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93ee29203f
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Tom O'Rourke 93ee29203f drm/i915: Use efficient frequency for HSW/BDW 
Added gen6_init_rps_frequencies() to initialize
the rps frequency values.  This function replaces
parse_rp_state_cap().  In addition to reading RPn,
RP0, and RP1 from RP_STATE_CAP register, the new
function reads efficient frequency (aka RPe) from
pcode for Haswell and Broadwell and sets the turbo
softlimits.  The turbo minimum frequency softlimit
is set to RPe for Haswell and Broadwell and to RPn
otherwise.

For RPe, the efficiency is based on the frequency/power
ratio (MHz/W); this is considering GT power and not
package power.  The efficent frequency is the highest
frequency for which the frequency/power ratio is within
some threshold of the highest frequency/power ratio.
A fixed decrease in frequency results in smaller
decrease in power at frequencies less than RPe than
at frequencies above RPe.

v2: Following suggestions from Chris Wilson and
Daniel Vetter to extend and rename parse_rp_state_cap
and to open-code a poorly named function.

Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Remove unused variables.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-11-20 13:03:31 +01:00
..
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Add the predicate source registers to the register whitelist 2014-11-14 10:29:24 +01:00
i915_debugfs.c drm/i915/bdw: Pin the context backing objects to GGTT on-demand 2014-11-19 19:32:58 +01:00
i915_dma.c drm/i915: Can i915_gem_init_ioctl 2014-11-20 13:03:31 +01:00
i915_drv.c drm/i915: Ditch dev_priv->ums.mm_suspend 2014-11-20 13:02:57 +01:00
i915_drv.h drm/i915: Can i915_gem_init_ioctl 2014-11-20 13:03:31 +01:00
i915_gem_context.c drm/i915: Initialize workarounds in logical ring mode too 2014-11-14 10:29:25 +01:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_evict.c drm/i915: fix another use-after-free in i915_gem_evict_everything 2014-09-19 14:41:16 +02:00
i915_gem_execbuffer.c drm/i915: Ditch dev_priv->ums.mm_suspend 2014-11-20 13:02:57 +01:00
i915_gem_gtt.c drm/i915: Can i915_gem_init_ioctl 2014-11-20 13:03:31 +01:00
i915_gem_gtt.h drm/i915: Can i915_gem_init_ioctl 2014-11-20 13:03:31 +01:00
i915_gem_render_state.c drm/i915 Add golden context support for Gen9 2014-11-04 14:04:55 +01:00
i915_gem_render_state.h
i915_gem_stolen.c drm/i915: Move flags describing VMA mappings into the VMA 2014-11-04 14:04:51 +01:00
i915_gem_tiling.c Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued 2014-11-19 18:17:38 +01:00
i915_gem_userptr.c drm/i915: Do not leak pages when freeing userptr objects 2014-09-29 15:31:01 +02:00
i915_gem.c drm/i915: Can i915_gem_init_ioctl 2014-11-20 13:03:31 +01:00
i915_gpu_error.c drm/i915: Don't print header in error state for non-existing CS 2014-11-18 16:23:13 +01:00
i915_ioc32.c drm/i915: remove redundant #ifdef CONFIG_COMPAT 2014-10-24 16:34:07 +02:00
i915_irq.c drm/i915: Remove DRI1 ring accessors and API 2014-11-19 21:17:11 +01:00
i915_params.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-10-14 09:39:08 +02:00
i915_reg.h drm/i915: Use efficient frequency for HSW/BDW 2014-11-20 13:03:31 +01:00
i915_suspend.c drm/i915: unify remaining register save/restore code a bit 2014-11-14 10:29:28 +01:00
i915_sysfs.c drm/i915: Do not export RC6p and RC6pp if they don't exist 2014-10-24 16:34:00 +02:00
i915_trace_points.c
