mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 09:06:34 +07:00
a3405d0c71
No longer used since we changed the MC programming sequence. Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
782 lines
20 KiB
C
782 lines
20 KiB
C
/*
|
|
* Copyright 2014 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
#include <drm/drmP.h>
|
|
#include "amdgpu.h"
|
|
#include "amdgpu_pm.h"
|
|
#include "amdgpu_i2c.h"
|
|
#include "atom.h"
|
|
#include "amdgpu_pll.h"
|
|
#include "amdgpu_connectors.h"
|
|
#ifdef CONFIG_DRM_AMDGPU_SI
|
|
#include "dce_v6_0.h"
|
|
#endif
|
|
#ifdef CONFIG_DRM_AMDGPU_CIK
|
|
#include "dce_v8_0.h"
|
|
#endif
|
|
#include "dce_v10_0.h"
|
|
#include "dce_v11_0.h"
|
|
#include "dce_virtual.h"
|
|
|
|
#define DCE_VIRTUAL_VBLANK_PERIOD 16666666
|
|
|
|
|
|
static void dce_virtual_set_display_funcs(struct amdgpu_device *adev);
|
|
static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev);
|
|
static int dce_virtual_connector_encoder_init(struct amdgpu_device *adev,
|
|
int index);
|
|
static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
|
|
int crtc,
|
|
enum amdgpu_interrupt_state state);
|
|
|
|
static u32 dce_virtual_vblank_get_counter(struct amdgpu_device *adev, int crtc)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void dce_virtual_page_flip(struct amdgpu_device *adev,
|
|
int crtc_id, u64 crtc_base, bool async)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static int dce_virtual_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
|
|
u32 *vbl, u32 *position)
|
|
{
|
|
*vbl = 0;
|
|
*position = 0;
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static bool dce_virtual_hpd_sense(struct amdgpu_device *adev,
|
|
enum amdgpu_hpd_id hpd)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static void dce_virtual_hpd_set_polarity(struct amdgpu_device *adev,
|
|
enum amdgpu_hpd_id hpd)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static u32 dce_virtual_hpd_get_gpio_reg(struct amdgpu_device *adev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* dce_virtual_bandwidth_update - program display watermarks
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Calculate and program the display watermarks and line
|
|
* buffer allocation (CIK).
|
|
*/
|
|
static void dce_virtual_bandwidth_update(struct amdgpu_device *adev)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static int dce_virtual_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
|
|
u16 *green, u16 *blue, uint32_t size,
|
|
struct drm_modeset_acquire_ctx *ctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void dce_virtual_crtc_destroy(struct drm_crtc *crtc)
|
|
{
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
|
|
drm_crtc_cleanup(crtc);
|
|
kfree(amdgpu_crtc);
|
|
}
|
|
|
|
static const struct drm_crtc_funcs dce_virtual_crtc_funcs = {
|
|
.cursor_set2 = NULL,
|
|
.cursor_move = NULL,
|
|
.gamma_set = dce_virtual_crtc_gamma_set,
|
|
.set_config = amdgpu_display_crtc_set_config,
|
|
.destroy = dce_virtual_crtc_destroy,
|
|
.page_flip_target = amdgpu_display_crtc_page_flip_target,
|
|
};
|
|
|
|
static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode)
|
|
{
|
|
struct drm_device *dev = crtc->dev;
|
|
struct amdgpu_device *adev = dev->dev_private;
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
unsigned type;
|
|
|
|
if (amdgpu_sriov_vf(adev))
|
|
return;
|
|
|
|
switch (mode) {
|
|
case DRM_MODE_DPMS_ON:
|
|
amdgpu_crtc->enabled = true;
|
|
/* Make sure VBLANK interrupts are still enabled */
|
|
