GTT for GEM */
|
|
unsigned long stolen_base; /* limited to low memory (32-bit) */
|
|
|
|
/** PPGTT used for aliasing the PPGTT with the GTT */
|
|
struct i915_hw_ppgtt *aliasing_ppgtt;
|
|
|
|
struct notifier_block oom_notifier;
|
|
struct shrinker shrinker;
|
|
bool shrinker_no_lock_stealing;
|
|
|
|
/** LRU list of objects with fence regs on them. */
|
|
struct list_head fence_list;
|
|
|
|
/**
|
|
* We leave the user IRQ off as much as possible,
|
|
* but this means that requests will finish and never
|
|
* be retired once the system goes idle. Set a timer to
|
|
* fire periodically while the ring is running. When it
|
|
* fires, go retire requests.
|
|
*/
|
|
struct delayed_work retire_work;
|
|
|
|
/**
|
|
* When we detect an idle GPU, we want to turn on
|
|
* powersaving features. So once we see that there
|
|
* are no more requests outstanding and no more
|
|
* arrive within a small period of time, we fire
|
|
* off the idle_work.
|
|
*/
|
|
struct delayed_work idle_work;
|
|
|
|
/**
|
|
* Are we in a non-interruptible section of code like
|
|
* modesetting?
|
|
*/
|
|
bool interruptible;
|
|
|
|
/**
|
|
* Is the GPU currently considered idle, or busy executing userspace
|
|
* requests? Whilst idle, we attempt to power down the hardware and
|
|
* display clocks. In order to reduce the effect on performance, there
|
|
* is a slight delay before we do so.
|
|
*/
|
|
bool busy;
|
|
|
|
/* the indicator for dispatch video commands on two BSD rings */
|
|
int bsd_ring_dispatch_index;
|
|
|
|
/** Bit 6 swizzling required for X tiling */
|
|
uint32_t bit_6_swizzle_x;
|
|
/** Bit 6 swizzling required for Y tiling */
|
|
uint32_t bit_6_swizzle_y;
|
|
|
|
/* accounting, useful for userland debugging */
|
|
spinlock_t object_stat_lock;
|
|
size_t object_memory;
|
|
u32 object_count;
|
|
};
|
|
|
|
struct drm_i915_error_state_buf {
|
|
unsigned bytes;
|
|
unsigned size;
|
|
int err;
|
|
u8 *buf;
|
|
loff_t start;
|
|
loff_t pos;
|
|
};
|
|
|
|
struct i915_error_state_file_priv {
|
|
struct drm_device *dev;
|
|
struct drm_i915_error_state *error;
|
|
};
|
|
|
|
struct i915_gpu_error {
|
|
/* For hangcheck timer */
|
|
#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
|
|
#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
|
|
/* Hang gpu twice in this window and your context gets banned */
|
|
#define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
|
|
|
|
struct timer_list hangcheck_timer;
|
|
|
|
/* For reset and error_state handling. */
|
|
spinlock_t lock;
|
|
/* Protected by the above dev->gpu_error.lock. */
|
|
struct drm_i915_error_state *first_error;
|
|
struct work_struct work;
|
|
|
|
|
|
unsigned long missed_irq_rings;
|
|
|
|
/**
|
|
* State variable controlling the reset flow and count
|
|
*
|
|
* This is a counter which gets incremented when reset is triggered,
|
|
* and again when reset has been handled. So odd values (lowest bit set)
|
|
* means that reset is in progress and even values that
|
|
* (reset_counter >> 1):th reset was successfully completed.
|
|
*
|
|
* If reset is not completed succesfully, the I915_WEDGE bit is
|
|
* set meaning that hardware is terminally sour and there is no
|
|
* recovery. All waiters on the reset_queue will be woken when
|
|
* that happens.
|
|
*
|
|
* This counter is used by the wait_seqno code to notice that reset
|
|
* event happened and it needs to restart the entire ioctl (since most
|
|
* likely the seqno it waited for won't ever signal anytime soon).
|
|
*
|
|
* This is important for lock-free wait paths, where no contended lock
|
|
* naturally enforces the correct ordering between the bail-out of the
|
|
* waiter and the gpu reset work code.
|
|
*/
|
|
atomic_t reset_counter;
|
|
|
|
#define I915_RESET_IN_PROGRESS_FLAG 1
|
|
#define I915_WEDGED (1 << 31)
|
|
|
|
/**
|
|
* Waitqueue to signal when the reset has completed. Used by clients
|
|
* that wait for dev_priv->mm.wedged to settle.
|
|
*/
|
|
wait_queue_head_t reset_queue;
|
|
|
|
/* Userspace knobs for gpu hang simulation;
|
|
* combines both a ring mask, and extra flags
|
|
*/
|
|
u32 stop_rings;
|
|
#define I915_STOP_RING_ALLOW_BAN (1 << 31)
|
|
#define I915_STOP_RING_ALLOW_WARN (1 << 30)
|
|
|
|
/* For missed irq/seqno simulation. */
|
|
unsigned int test_irq_rings;
|
|
};
|
|
|
|
enum modeset_restore {
|
|
MODESET_ON_LID_OPEN,
|
|
MODESET_DONE,
|
|
MODESET_SUSPENDED,
|
|
};
|
|
|
|
struct ddi_vbt_port_info {
|
|
uint8_t hdmi_level_shift;
|
|
|
|
uint8_t supports_dvi:1;
|
|
uint8_t supports_hdmi:1;
|
|
uint8_t supports_dp:1;
|
|
};
|
|
|
|
enum drrs_support_type {
|
|
DRRS_NOT_SUPPORTED = 0,
|
|
STATIC_DRRS_SUPPORT = 1,
|
|
SEAMLESS_DRRS_SUPPORT = 2
|
|
};
|
|
|
|
struct intel_vbt_data {
|
|
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
|
|
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
|
|
|
|
/* Feature bits */
|
|
unsigned int int_tv_support:1;
|
|
unsigned int lvds_dither:1;
|
|
unsigned int lvds_vbt:1;
|
|
unsigned int int_crt_support:1;
|
|
unsigned int lvds_use_ssc:1;
|
|
unsigned int display_clock_mode:1;
|
|
unsigned int fdi_rx_polarity_inverted:1;
|
|
unsigned int has_mipi:1;
|
|
int lvds_ssc_freq;
|
|
unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
|
|
|
|
enum drrs_support_type drrs_type;
|
|
|
|
/* eDP */
|
|
int edp_rate;
|
|
int edp_lanes;
|
|
int edp_preemphasis;
|
|
int edp_vswing;
|
|
bool edp_initialized;
|
|
bool edp_support;
|
|
int edp_bpp;
|
|
struct edp_power_seq edp_pps;
|
|
|
|
struct {
|
|
u16 pwm_freq_hz;
|
|
bool present;
|
|
bool active_low_pwm;
|
|
} backlight;
|
|
|
|
/* MIPI DSI */
|
|
struct {
|
|
u16 port;
|
|
u16 panel_id;
|
|
struct mipi_config *config;
|
|
struct mipi_pps_data *pps;
|
|
u8 seq_version;
|
|
u32 size;
|
|
u8 *data;
|
|
u8 *sequence[MIPI_SEQ_MAX];
|
|
} dsi;
|
|
|
|
int crt_ddc_pin;
|
|
|
|
int child_dev_num;
|
|
union child_device_config *child_dev;
|
|
|
|
struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
|
|
};
|
|
|
|
enum intel_ddb_partitioning {
|
|
INTEL_DDB_PART_1_2,
|
|
INTEL_DDB_PART_5_6, /* IVB+ */
|
|
};
|
|
|
|
struct intel_wm_level {
|
|
bool enable;
|
|
uint32_t pri_val;
|
|
uint32_t spr_val;
|
|
uint32_t cur_val;
|
|
uint32_t fbc_val;
|
|
};
|
|
|
|
struct ilk_wm_values {
|
|
uint32_t wm_pipe[3];
|
|
uint32_t wm_lp[3];
|
|
uint32_t wm_lp_spr[3];
|
|
uint32_t wm_linetime[3];
|
|
bool enable_fbc_wm;
|
|
enum intel_ddb_partitioning partitioning;
|
|
};
|
|
|
|
/*
|
|
* This struct helps tracking the state needed for runtime PM, which puts the
|
|
* device in PCI D3 state. Notice that when this happens, nothing on the
|
|
* graphics device works, even register access, so we don't get interrupts nor
|
|
* anything else.
