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f4a12ead50
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Imre Deak f4a12ead50 drm/i915: remove unused restore_gtt_mappings optimization during suspend 
The logic to skip restoring GTT mappings was added to speed up
suspend/resume, but not on old GENs where not restoring them caused
problems. The check for old GENs is based on the existence of OpRegion,
but this doesn't work since opregion is initialized only after
the check. So we end up always restoring the mappings.

On my BYT - which has OpRegion - skipping restoring the mappings during
suspend doesn't work, I get a GPU hang after resume. Also the logic of
when to allow the optimization during S4 is reversed: we should allow it
during S4 thaw but not during S4 restore, but atm we have it the other
way around in the code.

Since correctness wins over optimal code and since the optimization
wasn't used anyway I decided not to try to fix it at this point, but
just remove it. This allows us to unify the S3 and S4 handlers in the
following patches.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-10-24 16:34:18 +02:00
..
dvo_ch7xxx.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ch7017.c
dvo_ivch.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ns2501.c drm/i915: Check pixel clock in ns2501 mode_valid hook 2014-09-03 11:05:21 +02:00
dvo_sil164.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_tfp410.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo.h
i915_cmd_parser.c drm/i915: Log a message when rejecting LRM to OACONTROL 2014-09-19 17:56:20 +02:00
i915_debugfs.c drm/i915: add runtime PM get/put call in i915_execlists 2014-10-24 16:34:11 +02:00
i915_dma.c drm/i915: call drm_vblank_cleanup() earlier at unload 2014-10-24 16:34:10 +02:00
i915_drv.c drm/i915: remove unused restore_gtt_mappings optimization during suspend 2014-10-24 16:34:18 +02:00
i915_drv.h drm/i915: preserve swizzle settings if necessary v4 2014-10-24 16:34:09 +02:00
i915_gem_context.c drm/i915/bdw: Apply workarounds in render ring init function 2014-09-03 11:04:42 +02:00
i915_gem_debug.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_dmabuf.c dma-buf: use reservation objects 2014-07-08 13:03:20 -07:00
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: Only track real ppgtt for a context 2014-08-13 14:23:33 +02:00
i915_gem_gtt.c Revert "drm/i915: Enable full PPGTT on gen7" 2014-10-24 16:30:14 +02:00
i915_gem_gtt.h drm/i915: Rework GPU reset sequence to match driver load & thaw 2014-09-03 10:54:09 +02:00
i915_gem_render_state.c drm/i915/bdw: Render state init for Execlists 2014-09-03 11:04:52 +02:00
i915_gem_render_state.h drm/i915/bdw: Render state init for Execlists 2014-09-03 11:04:52 +02:00
i915_gem_stolen.c drm/i915: Extend BIOS stolen mem handling to all platform 2014-09-19 14:41:19 +02:00
i915_gem_tiling.c drm/i915: preserve swizzle settings if necessary v4 2014-10-24 16:34:09 +02:00
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: Correctly reject invalid flags for wait_ioctl 2014-10-24 16:34:14 +02:00
i915_gpu_error.c Merge branch 'topic/skl-stage1' into drm-intel-next-queued 2014-09-30 22:36:57 +02:00
i915_ioc32.c drm/i915: remove redundant #ifdef CONFIG_COMPAT 2014-10-24 16:34:07 +02:00
i915_irq.c drm/i915: Filter gmch fifo underruns in the shared handler 2014-10-24 16:33:55 +02:00
i915_params.c Merge tag 'drm-intel-next-2014-09-01' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-09-03 08:30:48 +10:00
i915_reg.h drm/i915: Add rotation support for cursor plane (v5) 2014-10-24 16:34:14 +02:00
i915_suspend.c drm/i915: disable GT power saving early during system suspend 2014-05-22 21:53:27 +02:00