type = amdgpu_display_crtc_idx_to_irq_type(adev,
|
|
amdgpu_crtc->crtc_id);
|
|
amdgpu_irq_update(adev, &adev->crtc_irq, type);
|
|
drm_crtc_vblank_on(crtc);
|
|
break;
|
|
case DRM_MODE_DPMS_STANDBY:
|
|
case DRM_MODE_DPMS_SUSPEND:
|
|
case DRM_MODE_DPMS_OFF:
|
|
drm_crtc_vblank_off(crtc);
|
|
amdgpu_crtc->enabled = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void dce_virtual_crtc_prepare(struct drm_crtc *crtc)
|
|
{
|
|
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
|
|
}
|
|
|
|
static void dce_virtual_crtc_commit(struct drm_crtc *crtc)
|
|
{
|
|
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
|
|
}
|
|
|
|
static void dce_virtual_crtc_disable(struct drm_crtc *crtc)
|
|
{
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
|
|
dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
|
|
if (crtc->primary->fb) {
|
|
int r;
|
|
struct amdgpu_framebuffer *amdgpu_fb;
|
|
struct amdgpu_bo *abo;
|
|
|
|
amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
|
|
abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
|
|
r = amdgpu_bo_reserve(abo, true);
|
|
if (unlikely(r))
|
|
DRM_ERROR("failed to reserve abo before unpin\n");
|
|
else {
|
|
amdgpu_bo_unpin(abo);
|
|
amdgpu_bo_unreserve(abo);
|
|
}
|
|
}
|
|
|
|
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
|
|
amdgpu_crtc->encoder = NULL;
|
|
amdgpu_crtc->connector = NULL;
|
|
}
|
|
|
|
static int dce_virtual_crtc_mode_set(struct drm_crtc *crtc,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode,
|
|
int x, int y, struct drm_framebuffer *old_fb)
|
|
{
|
|
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
|
|
|
|
/* update the hw version fpr dpm */
|
|
amdgpu_crtc->hw_mode = *adjusted_mode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool dce_virtual_crtc_mode_fixup(struct drm_crtc *crtc,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
|
|
static int dce_virtual_crtc_set_base(struct drm_crtc *crtc, int x, int y,
|
|
struct drm_framebuffer *old_fb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_crtc_set_base_atomic(struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
int x, int y, enum mode_set_atomic state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = {
|
|
.dpms = dce_virtual_crtc_dpms,
|
|
.mode_fixup = dce_virtual_crtc_mode_fixup,
|
|
.mode_set = dce_virtual_crtc_mode_set,
|
|
.mode_set_base = dce_virtual_crtc_set_base,
|
|
.mode_set_base_atomic = dce_virtual_crtc_set_base_atomic,
|
|
.prepare = dce_virtual_crtc_prepare,
|
|
.commit = dce_virtual_crtc_commit,
|
|
.disable = dce_virtual_crtc_disable,
|
|
};
|
|
|
|
static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)
|
|
{
|
|
struct amdgpu_crtc *amdgpu_crtc;
|
|
|
|
amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
|
|
(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
|
|
if (amdgpu_crtc == NULL)
|
|
return -ENOMEM;
|
|
|
|
drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_virtual_crtc_funcs);
|
|
|
|
drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
|
|
amdgpu_crtc->crtc_id = index;
|
|
adev->mode_info.crtcs[index] = amdgpu_crtc;
|
|
|
|
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
|
|
amdgpu_crtc->encoder = NULL;
|
|
amdgpu_crtc->connector = NULL;
|
|
amdgpu_crtc->vsync_timer_enabled = AMDGPU_IRQ_STATE_DISABLE;
|
|
drm_crtc_helper_add(&amdgpu_crtc->base, &dce_virtual_crtc_helper_funcs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_early_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
dce_virtual_set_display_funcs(adev);
|
|