|
|
*
|
|
* Every piece of our code that needs to actually touch the hardware needs to
|
|
* either call intel_runtime_pm_get or call intel_display_power_get with the
|
|
* appropriate power domain.
|
|
*
|
|
* Our driver uses the autosuspend delay feature, which means we'll only really
|
|
* suspend if we stay with zero refcount for a certain amount of time. The
|
|
* default value is currently very conservative (see intel_init_runtime_pm), but
|
|
* it can be changed with the standard runtime PM files from sysfs.
|
|
*
|
|
* The irqs_disabled variable becomes true exactly after we disable the IRQs and
|
|
* goes back to false exactly before we reenable the IRQs. We use this variable
|
|
* to check if someone is trying to enable/disable IRQs while they're supposed
|
|
* to be disabled. This shouldn't happen and we'll print some error messages in
|
|
* case it happens.
|
|
*
|
|
* For more, read the Documentation/power/runtime_pm.txt.
|
|
*/
|
|
struct i915_runtime_pm {
|
|
bool suspended;
|
|
bool irqs_disabled;
|
|
};
|
|
|
|
enum intel_pipe_crc_source {
|
|
INTEL_PIPE_CRC_SOURCE_NONE,
|
|
INTEL_PIPE_CRC_SOURCE_PLANE1,
|
|
INTEL_PIPE_CRC_SOURCE_PLANE2,
|
|
INTEL_PIPE_CRC_SOURCE_PF,
|
|
INTEL_PIPE_CRC_SOURCE_PIPE,
|
|
/* TV/DP on pre-gen5/vlv can't use the pipe source. */
|
|
INTEL_PIPE_CRC_SOURCE_TV,
|
|
INTEL_PIPE_CRC_SOURCE_DP_B,
|
|
INTEL_PIPE_CRC_SOURCE_DP_C,
|
|
INTEL_PIPE_CRC_SOURCE_DP_D,
|
|
INTEL_PIPE_CRC_SOURCE_AUTO,
|
|
INTEL_PIPE_CRC_SOURCE_MAX,
|
|
};
|
|
|
|
struct intel_pipe_crc_entry {
|
|
uint32_t frame;
|
|
uint32_t crc[5];
|
|
};
|
|
|
|
#define INTEL_PIPE_CRC_ENTRIES_NR 128
|
|
struct intel_pipe_crc {
|
|
spinlock_t lock;
|
|
bool opened; /* exclusive access to the result file */
|
|
struct intel_pipe_crc_entry *entries;
|
|
enum intel_pipe_crc_source source;
|
|
int head, tail;
|
|
wait_queue_head_t wq;
|
|
};
|
|
|
|
struct i915_frontbuffer_tracking {
|
|
struct mutex lock;
|
|
|
|
/*
|
|
* Tracking bits for delayed frontbuffer flushing du to gpu activity or
|
|
* scheduled flips.
|
|
*/
|
|
unsigned busy_bits;
|
|
unsigned flip_bits;
|
|
};
|
|
|
|
struct drm_i915_private {
|
|
struct drm_device *dev;
|
|
struct kmem_cache *slab;
|
|
|
|
const struct intel_device_info info;
|
|
|
|
int relative_constants_mode;
|
|
|
|
void __iomem *regs;
|
|
|
|
struct intel_uncore uncore;
|
|
|
|
struct intel_gmbus gmbus[GMBUS_NUM_PORTS];
|
|
|
|
|
|
/** gmbus_mutex protects against concurrent usage of the single hw gmbus
|
|
* controller on different i2c buses. */
|
|
struct mutex gmbus_mutex;
|
|
|
|
/**
|
|
* Base address of the gmbus and gpio block.
|
|
*/
|
|
uint32_t gpio_mmio_base;
|
|
|
|
/* MMIO base address for MIPI regs */
|
|
uint32_t mipi_mmio_base;
|
|
|
|
wait_queue_head_t gmbus_wait_queue;
|
|
|
|
struct pci_dev *bridge_dev;
|
|
struct intel_engine_cs ring[I915_NUM_RINGS];
|
|
struct drm_i915_gem_object *semaphore_obj;
|
|
uint32_t last_seqno, next_seqno;
|
|
|
|
drm_dma_handle_t *status_page_dmah;
|
|
struct resource mch_res;
|
|
|
|
/* protects the irq masks */
|
|
spinlock_t irq_lock;
|
|
|
|
/* protects the mmio flip data */
|
|
spinlock_t mmio_flip_lock;
|
|
|
|
bool display_irqs_enabled;
|
|
|
|
/* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
|
|
struct pm_qos_request pm_qos;
|
|
|
|
/* DPIO indirect register protection */
|
|
struct mutex dpio_lock;
|
|
|
|
/** Cached value of IMR to avoid reads in updating the bitfield */
|
|
union {
|
|
u32 irq_mask;
|
|
u32 de_irq_mask[I915_MAX_PIPES];
|
|
};
|
|
u32 gt_irq_mask;
|
|
u32 pm_irq_mask;
|
|
u32 pm_rps_events;
|
|
u32 pipestat_irq_mask[I915_MAX_PIPES];
|
|
|
|
struct work_struct hotplug_work;
|
|
bool enable_hotplug_processing;
|
|
struct {
|
|
unsigned long hpd_last_jiffies;
|
|
int hpd_cnt;
|
|
enum {
|
|
HPD_ENABLED = 0,
|
|
HPD_DISABLED = 1,
|
|
HPD_MARK_DISABLED = 2
|
|
} hpd_mark;
|
|
} hpd_stats[HPD_NUM_PINS];
|
|
u32 hpd_event_bits;
|
|
struct timer_list hotplug_reenable_timer;
|
|
|
|
struct i915_fbc fbc;
|
|
struct i915_drrs drrs;
|
|
struct intel_opregion opregion;
|
|
struct intel_vbt_data vbt;
|
|
|
|
/* overlay */
|
|
struct intel_overlay *overlay;
|
|
|
|
/* backlight registers and fields in struct intel_panel */
|
|
spinlock_t backlight_lock;
|
|
|
|
/* LVDS info */
|
|
bool no_aux_handshake;
|
|
|
|
struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
|
|
int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
|
|
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
|
|
|
|
unsigned int fsb_freq, mem_freq, is_ddr3;
|
|
unsigned int vlv_cdclk_freq;
|
|
|
|
/**
|
|
* wq - Driver workqueue for GEM.
|
|
*
|
|
* NOTE: Work items scheduled here are not allowed to grab any modeset
|
|
* locks, for otherwise the flushing done in the pageflip code will
|
|
* result in deadlocks.
|
|
*/
|
|
struct workqueue_struct *wq;
|
|
|
|
/* Display functions */
|
|
struct drm_i915_display_funcs display;
|
|
|
|
/* PCH chipset type */
|
|
enum intel_pch pch_type;
|
|
unsigned short pch_id;
|
|
|
|
unsigned long quirks;
|
|
|
|
enum modeset_restore modeset_restore;
|
|
struct mutex modeset_restore_lock;
|
|
|
|
struct list_head vm_list; /* Global list of all address spaces */
|
|
struct i915_gtt gtt; /* VM representing the global address space */
|
|
|
|
struct i915_gem_mm mm;
|
|
#if defined(CONFIG_MMU_NOTIFIER)
|
|
DECLARE_HASHTABLE(mmu_notifiers, 7);
|
|
#endif
|
|
|
|
/* Kernel Modesetting */
|
|
|
|
struct sdvo_device_mapping sdvo_mappings[2];
|
|
|
|
struct drm_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
|
|
struct drm_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
|
|
wait_queue_head_t pending_flip_queue;
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
struct intel_pipe_crc pipe_crc[I915_MAX_PIPES];
|
|
#endif
|
|
|
|
int num_shared_dpll;
|
|
struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
|
|
struct intel_ddi_plls ddi_plls;
|
|
int dpio_phy_iosf_port[I915_NUM_PHYS_VLV];
|
|
|
|
/* Reclocking support */
|
|
bool render_reclock_avail;
|
|
bool lvds_downclock_avail;
|
|
/* indicates the reduced downclock for LVDS*/
|
|
int lvds_downclock;
|
|
|
|
struct i915_frontbuffer_tracking fb_tracking;
|
|
|
|
u16 orig_clock;
|
|
|
|
bool mchbar_need_disable;
|
|
|
|
struct intel_l3_parity l3_parity;
|
|
|
|
/* Cannot be determined by PCIID. You must always read a register. */
|
|
size_t ellc_size;
|
|
|
|
/* gen6+ rps state */
|
|
struct intel_gen6_power_mgmt rps;
|
|
|
|
/* rps wa up ei calculation */
|
|
struct intel_rps_ei_calc rps_up_ei;
|
|
|
|
/* rps wa down ei calculation */
|
|
struct intel_rps_ei_calc rps_down_ei;
|
|
|
|
|
|
/* ilk-only ips/rps state. Everything in here is protected by the global
|
|
* mchdev_lock in intel_pm.c */
|
|
struct intel_ilk_power_mgmt ips;
|
|
|
|
struct i915_power_domains power_domains;
|
|
|
|
struct i915_psr psr;
|
|
|
|
struct i915_gpu_error gpu_error;
|
|
|
|
struct drm_i915_gem_object *vlv_pctx;
|
|
|
|
#ifdef CONFIG_DRM_I915_FBDEV
|
|
/* list of fbdev register on this device */
|
|
struct intel_fbdev *fbdev;
|
|
#endif
|
|
|
|
/*
|
|
* The console may be contended at resume, but we don't
|
|
* want it to block on it.
