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b0b544cd37
linux/drivers/gpu/drm/i915
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Chris Wilson b0b544cd37 drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU 
945 class hardware has an interesting quirk in which the vblank
interrupt is not raised if the CPU is in a low power state. (We also
suspect that the memory bus is clocked to the CPU/c-state and not the
GPU so there are secondary starvation issues.) In order to prevent the
most obvious issue of the low of the vblank interrupt (stuttering
compositing that only updates when the mouse is moving) is to install a
PM QoS request to prevent low c-states whilst the GPU is active.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2011-01-19 12:38:26 +00:00
..
dvo_ch7xxx.c drm/i915: use GMBUS to manage i2c links 2010-09-18 15:46:19 +01:00
dvo_ch7017.c drm/i915/dvo: Report LVDS attached to ch701x as connected 2010-12-30 13:50:43 +00:00
dvo_ivch.c drm/i915: use GMBUS to manage i2c links 2010-09-18 15:46:19 +01:00
dvo_sil164.c drm/i915: use GMBUS to manage i2c links 2010-09-18 15:46:19 +01:00
dvo_tfp410.c drm/i915: use GMBUS to manage i2c links 2010-09-18 15:46:19 +01:00
dvo.h drm/i915: Subclass intel_encoder. 2010-08-09 11:24:28 -07:00
i915_debugfs.c drm/i915/debugfs: Correct format after changing type of err object 'size' 2011-01-12 20:24:50 +00:00
i915_dma.c drm/i915: Remove impossible test 2011-01-11 20:37:06 +00:00
i915_drv.c drm/i915: Add a module option to override the use of SSC 2011-01-13 16:05:58 +00:00
i915_drv.h drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU 2011-01-19 12:38:26 +00:00
i915_gem_debug.c drm/i915: Use drm_i915_gem_object as the preferred type 2010-11-23 20:19:10 +00:00
i915_gem_evict.c drm/i915/evict: Ensure we completely cleanup on failure 2011-01-11 22:55:39 +00:00
i915_gem_execbuffer.c drm/i915: Disable GPU semaphores on SandyBridge mobile 2011-01-14 09:51:05 +00:00
i915_gem_gtt.c drm/i915/gtt: Unmap the PCI pages after unbinding them from the GTT 2011-01-11 20:44:56 +00:00
i915_gem_tiling.c drm/i915: Pipelined fencing [infrastructure] 2010-12-02 10:07:05 +00:00
i915_gem.c drm/i915: If we hit OOM when allocating GTT pages, clear the aperture 2011-01-11 22:55:48 +00:00
i915_ioc32.c drm: convert drm_ioctl to unlocked_ioctl 2009-12-18 11:22:31 +10:00
i915_irq.c drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU 2011-01-19 12:38:26 +00:00
i915_mem.c
i915_reg.h drm/i915: set phase sync pointer override enable before setting phase sync pointer 2011-01-19 12:37:48 +00:00
i915_suspend.c drm/i915: cleanup rc6 code 2011-01-11 20:43:59 +00:00
i915_trace_points.c drm/i915: Add tracepoints 2009-09-23 01:05:21 +01:00
i915_trace.h drm/i915: Kill the get_fence tracepoint 2010-12-02 10:20:47 +00:00
intel_acpi.c drm/i915: i915 cannot provide switcher services. 2010-12-08 15:40:44 +10:00
intel_bios.c drm/i915: Add a module option to override the use of SSC 2011-01-13 16:05:58 +00:00
intel_bios.h drm/i915: Initialize panel timing registers if VBIOS did not 2010-10-19 09:17:24 +01:00
intel_crt.c drm/i915/crt: Check for a analog monitor in case of DVI-I 2011-01-11 20:26:33 +00:00
intel_display.c drm/i915: skip FDI & PCH enabling for DP_A 2011-01-19 12:38:11 +00:00
intel_dp.c drm/i915: fix calculation of eDP signal levels on Sandybridge 2011-01-11 20:26:54 +00:00
intel_drv.h drm/i915/panel: Only record the backlight level when it is enabled 2011-01-11 20:27:04 +00:00
intel_dvo.c drm/i915/dvo: Fix panel and DDC i2c pins 2010-09-28 23:34:44 +01:00
intel_fb.c Revert "drm: Update fbdev fb_fix_screeninfo" 2011-01-14 16:10:28 -08:00
intel_hdmi.c i915: enable AVI infoframe for intel_hdmi.c [v4] 2010-10-22 09:14:30 +01:00
intel_i2c.c Merge branch 'drm-intel-fixes' into drm-intel-next 2010-11-15 06:49:30 +00:00
intel_lvds.c drm/i915: Use ACPI OpRegion to determine lid status 2011-01-19 12:32:21 +00:00
intel_modes.c drm/i915: use GMBUS to manage i2c links 2010-09-18 15:46:19 +01:00
intel_opregion.c drm/i915: Use ACPI OpRegion to determine lid status 2011-01-19 12:32:21 +00:00
intel_overlay.c drm/i915: Implement GPU semaphores for inter-ring synchronisation on SNB 2010-12-05 00:37:38 +00:00
intel_panel.c drm/i915/panel: The backlight is enabled if the current value is non-zero 2011-01-12 20:24:50 +00:00
intel_ringbuffer.c drm/i915: Make the ring IMR handling private 2011-01-11 20:43:58 +00:00
intel_ringbuffer.h drm/i915: Make the ring IMR handling private 2011-01-11 20:43:58 +00:00
intel_sdvo_regs.h drm/i915/sdvo: Add missing TV filters 2010-08-09 11:24:29 -07:00
intel_sdvo.c drm/i915/sdvo: Defer detection of output capabilities until probing 2011-01-11 20:26:55 +00:00
intel_tv.c drm/i915: Implement GPU semaphores for inter-ring synchronisation on SNB 2010-12-05 00:37:38 +00:00
Makefile drm/i915: Split i915_gem_execbuffer into its own file. 2010-11-25 21:19:25 +00:00