dce_virtual_set_irq_funcs(adev);
|
|
|
|
adev->mode_info.num_hpd = 1;
|
|
adev->mode_info.num_dig = 1;
|
|
return 0;
|
|
}
|
|
|
|
static struct drm_encoder *
|
|
dce_virtual_encoder(struct drm_connector *connector)
|
|
{
|
|
int enc_id = connector->encoder_ids[0];
|
|
struct drm_encoder *encoder;
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
|
|
if (connector->encoder_ids[i] == 0)
|
|
break;
|
|
|
|
encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
|
|
if (!encoder)
|
|
continue;
|
|
|
|
if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL)
|
|
return encoder;
|
|
}
|
|
|
|
/* pick the first one */
|
|
if (enc_id)
|
|
return drm_encoder_find(connector->dev, NULL, enc_id);
|
|
return NULL;
|
|
}
|
|
|
|
static int dce_virtual_get_modes(struct drm_connector *connector)
|
|
{
|
|
struct drm_device *dev = connector->dev;
|
|
struct drm_display_mode *mode = NULL;
|
|
unsigned i;
|
|
static const struct mode_size {
|
|
int w;
|
|
int h;
|
|
} common_modes[17] = {
|
|
{ 640, 480},
|
|
{ 720, 480},
|
|
{ 800, 600},
|
|
{ 848, 480},
|
|
{1024, 768},
|
|
{1152, 768},
|
|
{1280, 720},
|
|
{1280, 800},
|
|
{1280, 854},
|
|
{1280, 960},
|
|
{1280, 1024},
|
|
{1440, 900},
|
|
{1400, 1050},
|
|
{1680, 1050},
|
|
{1600, 1200},
|
|
{1920, 1080},
|
|
{1920, 1200}
|
|
};
|
|
|
|
for (i = 0; i < 17; i++) {
|
|
mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
|
|
drm_mode_probed_add(connector, mode);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
return MODE_OK;
|
|
}
|
|
|
|
static int
|
|
dce_virtual_dpms(struct drm_connector *connector, int mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
dce_virtual_set_property(struct drm_connector *connector,
|
|
struct drm_property *property,
|
|
uint64_t val)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void dce_virtual_destroy(struct drm_connector *connector)
|
|
{
|
|
drm_connector_unregister(connector);
|
|
drm_connector_cleanup(connector);
|
|
kfree(connector);
|
|
}
|
|
|
|
static void dce_virtual_force(struct drm_connector *connector)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static const struct drm_connector_helper_funcs dce_virtual_connector_helper_funcs = {
|
|
.get_modes = dce_virtual_get_modes,
|
|
.mode_valid = dce_virtual_mode_valid,
|
|
.best_encoder = dce_virtual_encoder,
|
|
};
|
|
|
|
static const struct drm_connector_funcs dce_virtual_connector_funcs = {
|
|
.dpms = dce_virtual_dpms,
|
|
.fill_modes = drm_helper_probe_single_connector_modes,
|
|
.set_property = dce_virtual_set_property,
|
|
.destroy = dce_virtual_destroy,
|
|
.force = dce_virtual_force,
|
|
};
|
|
|
|
static int dce_virtual_sw_init(void *handle)
|
|
{
|
|
int r, i;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 229, &adev->crtc_irq);
|
|
if (r)
|
|
return r;
|
|
|
|
adev->ddev->max_vblank_count = 0;
|
|
|
|
adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
|
|
|
|
adev->ddev->mode_config.max_width = 16384;
|
|
adev->ddev->mode_config.max_height = 16384;
|
|
|
|
adev->ddev->mode_config.preferred_depth = 24;
|
|
adev->ddev->mode_config.prefer_shadow = 1;
|
|
|
|
adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
|
|
|
|
r = amdgpu_display_modeset_create_props(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
adev->ddev->mode_config.max_width = 16384;
|
|
adev->ddev->mode_config.max_height = 16384;
|
|
|
|
/* allocate crtcs, encoders, connectors */
|
|
for (i = 0; i < adev->mode_info.num_crtc; i++) {
|
|
r = dce_virtual_crtc_init(adev, i);
|
|
if (r)
|
|
return r;
|
|