|
|
*/
|
|
struct work_struct console_resume_work;
|
|
|
|
struct drm_property *broadcast_rgb_property;
|
|
struct drm_property *force_audio_property;
|
|
|
|
uint32_t hw_context_size;
|
|
struct list_head context_list;
|
|
|
|
u32 fdi_rx_config;
|
|
|
|
u32 suspend_count;
|
|
struct i915_suspend_saved_registers regfile;
|
|
struct vlv_s0ix_state vlv_s0ix_state;
|
|
|
|
struct {
|
|
/*
|
|
* Raw watermark latency values:
|
|
* in 0.1us units for WM0,
|
|
* in 0.5us units for WM1+.
|
|
*/
|
|
/* primary */
|
|
uint16_t pri_latency[5];
|
|
/* sprite */
|
|
uint16_t spr_latency[5];
|
|
/* cursor */
|
|
uint16_t cur_latency[5];
|
|
|
|
/* current hardware state */
|
|
struct ilk_wm_values hw;
|
|
} wm;
|
|
|
|
struct i915_runtime_pm pm;
|
|
|
|
struct intel_digital_port *hpd_irq_port[I915_MAX_PORTS];
|
|
u32 long_hpd_port_mask;
|
|
u32 short_hpd_port_mask;
|
|
struct work_struct dig_port_work;
|
|
|
|
/* Old dri1 support infrastructure, beware the dragons ya fools entering
|
|
* here! */
|
|
struct i915_dri1_state dri1;
|
|
/* Old ums support infrastructure, same warning applies. */
|
|
struct i915_ums_state ums;
|
|
|
|
/*
|
|
* NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
|
|
* will be rejected. Instead look for a better place.
|
|
*/
|
|
};
|
|
|
|
static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
|
|
{
|
|
return dev->dev_private;
|
|
}
|
|
|
|
/* Iterate over initialised rings */
|
|
#define for_each_ring(ring__, dev_priv__, i__) \
|
|
for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \
|
|
if (((ring__) = &(dev_priv__)->ring[(i__)]), intel_ring_initialized((ring__)))
|
|
|
|
enum hdmi_force_audio {
|
|
HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */
|
|
HDMI_AUDIO_OFF, /* force turn off HDMI audio */
|
|
HDMI_AUDIO_AUTO, /* trust EDID */
|
|
HDMI_AUDIO_ON, /* force turn on HDMI audio */
|
|
};
|
|
|
|
#define I915_GTT_OFFSET_NONE ((u32)-1)
|
|
|
|
struct drm_i915_gem_object_ops {
|
|
/* Interface between the GEM object and its backing storage.
|
|
* get_pages() is called once prior to the use of the associated set
|
|
* of pages before to binding them into the GTT, and put_pages() is
|
|
* called after we no longer need them. As we expect there to be
|
|
* associated cost with migrating pages between the backing storage
|
|
* and making them available for the GPU (e.g. clflush), we may hold
|
|
* onto the pages after they are no longer referenced by the GPU
|
|
* in case they may be used again shortly (for example migrating the
|
|
* pages to a different memory domain within the GTT). put_pages()
|
|
* will therefore most likely be called when the object itself is
|
|
* being released or under memory pressure (where we attempt to
|
|
* reap pages for the shrinker).
|
|
*/
|
|
int (*get_pages)(struct drm_i915_gem_object *);
|
|
void (*put_pages)(struct drm_i915_gem_object *);
|
|
int (*dmabuf_export)(struct drm_i915_gem_object *);
|
|
void (*release)(struct drm_i915_gem_object *);
|
|
};
|
|
|
|
/*
|
|
* Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
|
|
* considered to be the frontbuffer for the given plane interface-vise. This
|
|
* doesn't mean that the hw necessarily already scans it out, but that any
|
|
* rendering (by the cpu or gpu) will land in the frontbuffer eventually.
|
|
*
|
|
* We have one bit per pipe and per scanout plane type.
|
|
*/
|
|
#define INTEL_FRONTBUFFER_BITS_PER_PIPE 4
|
|
#define INTEL_FRONTBUFFER_BITS \
|
|
(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES)
|
|
#define INTEL_FRONTBUFFER_PRIMARY(pipe) \
|
|
(1 << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
|
|
#define INTEL_FRONTBUFFER_CURSOR(pipe) \
|
|
(1 << (1 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
|
|
#define INTEL_FRONTBUFFER_SPRITE(pipe) \
|
|
(1 << (2 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
|
|
#define INTEL_FRONTBUFFER_OVERLAY(pipe) \
|
|
(1 << (3 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
|
|
#define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
|
|
(0xf << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
|
|
|
|
struct drm_i915_gem_object {
|
|
struct drm_gem_object base;
|
|
|
|
const struct drm_i915_gem_object_ops *ops;
|
|
|
|
/** List of VMAs backed by this object */
|
|
struct list_head vma_list;
|
|
|
|
/** Stolen memory for this object, instead of being backed by shmem. */
|
|
struct drm_mm_node *stolen;
|
|
struct list_head global_list;
|
|
|
|
struct list_head ring_list;
|
|
/** Used in execbuf to temporarily hold a ref */
|
|
struct list_head obj_exec_link;
|
|
|
|
/**
|
|
* This is set if the object is on the active lists (has pending
|
|
* rendering and so a non-zero seqno), and is not set if it i s on
|
|
* inactive (ready to be unbound) list.
|
|
*/
|
|
unsigned int active:1;
|
|
|
|
/**
|
|
* This is set if the object has been written to since last bound
|
|
* to the GTT
|
|
*/
|
|
unsigned int dirty:1;
|
|
|
|
/**
|
|
* Fence register bits (if any) for this object. Will be set
|
|
* as needed when mapped into the GTT.
|
|
* Protected by dev->struct_mutex.
|
|
*/
|
|
signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
|
|
|
|
/**
|
|
* Advice: are the backing pages purgeable?
|
|
*/
|
|
unsigned int madv:2;
|
|
|
|
/**
|
|
* Current tiling mode for the object.
|
|
*/
|
|
unsigned int tiling_mode:2;
|
|
/**
|
|
* Whether the tiling parameters for the currently associated fence
|
|
* register have changed. Note that for the purposes of tracking
|
|
* tiling changes we also treat the unfenced register, the register
|
|
* slot that the object occupies whilst it executes a fenced
|
|
* command (such as BLT on gen2/3), as a "fence".
|
|
*/
|
|
unsigned int fence_dirty:1;
|
|
|
|
/**
|
|
* Is the object at the current location in the gtt mappable and
|
|
* fenceable? Used to avoid costly recalculations.
|
|
*/
|
|
unsigned int map_and_fenceable:1;
|
|
|
|
/**
|
|
* Whether the current gtt mapping needs to be mappable (and isn't just
|
|
* mappable by accident). Track pin and fault separate for a more
|
|
* accurate mappable working set.