i915_trace.h drm/i915: Add tracepoints to track a vm during its lifetime 2014-11-14 10:29:13 +01:00
i915_ums.c drm/i915: don't save/restore backlight hist ctl registers 2014-11-14 10:29:28 +01:00
intel_acpi.c
intel_audio.c drm/i915/audio: fix monitor presence indication after disable 2014-11-18 11:17:37 +01:00
intel_bios.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-10-14 09:39:08 +02:00
intel_bios.h drm/i915/bios: add missing __packed to structs used for reading vbt 2014-09-19 14:43:14 +02:00
intel_crt.c drm/i915: Don't claim that we're resetting PCH ADPA register 2014-10-24 16:34:10 +02:00
intel_ddi.c drm/i915/ddi: set has_infoframe flag on DDI too v2 2014-11-19 14:54:08 +01:00
intel_display.c drm/i915: Remove DRI1 ring accessors and API 2014-11-19 21:17:11 +01:00
intel_dp_mst.c drm/i915: Fold in intel_mst_port_dp_detect 2014-10-24 16:34:12 +02:00
intel_dp.c Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued 2014-11-19 18:17:38 +01:00
intel_drv.h drm/i915: sanitize rps irq enabling 2014-11-19 15:03:17 +01:00
intel_dsi_cmd.c
intel_dsi_cmd.h
intel_dsi_panel_vbt.c
intel_dsi_pll.c
intel_dsi.c drm/i915: Bikeshed rpm functions name a bit. 2014-10-01 10:52:59 +02:00
intel_dsi.h
intel_dvo.c
intel_fbdev.c drm/i915: Make intel_pin_and_fence_fb_obj take plane and framebuffer 2014-11-07 18:41:51 +01:00
intel_fifo_underrun.c drm/i915: kerneldoc for intel_fifo_underrun.c 2014-10-24 16:33:55 +02:00
intel_frontbuffer.c drm/i915: Introduce intel_psr.c 2014-11-17 19:12:28 +01:00
intel_hdmi.c drm/i915/hdmi: fetch infoframe status in get_config v2 2014-11-14 10:29:22 +01:00
intel_i2c.c
intel_lrc.c drm/i915/bdw: Pin the ringbuffer backing object to GGTT on-demand 2014-11-19 19:56:44 +01:00
intel_lrc.h drm/i915/bdw: Pin the context backing objects to GGTT on-demand 2014-11-19 19:32:58 +01:00
intel_lvds.c drm/i915: Pass the current pipe from eDP init to backlight setup 2014-11-14 10:29:20 +01:00
intel_modes.c
intel_opregion.c ACPI / i915: Update the condition to ignore firmware backlight change request 2014-09-30 01:11:18 +02:00
intel_overlay.c
intel_panel.c Merge tag 'drm-intel-fixes-2014-11-19' into drm-intel-next-queued 2014-11-19 18:17:38 +01:00
intel_pm.c drm/i915: Use efficient frequency for HSW/BDW 2014-11-20 13:03:31 +01:00
intel_psr.c drm/i915: Add PSR docbook 2014-11-17 19:13:24 +01:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c drm/i915 Update Gen8 golden context batch buffer 2014-11-04 14:04:54 +01:00
intel_renderstate_gen9.c drm/i915 Add golden context support for Gen9 2014-11-04 14:04:55 +01:00
intel_renderstate.h drm/i915 Add golden context support for Gen9 2014-11-04 14:04:55 +01:00
intel_ringbuffer.c drm/i915: Remove DRI1 ring accessors and API 2014-11-19 21:17:11 +01:00
intel_ringbuffer.h drm/i915: Remove DRI1 ring accessors and API 2014-11-19 21:17:11 +01:00
intel_runtime_pm.c drm/i915: Reinit display irqs and hpd from chv pipe-a power well 2014-11-17 09:16:53 +01:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Don't destroy DRM properties in the driver 2014-10-31 18:38:17 +01:00
intel_sideband.c
intel_sprite.c drm/i915: use the correct obj when preparing the sprite plane 2014-11-14 10:29:13 +01:00
intel_tv.c drm/i915: Clarify irq_lock locking, intel_tv_detect 2014-09-19 14:43:19 +02:00
intel_uncore.c drm/i915: Drop WaRsForcewakeWaitTC0:vlv 2014-11-17 19:11:18 +01:00
Kconfig
Makefile drm/i915: Introduce intel_psr.c 2014-11-17 19:12:28 +01:00