r = dce_virtual_connector_encoder_init(adev, i);
|
|
if (r)
|
|
return r;
|
|
}
|
|
|
|
drm_kms_helper_poll_init(adev->ddev);
|
|
|
|
adev->mode_info.mode_config_initialized = true;
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_sw_fini(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
kfree(adev->mode_info.bios_hardcoded_edid);
|
|
|
|
drm_kms_helper_poll_fini(adev->ddev);
|
|
|
|
drm_mode_config_cleanup(adev->ddev);
|
|
/* clear crtcs pointer to avoid dce irq finish routine access freed data */
|
|
memset(adev->mode_info.crtcs, 0, sizeof(adev->mode_info.crtcs[0]) * AMDGPU_MAX_CRTCS);
|
|
adev->mode_info.mode_config_initialized = false;
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_hw_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
switch (adev->asic_type) {
|
|
#ifdef CONFIG_DRM_AMDGPU_SI
|
|
case CHIP_TAHITI:
|
|
case CHIP_PITCAIRN:
|
|
case CHIP_VERDE:
|
|
case CHIP_OLAND:
|
|
dce_v6_0_disable_dce(adev);
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_DRM_AMDGPU_CIK
|
|
case CHIP_BONAIRE:
|
|
case CHIP_HAWAII:
|
|
case CHIP_KAVERI:
|
|
case CHIP_KABINI:
|
|
case CHIP_MULLINS:
|
|
dce_v8_0_disable_dce(adev);
|
|
break;
|
|
#endif
|
|
case CHIP_FIJI:
|
|
case CHIP_TONGA:
|
|
dce_v10_0_disable_dce(adev);
|
|
break;
|
|
case CHIP_CARRIZO:
|
|
case CHIP_STONEY:
|
|
case CHIP_POLARIS11:
|
|
case CHIP_POLARIS10:
|
|
dce_v11_0_disable_dce(adev);
|
|
break;
|
|
case CHIP_TOPAZ:
|
|
#ifdef CONFIG_DRM_AMDGPU_SI
|
|
case CHIP_HAINAN:
|
|
#endif
|
|
/* no DCE */
|
|
break;
|
|
case CHIP_VEGA10:
|
|
break;
|
|
default:
|
|
DRM_ERROR("Virtual display unsupported ASIC type: 0x%X\n", adev->asic_type);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_hw_fini(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
int i = 0;
|
|
|
|
for (i = 0; i<adev->mode_info.num_crtc; i++)
|
|
if (adev->mode_info.crtcs[i])
|
|
dce_virtual_set_crtc_vblank_interrupt_state(adev, i, AMDGPU_IRQ_STATE_DISABLE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_suspend(void *handle)
|
|
{
|
|
return dce_virtual_hw_fini(handle);
|
|
}
|
|
|
|
static int dce_virtual_resume(void *handle)
|
|
{
|
|
return dce_virtual_hw_init(handle);
|
|
}
|
|
|
|
static bool dce_virtual_is_idle(void *handle)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static int dce_virtual_wait_for_idle(void *handle)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_soft_reset(void *handle)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_set_clockgating_state(void *handle,
|
|
enum amd_clockgating_state state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int dce_virtual_set_powergating_state(void *handle,
|
|
enum amd_powergating_state state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static const struct amd_ip_funcs dce_virtual_ip_funcs = {
|
|
.name = "dce_virtual",
|
|
.early_init = dce_virtual_early_init,
|
|
.late_init = NULL,
|
|
.sw_init = dce_virtual_sw_init,
|
|
.sw_fini = dce_virtual_sw_fini,
|
|
.hw_init = dce_virtual_hw_init,
|
|
.hw_fini = dce_virtual_hw_fini,
|
|
.suspend = dce_virtual_suspend,
|
|
.resume = dce_virtual_resume,
|
|
.is_idle = dce_virtual_is_idle,
|
|
.wait_for_idle = dce_virtual_wait_for_idle,
|
|
.soft_reset = dce_virtual_soft_reset,
|
|
.set_clockgating_state = dce_virtual_set_clockgating_state,
|
|
.set_powergating_state = dce_virtual_set_powergating_state,
|
|
};
|
|
|
|
/* these are handled by the primary encoders */
|
|