|
|
*/
|
|
unsigned int fault_mappable:1;
|
|
unsigned int pin_mappable:1;
|
|
unsigned int pin_display:1;
|
|
|
|
/*
|
|
* Is the object to be mapped as read-only to the GPU
|
|
* Only honoured if hardware has relevant pte bit
|
|
*/
|
|
unsigned long gt_ro:1;
|
|
|
|
/*
|
|
* Is the GPU currently using a fence to access this buffer,
|
|
*/
|
|
unsigned int pending_fenced_gpu_access:1;
|
|
unsigned int fenced_gpu_access:1;
|
|
|
|
unsigned int cache_level:3;
|
|
|
|
unsigned int has_aliasing_ppgtt_mapping:1;
|
|
unsigned int has_global_gtt_mapping:1;
|
|
unsigned int has_dma_mapping:1;
|
|
|
|
unsigned int frontbuffer_bits:INTEL_FRONTBUFFER_BITS;
|
|
|
|
struct sg_table *pages;
|
|
int pages_pin_count;
|
|
|
|
/* prime dma-buf support */
|
|
void *dma_buf_vmapping;
|
|
int vmapping_count;
|
|
|
|
struct intel_engine_cs *ring;
|
|
|
|
/** Breadcrumb of last rendering to the buffer. */
|
|
uint32_t last_read_seqno;
|
|
uint32_t last_write_seqno;
|
|
/** Breadcrumb of last fenced GPU access to the buffer. */
|
|
uint32_t last_fenced_seqno;
|
|
|
|
/** Current tiling stride for the object, if it's tiled. */
|
|
uint32_t stride;
|
|
|
|
/** References from framebuffers, locks out tiling changes. */
|
|
unsigned long framebuffer_references;
|
|
|
|
/** Record of address bit 17 of each page at last unbind. */
|
|
unsigned long *bit_17;
|
|
|
|
/** User space pin count and filp owning the pin */
|
|
unsigned long user_pin_count;
|
|
struct drm_file *pin_filp;
|
|
|
|
/** for phy allocated objects */
|
|
drm_dma_handle_t *phys_handle;
|
|
|
|
union {
|
|
struct i915_gem_userptr {
|
|
uintptr_t ptr;
|
|
unsigned read_only :1;
|
|
unsigned workers :4;
|
|
#define I915_GEM_USERPTR_MAX_WORKERS 15
|
|
|
|
struct mm_struct *mm;
|
|
struct i915_mmu_object *mn;
|
|
struct work_struct *work;
|
|
} userptr;
|
|
};
|
|
};
|
|
#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
|
|
|
|
void i915_gem_track_fb(struct drm_i915_gem_object *old,
|
|
struct drm_i915_gem_object *new,
|
|
unsigned frontbuffer_bits);
|
|
|
|
/**
|
|
* Request queue structure.
|
|
*
|
|
* The request queue allows us to note sequence numbers that have been emitted
|
|
* and may be associated with active buffers to be retired.
|
|
*
|
|
* By keeping this list, we can avoid having to do questionable
|
|
* sequence-number comparisons on buffer last_rendering_seqnos, and associate
|
|
* an emission time with seqnos for tracking how far ahead of the GPU we are.
|
|
*/
|
|
struct drm_i915_gem_request {
|
|
/** On Which ring this request was generated */
|
|
struct intel_engine_cs *ring;
|
|
|
|
/** GEM sequence number associated with this request. */
|
|
uint32_t seqno;
|
|
|
|
/** Position in the ringbuffer of the start of the request */
|
|
u32 head;
|
|
|
|
/** Position in the ringbuffer of the end of the request */
|
|
u32 tail;
|
|
|
|
/** Context related to this request */
|
|
struct intel_context *ctx;
|
|
|
|
/** Batch buffer related to this request if any */
|
|
struct drm_i915_gem_object *batch_obj;
|
|
|
|
/** Time at which this request was emitted, in jiffies. */
|
|
unsigned long emitted_jiffies;
|
|
|
|
/** global list entry for this request */
|
|
struct list_head list;
|
|
|
|
struct drm_i915_file_private *file_priv;
|
|
/** file_priv list entry for this request */
|
|
struct list_head client_list;
|
|
};
|
|
|
|
struct drm_i915_file_private {
|
|
struct drm_i915_private *dev_priv;
|
|
struct drm_file *file;
|
|
|
|
struct {
|
|
spinlock_t lock;
|
|
struct list_head request_list;
|
|
struct delayed_work idle_work;
|
|
} mm;
|
|
struct idr context_idr;
|
|
|
|
atomic_t rps_wait_boost;
|
|
struct intel_engine_cs *bsd_ring;
|
|
};
|
|
|
|
/*
|
|
* A command that requires special handling by the command parser.
|
|
*/
|
|
struct drm_i915_cmd_descriptor {
|
|
/*
|
|
* Flags describing how the command parser processes the command.
|
|
*
|
|
* CMD_DESC_FIXED: The command has a fixed length if this is set,
|
|
* a length mask if not set
|
|
* CMD_DESC_SKIP: The command is allowed but does not follow the
|
|
* standard length encoding for the opcode range in
|
|
* which it falls
|
|
* CMD_DESC_REJECT: The command is never allowed
|
|
* CMD_DESC_REGISTER: The command should be checked against the
|
|
* register whitelist for the appropriate ring
|
|
* CMD_DESC_MASTER: The command is allowed if the submitting process
|
|
* is the DRM master
|
|
*/
|
|
u32 flags;
|
|
#define CMD_DESC_FIXED (1<<0)
|
|
#define CMD_DESC_SKIP (1<<1)
|
|
#define CMD_DESC_REJECT (1<<2)
|
|
#define CMD_DESC_REGISTER (1<<3)
|
|
#define CMD_DESC_BITMASK (1<<4)
|
|
#define CMD_DESC_MASTER (1<<5)
|
|
|
|
/*
|
|
* The command's unique identification bits and the bitmask to get them.
|
|
* This isn't strictly the opcode field as defined in the spec and may
|
|
* also include type, subtype, and/or subop fields.
|
|
*/
|
|
struct {
|
|
u32 value;
|
|
u32 mask;
|
|
} cmd;
|
|
|
|
/*
|
|
* The command's length. The command is either fixed length (i.e. does
|
|
* not include a length field) or has a length field mask. The flag
|
|
* CMD_DESC_FIXED indicates a fixed length. Otherwise, the command has
|
|
* a length mask. All command entries in a command table must include
|
|
* length information.
|
|
*/
|
|
union {
|
|
u32 fixed;
|
|
u32 mask;
|
|
} length;
|
|
|
|
/*
|
|
* Describes where to find a register address in the command to check
|
|
* against the ring's register whitelist. Only valid if flags has the
|
|
* CMD_DESC_REGISTER bit set.
|
|
*/
|
|
struct {
|
|
u32 offset;
|
|
u32 mask;
|
|
} reg;
|
|
|
|
#define MAX_CMD_DESC_BITMASKS 3
|
|
/*
|
|
* Describes command checks where a particular dword is masked and
|
|
* compared against an expected value. If the command does not match
|
|
* the expected value, the parser rejects it. Only valid if flags has
|
|
* the CMD_DESC_BITMASK bit set. Only entries where mask is non-zero
|
|
* are valid.
|
|
*
|
|
* If the check specifies a non-zero condition_mask then the parser
|
|
* only performs the check when the bits specified by condition_mask
|
|
* are non-zero.
|
|
*/
|
|
struct {
|
|
u32 offset;
|
|
u32 mask;
|
|
u32 expected;
|
|
u32 condition_offset;
|
|
u32 condition_mask;
|
|
} bits[MAX_CMD_DESC_BITMASKS];
|
|
};
|
|
|
|
/*
|
|
* A table of commands requiring special handling by the command parser.
|
|
*
|
|
* Each ring has an array of tables. Each table consists of an array of command
|
|
* descriptors, which must be sorted with command opcodes in ascending order.