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: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_ums.c
intel_acpi.c
intel_bios.c Merge tag 'drm-intel-next-2014-09-05' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-09-16 16:02:09 +10:00
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: Use IS_HSW_ULT() in HSW CDCLK clock read-out 2014-10-24 16:33:57 +02:00
intel_display.c drm/i915: Add rotation support for cursor plane (v5) 2014-10-24 16:34:14 +02:00
intel_dp_mst.c drm/i915: Fold in intel_mst_port_dp_detect 2014-10-24 16:34:12 +02:00
intel_dp.c drm/i915: Clear TX FIFO reset master override bits on chv 2014-10-03 10:21:13 +02:00
intel_drv.h drm/i915: Filter gmch fifo underruns in the shared handler 2014-10-24 16:33:55 +02:00
intel_dsi_cmd.c drm/i915: Align intel_dsi*.c files a bit 2014-08-08 17:43:45 +02:00
intel_dsi_cmd.h drm/i915: wait for all DSI FIFOs to be empty 2014-08-07 11:07:15 +02:00
intel_dsi_panel_vbt.c drm/i915: Add support for Video Burst Mode for MIPI DSI 2014-08-08 17:43:45 +02:00
intel_dsi_pll.c drm/i915: Align intel_dsi*.c files a bit 2014-08-08 17:43:45 +02:00
intel_dsi.c drm/i915: Bikeshed rpm functions name a bit. 2014-10-01 10:52:59 +02:00
intel_dsi.h drm/i915: Add support for Video Burst Mode for MIPI DSI 2014-08-08 17:43:45 +02:00
intel_dvo.c drm/i915: Don't call DVO mode_set hook on DPMS changes 2014-09-03 11:05:14 +02:00
intel_fbdev.c drm/i915: make fbdev initialization asynchronous v2 2014-09-03 11:05:01 +02:00
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: spelling fixes for frontbuffer tracking kerneldoc 2014-10-01 10:52:57 +02:00
intel_hdmi.c drm/i915: Clear TX FIFO reset master override bits on chv 2014-10-03 10:21:13 +02:00
intel_i2c.c drm/i915: Kill duplicated cdclk readout code from i2c 2014-07-07 11:27:52 +02:00
intel_lrc.c drm/i915: Fix irq checks in ring->irq_get/put functions 2014-09-19 14:43:13 +02:00
intel_lrc.h drm/i915/bdw: Render state init for Execlists 2014-09-03 11:04:52 +02:00
intel_lvds.c drm/i915: Bikeshed rpm functions name a bit. 2014-10-01 10:52:59 +02:00
intel_modes.c
intel_opregion.c Linux 3.16 2014-08-05 09:04:59 +10:00
intel_overlay.c drm/i915: use helpers 2014-07-18 14:25:15 +10:00
intel_panel.c drm/i915: spt does not have pch backlight override bit 2014-10-24 16:34:09 +02:00
intel_pm.c drm/i915/chv: Use 16 and 32 for low and high drain latency precision. 2014-10-24 16:34:12 +02:00
intel_renderstate_gen6.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen7.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen8.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate.h drm/i915/bdw: Render state init for Execlists 2014-09-03 11:04:52 +02:00
intel_ringbuffer.c drm/i915: Emit even number of dwords when emitting LRIs 2014-10-24 16:34:15 +02:00
intel_ringbuffer.h drm/i915/bdw: Apply workarounds in render ring init function 2014-09-03 11:04:42 +02:00
intel_runtime_pm.c drm/i915: only run hsw_power_well_post_enable when really needed 2014-10-24 16:34:13 +02:00
intel_sdvo_regs.h
intel_sdvo.c Merge tag 'topic/core-stuff-2014-06-30' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-07-08 11:04:35 +10:00
intel_sideband.c drm/i915: vlv/chv: fix DSI sideband register accessing 2014-05-19 17:50:14 +02:00
intel_sprite.c drm/i915/skl: Add 180 degree HW rotation support 2014-10-24 16:34:02 +02:00
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: use macros to assign mmio access functions 2014-10-24 16:34:13 +02:00
Kconfig drm/i915: Ditch UMS config option 2014-07-24 10:59:53 +02:00
Makefile drm/i915: Extract intel_fifo_underrun.c 2014-10-24 16:33:53 +02:00