static void dce_virtual_encoder_prepare(struct drm_encoder *encoder)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void dce_virtual_encoder_commit(struct drm_encoder *encoder)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dce_virtual_encoder_mode_set(struct drm_encoder *encoder,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void dce_virtual_encoder_disable(struct drm_encoder *encoder)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void
|
|
dce_virtual_encoder_dpms(struct drm_encoder *encoder, int mode)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static bool dce_virtual_encoder_mode_fixup(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static const struct drm_encoder_helper_funcs dce_virtual_encoder_helper_funcs = {
|
|
.dpms = dce_virtual_encoder_dpms,
|
|
.mode_fixup = dce_virtual_encoder_mode_fixup,
|
|
.prepare = dce_virtual_encoder_prepare,
|
|
.mode_set = dce_virtual_encoder_mode_set,
|
|
.commit = dce_virtual_encoder_commit,
|
|
.disable = dce_virtual_encoder_disable,
|
|
};
|
|
|
|
static void dce_virtual_encoder_destroy(struct drm_encoder *encoder)
|
|
{
|
|
drm_encoder_cleanup(encoder);
|
|
kfree(encoder);
|
|
}
|
|
|
|
static const struct drm_encoder_funcs dce_virtual_encoder_funcs = {
|
|
.destroy = dce_virtual_encoder_destroy,
|
|
};
|
|
|
|
static int dce_virtual_connector_encoder_init(struct amdgpu_device *adev,
|
|
int index)
|
|
{
|
|
struct drm_encoder *encoder;
|
|
struct drm_connector *connector;
|
|
|
|
/* add a new encoder */
|
|
encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
|
|
if (!encoder)
|
|
return -ENOMEM;
|
|
encoder->possible_crtcs = 1 << index;
|
|
drm_encoder_init(adev->ddev, encoder, &dce_virtual_encoder_funcs,
|
|
DRM_MODE_ENCODER_VIRTUAL, NULL);
|
|
drm_encoder_helper_add(encoder, &dce_virtual_encoder_helper_funcs);
|
|
|
|
connector = kzalloc(sizeof(struct drm_connector), GFP_KERNEL);
|
|
if (!connector) {
|
|
kfree(encoder);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* add a new connector */
|
|
drm_connector_init(adev->ddev, connector, &dce_virtual_connector_funcs,
|
|
DRM_MODE_CONNECTOR_VIRTUAL);
|
|
drm_connector_helper_add(connector, &dce_virtual_connector_helper_funcs);
|
|
connector->display_info.subpixel_order = SubPixelHorizontalRGB;
|
|
connector->interlace_allowed = false;
|
|
connector->doublescan_allowed = false;
|
|
drm_connector_register(connector);
|
|
|
|
/* link them */
|
|
drm_mode_connector_attach_encoder(connector, encoder);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct amdgpu_display_funcs dce_virtual_display_funcs = {
|
|
.bandwidth_update = &dce_virtual_bandwidth_update,
|
|
.vblank_get_counter = &dce_virtual_vblank_get_counter,
|
|
.backlight_set_level = NULL,
|
|
.backlight_get_level = NULL,
|
|
.hpd_sense = &dce_virtual_hpd_sense,
|
|
.hpd_set_polarity = &dce_virtual_hpd_set_polarity,
|
|
.hpd_get_gpio_reg = &dce_virtual_hpd_get_gpio_reg,
|
|
.page_flip = &dce_virtual_page_flip,
|
|
.page_flip_get_scanoutpos = &dce_virtual_crtc_get_scanoutpos,
|
|
.add_encoder = NULL,
|
|
.add_connector = NULL,
|
|
};
|
|
|
|
static void dce_virtual_set_display_funcs(struct amdgpu_device *adev)
|
|
{
|
|
if (adev->mode_info.funcs == NULL)
|
|
adev->mode_info.funcs = &dce_virtual_display_funcs;
|
|
}
|
|
|
|
static int dce_virtual_pageflip(struct amdgpu_device *adev,
|
|
unsigned crtc_id)
|
|
{
|
|
unsigned long flags;
|
|
struct amdgpu_crtc *amdgpu_crtc;
|
|
struct amdgpu_flip_work *works;
|
|
|
|
amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
|
|
|
|
if (crtc_id >= adev->mode_info.num_crtc) {
|
|
DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* IRQ could occur when in initial stage */
|
|
if (amdgpu_crtc == NULL)
|
|
return 0;
|
|
|
|
spin_lock_irqsave(&adev->ddev->event_lock, flags);
|
|
works = amdgpu_crtc->pflip_works;
|
|
if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
|
|
DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
|
|
"AMDGPU_FLIP_SUBMITTED(%d)\n",
|
|
amdgpu_crtc->pflip_status,
|
|
AMDGPU_FLIP_SUBMITTED);
|
|
spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
/* page flip completed. clean up */
|
|
amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
|
|
amdgpu_crtc->pflip_works = NULL;
|
|
|
|
/* wakeup usersapce */
|
|
if (works->event)
|
|
drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
|
|
|
|
spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
|
|
|
|
drm_crtc_vblank_put(&amdgpu_crtc->base);
|
|
schedule_work(&works->unpin_work);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static enum hrtimer_restart dce_virtual_vblank_timer_handle(struct hrtimer *vblank_timer)
|
|
{
|
|
struct amdgpu_crtc *amdgpu_crtc = container_of(vblank_timer,
|
|
struct amdgpu_crtc, vblank_timer);
|
|
struct drm_device *ddev = amdgpu_crtc->base.dev;
|
|
struct amdgpu_device *adev = ddev->dev_private;
|
|
|
|
drm_handle_vblank(ddev, amdgpu_crtc->crtc_id);
|
|
dce_virtual_pageflip(adev, amdgpu_crtc->crtc_id);
|
|
hrtimer_start(vblank_timer, DCE_VIRTUAL_VBLANK_PERIOD,
|
|
HRTIMER_MODE_REL);
|
|
|
|
return HRTIMER_NORESTART;
|
|
}
|
|
|
|
static void dce_virtual_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
|
|
int crtc,
|
|
enum amdgpu_interrupt_state state)
|
|
{
|
|
if (crtc >= adev->mode_info.num_crtc || !adev->mode_info.crtcs[crtc]) {
|
|
DRM_DEBUG("invalid crtc %d\n", crtc);
|
|
return;
|
|
}
|
|
|
|
if (state && !adev->mode_info.crtcs[crtc]->vsync_timer_enabled) {
|
|
DRM_DEBUG("Enable software vsync timer\n");
|
|
hrtimer_init(&adev->mode_info.crtcs[crtc]->vblank_timer,
|
|
CLOCK_MONOTONIC, HRTIMER_MODE_REL);
|
|
hrtimer_set_expires(&adev->mode_info.crtcs[crtc]->vblank_timer,
|
|
DCE_VIRTUAL_VBLANK_PERIOD);
|
|
adev->mode_info.crtcs[crtc]->vblank_timer.function =
|
|
dce_virtual_vblank_timer_handle;
|
|
hrtimer_start(&adev->mode_info.crtcs[crtc]->vblank_timer,
|
|
DCE_VIRTUAL_VBLANK_PERIOD, HRTIMER_MODE_REL);
|
|
} else if (!state && adev->mode_info.crtcs[crtc]->vsync_timer_enabled) {
|
|
DRM_DEBUG("Disable software vsync timer\n");
|
|
hrtimer_cancel(&adev->mode_info.crtcs[crtc]->vblank_timer);
|
|
}
|
|
|
|
adev->mode_info.crtcs[crtc]->vsync_timer_enabled = state;
|
|
DRM_DEBUG("[FM]set crtc %d vblank interrupt state %d\n", crtc, state);
|
|
}
|
|
|
|
|
|
static int dce_virtual_set_crtc_irq_state(struct amdgpu_device *adev,
|
|
struct amdgpu_irq_src *source,
|
|
unsigned type,
|
|
enum amdgpu_interrupt_state state)
|
|
{
|
|
if (type > AMDGPU_CRTC_IRQ_VBLANK6)
|
|
return -EINVAL;
|
|
|
|
dce_virtual_set_crtc_vblank_interrupt_state(adev, type, state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct amdgpu_irq_src_funcs dce_virtual_crtc_irq_funcs = {
|
|
.set = dce_virtual_set_crtc_irq_state,
|
|
.process = NULL,
|
|
};
|
|
|
|
static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev)
|
|
{
|
|
adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VBLANK6 + 1;
|
|
adev->crtc_irq.funcs = &dce_virtual_crtc_irq_funcs;
|
|
}
|
|
|
|
const struct amdgpu_ip_block_version dce_virtual_ip_block =
|
|
{
|
|
.type = AMD_IP_BLOCK_TYPE_DCE,
|
|
.major = 1,
|
|
.minor = 0,
|
|
.rev = 0,
|
|
.funcs = &dce_virtual_ip_funcs,
|
|
};
|