|
|
*/
|
|
struct drm_i915_cmd_table {
|
|
const struct drm_i915_cmd_descriptor *table;
|
|
int count;
|
|
};
|
|
|
|
#define INTEL_INFO(dev) (&to_i915(dev)->info)
|
|
|
|
#define IS_I830(dev) ((dev)->pdev->device == 0x3577)
|
|
#define IS_845G(dev) ((dev)->pdev->device == 0x2562)
|
|
#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
|
|
#define IS_I865G(dev) ((dev)->pdev->device == 0x2572)
|
|
#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
|
|
#define IS_I915GM(dev) ((dev)->pdev->device == 0x2592)
|
|
#define IS_I945G(dev) ((dev)->pdev->device == 0x2772)
|
|
#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
|
|
#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
|
|
#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
|
|
#define IS_GM45(dev) ((dev)->pdev->device == 0x2A42)
|
|
#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
|
|
#define IS_PINEVIEW_G(dev) ((dev)->pdev->device == 0xa001)
|
|
#define IS_PINEVIEW_M(dev) ((dev)->pdev->device == 0xa011)
|
|
#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
|
|
#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
|
|
#define IS_IRONLAKE_M(dev) ((dev)->pdev->device == 0x0046)
|
|
#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
|
|
#define IS_IVB_GT1(dev) ((dev)->pdev->device == 0x0156 || \
|
|
(dev)->pdev->device == 0x0152 || \
|
|
(dev)->pdev->device == 0x015a)
|
|
#define IS_SNB_GT1(dev) ((dev)->pdev->device == 0x0102 || \
|
|
(dev)->pdev->device == 0x0106 || \
|
|
(dev)->pdev->device == 0x010A)
|
|
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
|
|
#define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
|
|
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
|
|
#define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
|
|
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
|
|
#define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
|
|
((dev)->pdev->device & 0xFF00) == 0x0C00)
|
|
#define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
|
|
(((dev)->pdev->device & 0xf) == 0x2 || \
|
|
((dev)->pdev->device & 0xf) == 0x6 || \
|
|
((dev)->pdev->device & 0xf) == 0xe))
|
|
#define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
|
|
((dev)->pdev->device & 0xFF00) == 0x0A00)
|
|
#define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
|
|
#define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
|
|
((dev)->pdev->device & 0x00F0) == 0x0020)
|
|
/* ULX machines are also considered ULT. */
|
|
#define IS_HSW_ULX(dev) ((dev)->pdev->device == 0x0A0E || \
|
|
(dev)->pdev->device == 0x0A1E)
|
|
#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
|
|
|
|
/*
|
|
* The genX designation typically refers to the render engine, so render
|
|
* capability related checks should use IS_GEN, while display and other checks
|
|
* have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
|
|
* chips, etc.).
|
|
*/
|
|
#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
|
|
#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
|
|
#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
|
|
#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
|
|
#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
|
|
#define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
|
|
#define IS_GEN8(dev) (INTEL_INFO(dev)->gen == 8)
|
|
|
|
#define RENDER_RING (1<<RCS)
|
|
#define BSD_RING (1<<VCS)
|
|
#define BLT_RING (1<<BCS)
|
|
#define VEBOX_RING (1<<VECS)
|
|
#define BSD2_RING (1<<VCS2)
|
|
#define HAS_BSD(dev) (INTEL_INFO(dev)->ring_mask & BSD_RING)
|
|
#define HAS_BSD2(dev) (INTEL_INFO(dev)->ring_mask & BSD2_RING)
|
|
#define HAS_BLT(dev) (INTEL_INFO(dev)->ring_mask & BLT_RING)
|
|
#define HAS_VEBOX(dev) (INTEL_INFO(dev)->ring_mask & VEBOX_RING)
|
|
#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
|
|
#define HAS_WT(dev) ((IS_HASWELL(dev) || IS_BROADWELL(dev)) && \
|
|
to_i915(dev)->ellc_size)
|
|
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
|
|
|
|
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
|
|
#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6)
|
|
#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev))
|
|
#define USES_PPGTT(dev) intel_enable_ppgtt(dev, false)
|
|
#define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true)
|
|
|
|
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
|
|
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
|
|
|
|
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
|
|
#define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
|
|
/*
|
|
* dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
|
|
* even when in MSI mode. This results in spurious interrupt warnings if the
|
|
* legacy irq no. is shared with another device. The kernel then disables that
|
|
* interrupt source and so prevents the other device from working properly.
|
|
*/
|
|
#define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
|
|
#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
|
|
|
|
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
|
|
* rows, which changed the alignment requirements and fence programming.
|
|
*/
|
|
#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
|
|
IS_I915GM(dev)))
|
|
#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
|
|
#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
|
|
#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
|
|
#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
|
|
#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
|
|
|
|
#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
|
|
#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
|
|
#define HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
|
|
|
|
#define HAS_IPS(dev) (IS_ULT(dev) || IS_BROADWELL(dev))
|
|
|
|
#define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi)
|
|
#define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
|
|
#define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev))
|
|
#define HAS_RUNTIME_PM(dev) (IS_GEN6(dev) || IS_HASWELL(dev) || \
|
|
IS_BROADWELL(dev) || IS_VALLEYVIEW(dev))
|
|
|
|
#define INTEL_PCH_DEVICE_ID_MASK 0xff00
|
|
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
|
|
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
|
|
#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
|
|
#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
|
|
#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
|
|
|
|
#define INTEL_PCH_TYPE(dev) (to_i915(dev)->pch_type)
|
|
#define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
|
|
#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
|
|
#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
|
|
#define HAS_PCH_NOP(dev) (INTEL_PCH_TYPE(dev) == PCH_NOP)
|
|
#define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
|
|
|
|
/* DPF == dynamic parity feature */
|
|
#define HAS_L3_DPF(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
|
|
#define NUM_L3_SLICES(dev) (IS_HSW_GT3(dev) ? 2 : HAS_L3_DPF(dev))
|
|
|
|
#define GT_FREQUENCY_MULTIPLIER 50
|
|
|
|
#include "i915_trace.h"
|
|
|
|
extern const struct drm_ioctl_desc i915_ioctls[];
|
|
extern int i915_max_ioctl;
|
|
|
|
extern int i915_suspend(struct drm_device *dev, pm_message_t state);
|
|
extern int i915_resume(struct drm_device *dev);
|
|
extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
|
|
extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
|
|
|
|
/* i915_params.c */
|
|
struct i915_params {
|
|
int modeset;
|
|
int panel_ignore_lid;
|
|
unsigned int powersave;
|
|
int semaphores;
|
|
unsigned int lvds_downclock;
|
|
int lvds_channel_mode;
|
|
int panel_use_ssc;
|
|
int vbt_sdvo_panel_type;
|
|
int enable_rc6;
|
|
int enable_fbc;
|
|
int enable_ppgtt;
|
|
int enable_psr;
|
|
unsigned int preliminary_hw_support;
|
|
int disable_power_well;
|
|
int enable_ips;
|
|
int invert_brightness;
|
|
int enable_cmd_parser;
|
|
/* leave bools at the end to not create holes */
|
|
bool enable_hangcheck;
|
|
bool fastboot;
|
|
bool prefault_disable;
|
|
bool reset;
|
|
bool disable_display;
|
|
bool disable_vtd_wa;
|
|
int use_mmio_flip;
|
|
};
|
|
extern struct i915_params i915 __read_mostly;
|
|
|
|
/* i915_dma.c */
|
|
void i915_update_dri1_breadcrumb(struct drm_device *dev);
|
|
extern void i915_kernel_lost_context(struct drm_device * dev);
|
|
extern int i915_driver_load(struct drm_device *, unsigned long flags);
|
|
extern int i915_driver_unload(struct drm_device *);
|
|
extern int i915_driver_open(struct drm_device *dev, struct drm_file *file);
|
|
extern void i915_driver_lastclose(struct drm_device * dev);
|
|
extern void i915_driver_preclose(struct drm_device *dev,
|
|
struct drm_file *file);
|
|
extern void i915_driver_postclose(struct drm_device *dev,
|
|
struct drm_file *file);
|
|
extern int i915_driver_device_is_agp(struct drm_device * dev);
|
|
#ifdef CONFIG_COMPAT
|
|
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg);
|
|
#endif
|
|
extern int i915_emit_box(struct drm_device *dev,
|
|
struct drm_clip_rect *box,
|
|
int DR1, int DR4);
|
|
extern int intel_gpu_reset(struct drm_device *dev);
|
|
extern int i915_reset(struct drm_device *dev);
|
|
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
|
|
extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
|
|
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
|
|
|
|
extern void intel_console_resume(struct work_struct *work);
|
|
|
|
/* i915_irq.c */
|
|
void i915_queue_hangcheck(struct drm_device *dev);
|
|
__printf(3, 4)
|
|
void i915_handle_error(struct drm_device *dev, bool wedged,
|
|
const char *fmt, ...);
|
|
|
|
void gen6_set_pm_mask(struct drm_i915_private *dev_priv, u32 pm_iir,
|
|
int new_delay);
|
|
extern void intel_irq_init(struct drm_device *dev);
|
|
extern void intel_hpd_init(struct drm_device *dev);
|
|
|
|
extern void intel_uncore_sanitize(struct drm_device *dev);
|
|
extern void intel_uncore_early_sanitize(struct drm_device *dev,
|
|
bool restore_forcewake);
|
|
extern void intel_uncore_init(struct drm_device *dev);
|
|
extern void intel_uncore_check_errors(struct drm_device *dev);
|
|
extern void intel_uncore_fini(struct drm_device *dev);
|
|
extern void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore);
|
|
|
|
void
|
|
i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
|
|
u32 status_mask);
|
|
|
|
void
|
|
i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
|
|
u32 status_mask);
|
|
|
|
void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv);
|
|
void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv);
|
|
|
|
/* i915_gem.c */
|
|
int i915_gem_init_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_create_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer2(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_tiling(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_tiling(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_init_userptr(struct drm_device *dev);
|
|
int i915_gem_userptr_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_wait_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void i915_gem_load(struct drm_device *dev);
|
|
void *i915_gem_object_alloc(struct drm_device *dev);
|
|
void i915_gem_object_free(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_init(struct drm_i915_gem_object *obj,
|
|
const struct drm_i915_gem_object_ops *ops);
|
|
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
|
|
size_t size);
|
|
void i915_init_vm(struct drm_i915_private *dev_priv,
|
|
struct i915_address_space *vm);
|
|
void i915_gem_free_object(struct drm_gem_object *obj);
|
|
void i915_gem_vma_destroy(struct i915_vma *vma);
|
|
|
|
#define PIN_MAPPABLE 0x1
|
|
#define PIN_NONBLOCK 0x2
|
|
#define PIN_GLOBAL 0x4
|
|
#define PIN_OFFSET_BIAS 0x8
|
|
#define PIN_OFFSET_MASK (~4095)
|
|
int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
|
|
struct i915_address_space *vm,
|
|
uint32_t alignment,
|
|
uint64_t flags);
|
|
int __must_check i915_vma_unbind(struct i915_vma *vma);
|
|
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
|
|
void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
|
|
void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
|
|
void i915_gem_lastclose(struct drm_device *dev);
|
|
|
|
int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object *obj,
|
|
int *needs_clflush);
|
|
|
|
int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
|
|
static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
|
|
{
|
|
struct sg_page_iter sg_iter;
|
|
|
|
for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, n)
|
|
return sg_page_iter_page(&sg_iter);
|
|
|
|
return NULL;
|
|
}
|
|
static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
BUG_ON(obj->pages == NULL);
|
|
obj->pages_pin_count++;
|
|
}
|
|
static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
BUG_ON(obj->pages_pin_count == 0);
|
|
obj->pages_pin_count--;
|
|
}
|
|
|
|
int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
|
|
int i915_gem_object_sync(struct drm_i915_gem_object *obj,
|
|
struct intel_engine_cs *to);
|
|
void i915_vma_move_to_active(struct i915_vma *vma,
|
|
struct intel_engine_cs *ring);
|
|
int i915_gem_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev,
|
|
uint32_t handle, uint64_t *offset);
|
|
/**
|
|
* Returns true if seq1 is later than seq2.
|
|
*/
|
|
static inline bool
|
|
i915_seqno_passed(uint32_t seq1, uint32_t seq2)
|
|
{
|
|
return (int32_t)(seq1 - seq2) >= 0;
|
|
}
|
|
|
|
int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
|
|
int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
|
|
int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
|
|
|
|
bool i915_gem_object_pin_fence(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj);
|
|
|
|
struct drm_i915_gem_request *
|
|
i915_gem_find_active_request(struct intel_engine_cs *ring);
|
|
|
|
bool i915_gem_retire_requests(struct drm_device *dev);
|
|
void i915_gem_retire_requests_ring(struct intel_engine_cs *ring);
|
|
int __must_check i915_gem_check_wedge(struct i915_gpu_error *error,
|
|
bool interruptible);
|
|
int __must_check i915_gem_check_olr(struct intel_engine_cs *ring, u32 seqno);
|
|
|
|
static inline bool i915_reset_in_progress(struct i915_gpu_error *error)
|
|
{
|
|
return unlikely(atomic_read(&error->reset_counter)
|
|
& (I915_RESET_IN_PROGRESS_FLAG | I915_WEDGED));
|
|
}
|
|
|
|
static inline bool i915_terminally_wedged(struct i915_gpu_error *error)
|
|
{
|
|
return atomic_read(&error->reset_counter) & I915_WEDGED;
|
|
}
|
|
|
|
static inline u32 i915_reset_count(struct i915_gpu_error *error)
|
|
{
|
|
return ((atomic_read(&error->reset_counter) & ~I915_WEDGED) + 1) / 2;
|
|
}
|
|
|
|
static inline bool i915_stop_ring_allow_ban(struct drm_i915_private *dev_priv)
|
|
{
|
|
return dev_priv->gpu_error.stop_rings == 0 ||
|
|
dev_priv->gpu_error.stop_rings & I915_STOP_RING_ALLOW_BAN;
|
|
}
|
|
|
|
static inline bool i915_stop_ring_allow_warn(struct drm_i915_private *dev_priv)
|
|
{
|
|
return dev_priv->gpu_error.stop_rings == 0 ||
|
|
dev_priv->gpu_error.stop_rings & I915_STOP_RING_ALLOW_WARN;
|
|
}
|
|
|
|
void i915_gem_reset(struct drm_device *dev);
|
|
bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
|
|
int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_init(struct drm_device *dev);
|
|
int __must_check i915_gem_init_hw(struct drm_device *dev);
|
|
int i915_gem_l3_remap(struct intel_engine_cs *ring, int slice);
|
|
void i915_gem_init_swizzling(struct drm_device *dev);
|
|
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
|
|
int __must_check i915_gpu_idle(struct drm_device *dev);
|
|
int __must_check i915_gem_suspend(struct drm_device *dev);
|
|
int __i915_add_request(struct intel_engine_cs *ring,
|
|
struct drm_file *file,
|
|
struct drm_i915_gem_object *batch_obj,
|
|
u32 *seqno);
|
|
#define i915_add_request(ring, seqno) \
|
|
__i915_add_request(ring, NULL, NULL, seqno)
|
|
int __must_check i915_wait_seqno(struct intel_engine_cs *ring,
|
|
uint32_t seqno);
|
|
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
|
|
int __must_check
|
|
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
|
|
bool write);
|
|
int __must_check
|
|
i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write);
|
|
int __must_check
|
|
i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
|
|
u32 alignment,
|
|
struct intel_engine_cs *pipelined);
|
|
void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj);
|
|
int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
|
|
int align);
|
|
int i915_gem_open(struct drm_device *dev, struct drm_file *file);
|
|
void i915_gem_release(struct drm_device *dev, struct drm_file *file);
|
|
|
|
uint32_t
|
|
i915_gem_get_gtt_size(struct drm_device *dev, uint32_t size, int tiling_mode);
|
|
uint32_t
|
|
i915_gem_get_gtt_alignment(struct drm_device *dev, uint32_t size,
|
|
int tiling_mode, bool fenced);
|
|
|
|
int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
|
|
enum i915_cache_level cache_level);
|
|
|
|
struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
|
|
struct dma_buf *dma_buf);
|
|
|
|
struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
|
|
struct drm_gem_object *gem_obj, int flags);
|
|
|
|
void i915_gem_restore_fences(struct drm_device *dev);
|
|
|
|
unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
|
|
struct i915_address_space *vm);
|
|
bool i915_gem_obj_bound_any(struct drm_i915_gem_object *o);
|
|
bool i915_gem_obj_bound(struct drm_i915_gem_object *o,
|
|
struct i915_address_space *vm);
|
|
unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
|
|
struct i915_address_space *vm);
|
|
struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
|
|
struct i915_address_space *vm);
|
|
struct i915_vma *
|
|
i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
|
|
struct i915_address_space *vm);
|
|
|
|
struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
|
|
static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
|
|
struct i915_vma *vma;
|
|
list_for_each_entry(vma, &obj->vma_list, vma_link)
|
|
if (vma->pin_count > 0)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/* Some GGTT VM helpers */
|
|
#define obj_to_ggtt(obj) \
|
|
(&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
|
|
static inline bool i915_is_ggtt(struct i915_address_space *vm)
|
|
{
|
|
struct i915_address_space *ggtt =
|
|
&((struct drm_i915_private *)(vm)->dev->dev_private)->gtt.base;
|
|
return vm == ggtt;
|
|
}
|
|
|
|
static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object *obj)
|
|
{
|
|
return i915_gem_obj_bound(obj, obj_to_ggtt(obj));
|
|
}
|
|
|
|
static inline unsigned long
|
|
i915_gem_obj_ggtt_offset(struct drm_i915_gem_object *obj)
|
|
{
|
|
return i915_gem_obj_offset(obj, obj_to_ggtt(obj));
|
|
}
|
|
|
|
static inline unsigned long
|
|
i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
|
|
{
|
|
return i915_gem_obj_size(obj, obj_to_ggtt(obj));
|
|
}
|
|
|
|
static inline int __must_check
|
|
i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
|
|
uint32_t alignment,
|
|
unsigned flags)
|
|
{
|
|
return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
|
|
}
|
|
|
|
static inline int
|
|
i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
|
|
{
|
|
return i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
|
|
}
|
|
|
|
void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
|
|
|
|
/* i915_gem_context.c */
|
|
#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
|
|
int __must_check i915_gem_context_init(struct drm_device *dev);
|
|
void i915_gem_context_fini(struct drm_device *dev);
|
|
void i915_gem_context_reset(struct drm_device *dev);
|
|
int i915_gem_context_open(struct drm_device *dev, struct drm_file *file);
|
|
int i915_gem_context_enable(struct drm_i915_private *dev_priv);
|
|
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
|
|
int i915_switch_context(struct intel_engine_cs *ring,
|
|
struct intel_context *to);
|
|
struct intel_context *
|
|
i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
|
|
void i915_gem_context_free(struct kref *ctx_ref);
|
|
static inline void i915_gem_context_reference(struct intel_context *ctx)
|
|
{
|
|
kref_get(&ctx->ref);
|
|
}
|
|
|
|
static inline void i915_gem_context_unreference(struct intel_context *ctx)
|
|
{
|
|
kref_put(&ctx->ref, i915_gem_context_free);
|
|
}
|
|
|
|
static inline bool i915_gem_context_is_default(const struct intel_context *c)
|
|
{
|
|
return c->user_handle == DEFAULT_CONTEXT_HANDLE;
|
|
}
|
|
|
|
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
|
|
/* i915_gem_render_state.c */
|
|
int i915_gem_render_state_init(struct intel_engine_cs *ring);
|
|
/* i915_gem_evict.c */
|
|
int __must_check i915_gem_evict_something(struct drm_device *dev,
|
|
struct i915_address_space *vm,
|
|
int min_size,
|
|
unsigned alignment,
|
|
unsigned cache_level,
|
|
unsigned long start,
|
|
unsigned long end,
|
|
unsigned flags);
|
|
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
|
|
int i915_gem_evict_everything(struct drm_device *dev);
|
|
|
|
/* belongs in i915_gem_gtt.h */
|
|
static inline void i915_gem_chipset_flush(struct drm_device *dev)
|
|
{
|
|
if (INTEL_INFO(dev)->gen < 6)
|
|
intel_gtt_chipset_flush();
|
|
}
|
|
|
|
/* i915_gem_stolen.c */
|
|
int i915_gem_init_stolen(struct drm_device *dev);
|
|
int i915_gem_stolen_setup_compression(struct drm_device *dev, int size, int fb_cpp);
|
|
void i915_gem_stolen_cleanup_compression(struct drm_device *dev);
|
|
void i915_gem_cleanup_stolen(struct drm_device *dev);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_stolen(struct drm_device *dev, u32 size);
|
|
struct drm_i915_gem_object *
|
|
i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
|
|
u32 stolen_offset,
|
|
u32 gtt_offset,
|
|
u32 size);
|
|
|
|
/* i915_gem_tiling.c */
|
|
static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
|
|
{
|
|
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
|
|
|
|
return dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
|
|
obj->tiling_mode != I915_TILING_NONE;
|
|
}
|
|
|
|
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
|
|
void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj);
|
|
|
|
/* i915_gem_debug.c */
|
|
#if WATCH_LISTS
|
|
int i915_verify_lists(struct drm_device *dev);
|
|
#else
|
|
#define i915_verify_lists(dev) 0
|
|
#endif
|
|
|
|
/* i915_debugfs.c */
|
|
int i915_debugfs_init(struct drm_minor *minor);
|
|
void i915_debugfs_cleanup(struct drm_minor *minor);
|
|
#ifdef CONFIG_DEBUG_FS
|
|
void intel_display_crc_init(struct drm_device *dev);
|
|
#else
|
|
static inline void intel_display_crc_init(struct drm_device *dev) {}
|
|
#endif
|
|
|
|
/* i915_gpu_error.c */
|
|
__printf(2, 3)
|
|
void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
|
|
int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
|
|
const struct i915_error_state_file_priv *error);
|
|
int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
|
|
size_t count, loff_t pos);
|
|
static inline void i915_error_state_buf_release(
|
|
struct drm_i915_error_state_buf *eb)
|
|
{
|
|
kfree(eb->buf);
|
|
}
|
|
void i915_capture_error_state(struct drm_device *dev, bool wedge,
|
|
const char *error_msg);
|
|
void i915_error_state_get(struct drm_device *dev,
|
|
struct i915_error_state_file_priv *error_priv);
|
|
void i915_error_state_put(struct i915_error_state_file_priv *error_priv);
|
|
void i915_destroy_error_state(struct drm_device *dev);
|
|
|
|
void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone);
|
|
const char *i915_cache_level_str(int type);
|
|
|
|
/* i915_cmd_parser.c */
|
|
int i915_cmd_parser_get_version(void);
|
|
int i915_cmd_parser_init_ring(struct intel_engine_cs *ring);
|
|
void i915_cmd_parser_fini_ring(struct intel_engine_cs *ring);
|
|
bool i915_needs_cmd_parser(struct intel_engine_cs *ring);
|
|
int i915_parse_cmds(struct intel_engine_cs *ring,
|
|
struct drm_i915_gem_object *batch_obj,
|
|
u32 batch_start_offset,
|
|
bool is_master);
|
|
|
|
/* i915_suspend.c */
|
|
extern int i915_save_state(struct drm_device *dev);
|
|
extern int i915_restore_state(struct drm_device *dev);
|
|
|
|
/* i915_ums.c */
|
|
void i915_save_display_reg(struct drm_device *dev);
|
|
void i915_restore_display_reg(struct drm_device *dev);
|
|
|
|
/* i915_sysfs.c */
|
|
void i915_setup_sysfs(struct drm_device *dev_priv);
|
|
void i915_teardown_sysfs(struct drm_device *dev_priv);
|
|
|
|
/* intel_i2c.c */
|
|
extern int intel_setup_gmbus(struct drm_device *dev);
|
|
extern void intel_teardown_gmbus(struct drm_device *dev);
|
|
static inline bool intel_gmbus_is_port_valid(unsigned port)
|
|
{
|
|
return (port >= GMBUS_PORT_SSC && port <= GMBUS_PORT_DPD);
|
|
}
|
|
|
|
extern struct i2c_adapter *intel_gmbus_get_adapter(
|
|
struct drm_i915_private *dev_priv, unsigned port);
|
|
extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
|
|
extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
|
|
static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
|
|
{
|
|
return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
|
|
}
|
|
extern void intel_i2c_reset(struct drm_device *dev);
|
|
|
|
/* intel_opregion.c */
|
|
struct intel_encoder;
|
|
#ifdef CONFIG_ACPI
|
|
extern int intel_opregion_setup(struct drm_device *dev);
|
|
extern void intel_opregion_init(struct drm_device *dev);
|
|
extern void intel_opregion_fini(struct drm_device *dev);
|
|
extern void intel_opregion_asle_intr(struct drm_device *dev);
|
|
extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
|
|
bool enable);
|
|
extern int intel_opregion_notify_adapter(struct drm_device *dev,
|
|
pci_power_t state);
|
|
#else
|
|
static inline int intel_opregion_setup(struct drm_device *dev) { return 0; }
|
|
static inline void intel_opregion_init(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_fini(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }
|
|
static inline int
|
|
intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int
|
|
intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* intel_acpi.c */
|
|
#ifdef CONFIG_ACPI
|
|
extern void intel_register_dsm_handler(void);
|
|
extern void intel_unregister_dsm_handler(void);
|
|
#else
|
|
static inline void intel_register_dsm_handler(void) { return; }
|
|
static inline void intel_unregister_dsm_handler(void) { return; }
|
|
#endif /* CONFIG_ACPI */
|
|
|
|
/* modesetting */
|
|
extern void intel_modeset_init_hw(struct drm_device *dev);
|
|
extern void intel_modeset_suspend_hw(struct drm_device *dev);
|
|
extern void intel_modeset_init(struct drm_device *dev);
|
|
extern void intel_modeset_gem_init(struct drm_device *dev);
|
|
extern void intel_modeset_cleanup(struct drm_device *dev);
|
|
extern void intel_connector_unregister(struct intel_connector *);
|
|
extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
|
|
extern void intel_modeset_setup_hw_state(struct drm_device *dev,
|
|
bool force_restore);
|
|
extern void i915_redisable_vga(struct drm_device *dev);
|
|
extern void i915_redisable_vga_power_on(struct drm_device *dev);
|
|
extern bool intel_fbc_enabled(struct drm_device *dev);
|
|
extern void intel_disable_fbc(struct drm_device *dev);
|
|
extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
|
|
extern void intel_init_pch_refclk(struct drm_device *dev);
|
|
extern void gen6_set_rps(struct drm_device *dev, u8 val);
|
|
extern void valleyview_set_rps(struct drm_device *dev, u8 val);
|
|
extern int valleyview_rps_max_freq(struct drm_i915_private *dev_priv);
|
|
extern int valleyview_rps_min_freq(struct drm_i915_private *dev_priv);
|
|
extern void intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
|
|
bool enable);
|
|
extern void intel_detect_pch(struct drm_device *dev);
|
|
extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
|
|
extern int intel_enable_rc6(const struct drm_device *dev);
|
|
|
|
extern bool i915_semaphore_is_enabled(struct drm_device *dev);
|
|
int i915_reg_read_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_get_reset_stats_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
|
|
void intel_notify_mmio_flip(struct intel_engine_cs *ring);
|
|
|
|
/* overlay */
|
|
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
|
|
extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
|
|
struct intel_overlay_error_state *error);
|
|
|
|
extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
|
|
extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
|
|
struct drm_device *dev,
|
|
struct intel_display_error_state *error);
|
|
|
|
/* On SNB platform, before reading ring registers forcewake bit
|
|
* must be set to prevent GT core from power down and stale values being
|
|
* returned.
|
|
*/
|
|
void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv, int fw_engine);
|
|
void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine);
|
|
void assert_force_wake_inactive(struct drm_i915_private *dev_priv);
|
|
|
|
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val);
|
|
int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val);
|
|
|
|
/* intel_sideband.c */
|
|
u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr);
|
|
void vlv_punit_write(struct drm_i915_private *dev_priv, u8 addr, u32 val);
|
|
u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr);
|
|
u32 vlv_gpio_nc_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_gpio_nc_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_cck_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_cck_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_ccu_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_ccu_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_bunit_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_bunit_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_gps_core_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_gps_core_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
u32 vlv_dpio_read(struct drm_i915_private *dev_priv, enum pipe pipe, int reg);
|
|
void vlv_dpio_write(struct drm_i915_private *dev_priv, enum pipe pipe, int reg, u32 val);
|
|
u32 intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
|
|
enum intel_sbi_destination destination);
|
|
void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
|
|
enum intel_sbi_destination destination);
|
|
u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
|
|
void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
|
|
|
|
int vlv_gpu_freq(struct drm_i915_private *dev_priv, int val);
|
|
int vlv_freq_opcode(struct drm_i915_private *dev_priv, int val);
|
|
|
|
#define FORCEWAKE_RENDER (1 << 0)
|
|
#define FORCEWAKE_MEDIA (1 << 1)
|
|
#define FORCEWAKE_ALL (FORCEWAKE_RENDER | FORCEWAKE_MEDIA)
|
|
|
|
|
|
#define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
|
|
#define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
|
|
|
|
#define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true)
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|
#define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true)
|
|
#define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false)
|
|
#define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false)
|
|
|
|
#define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
|
|
#define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
|
|
#define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false)
|
|
#define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false)
|
|
|
|
/* Be very careful with read/write 64-bit values. On 32-bit machines, they
|
|
* will be implemented using 2 32-bit writes in an arbitrary order with
|
|
* an arbitrary delay between them. This can cause the hardware to
|
|
* act upon the intermediate value, possibly leading to corruption and
|
|
* machine death. You have been warned.
|
|
*/
|
|
#define I915_WRITE64(reg, val) dev_priv->uncore.funcs.mmio_writeq(dev_priv, (reg), (val), true)
|
|
#define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
|
|
|
|
#define I915_READ64_2x32(lower_reg, upper_reg) ({ \
|
|
u32 upper = I915_READ(upper_reg); \
|
|
u32 lower = I915_READ(lower_reg); \
|
|
u32 tmp = I915_READ(upper_reg); \
|
|
if (upper != tmp) { \
|
|
upper = tmp; \
|
|
lower = I915_READ(lower_reg); \
|
|
WARN_ON(I915_READ(upper_reg) != upper); \
|
|
} \
|
|
(u64)upper << 32 | lower; })
|
|
|
|
#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
|
|
#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
|
|
|
|
/* "Broadcast RGB" property */
|
|
#define INTEL_BROADCAST_RGB_AUTO 0
|
|
#define INTEL_BROADCAST_RGB_FULL 1
|
|
#define INTEL_BROADCAST_RGB_LIMITED 2
|
|
|
|
static inline uint32_t i915_vgacntrl_reg(struct drm_device *dev)
|
|
{
|
|
if (HAS_PCH_SPLIT(dev))
|
|
return CPU_VGACNTRL;
|
|
else if (IS_VALLEYVIEW(dev))
|
|
return VLV_VGACNTRL;
|
|
else
|
|
return VGACNTRL;
|
|
}
|
|
|
|
static inline void __user *to_user_ptr(u64 address)
|
|
{
|
|
return (void __user *)(uintptr_t)address;
|
|
}
|
|
|
|
static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m)
|
|
{
|
|
unsigned long j = msecs_to_jiffies(m);
|
|
|
|
return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1);
|
|
}
|
|
|
|
static inline unsigned long
|
|
timespec_to_jiffies_timeout(const struct timespec *value)
|
|
{
|
|
unsigned long j = timespec_to_jiffies(value);
|
|
|
|
return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1);
|
|
}
|
|
|
|
/*
|
|
* If you need to wait X milliseconds between events A and B, but event B
|
|
* doesn't happen exactly after event A, you record the timestamp (jiffies) of
|
|
* when event A happened, then just before event B you call this function and
|
|
* pass the timestamp as the first argument, and X as the second argument.
|
|
*/
|
|
static inline void
|
|
wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms)
|
|
{
|
|
unsigned long target_jiffies, tmp_jiffies, remaining_jiffies;
|
|
|
|
/*
|
|
* Don't re-read the value of "jiffies" every time since it may change
|
|
* behind our back and break the math.
|
|
*/
|
|
tmp_jiffies = jiffies;
|
|
target_jiffies = timestamp_jiffies +
|
|
msecs_to_jiffies_timeout(to_wait_ms);
|
|
|
|
if (time_after(target_jiffies, tmp_jiffies)) {
|
|
remaining_jiffies = target_jiffies - tmp_jiffies;
|
|
while (remaining_jiffies)
|
|
remaining_jiffies =
|
|
schedule_timeout_uninterruptible(remaining_jiffies);
|
|
}
|
|
}
|
|
|
|
#endif
|