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466e69b8b0
linux/drivers/gpu/drm/i915
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Dave Airlie 466e69b8b0 drm: move pci bus master enable into driver. 
The current enabling of bus mastering in the drm midlayer allows a large
race condition under kexec. When a kexec'ed kernel re-enables bus mastering
for the GPU, previously setup dma blocks may cause writes to random pieces
of memory. On radeon the writeback mechanism can cause these sorts of issues.

This patch doesn't fix the problem, but it moves the bus master enable under
the individual drivers control so they can move enabling it until later in
their load cycle and close the race.

Fix for radeon kms driver will be in a follow-up patch.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-16 18:31:07 +00:00
..
dvo_ch7xxx.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ch7017.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ivch.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_sil164.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_tfp410.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo.h drm/i915: Subclass intel_encoder. 2010-08-09 11:24:28 -07:00
i915_debugfs.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
i915_dma.c drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
i915_drv.c Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-07 15:29:04 +00:00
i915_drv.h Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
i915_gem_debug.c drm/i915: drop KM_USER0 argument to k(un)map_atomic 2011-10-20 15:26:37 -07:00
i915_gem_evict.c drm/i915: argument to control retiring behavior 2012-01-26 11:19:19 +01:00
i915_gem_execbuffer.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
i915_gem_gtt.c drm/i915: drm/i915: Fix recursive calls to unmap 2012-01-26 11:25:51 +01:00
i915_gem_tiling.c drm/i915: fix swizzle detection for gen3 2012-01-30 21:19:15 +01:00
i915_gem.c drm/i915: rewrite shmem_pread_slow to use copy_to_user 2012-01-30 23:34:34 +01:00
i915_ioc32.c
i915_irq.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
i915_reg.h drm/i915: add per-ring fault reg to error_state 2012-01-29 23:17:52 +01:00
i915_suspend.c drm/i915: Re-enable gen7 RC6 and GPU turbo after resume. 2012-01-24 13:25:10 -08:00
i915_trace_points.c
i915_trace.h Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_acpi.c drm/i915: Silence _DSM errors 2012-01-16 21:08:19 +01:00
intel_bios.c drm/i915: Use kcalloc instead of kzalloc to allocate array 2012-01-17 17:33:24 +01:00
intel_bios.h drm/i915: VBT Parser cleanup for eDP block 2012-01-13 08:37:44 -08:00
intel_crt.c CHROMIUM: i915: Add DMI override to skip CRT initialization on ZGB 2012-01-12 12:30:25 -08:00
intel_display.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
intel_dp.c drm/i915/dp: Check for AUXCH error before checking for success 2012-01-17 16:47:00 +01:00
intel_drv.h drm/i915: Separate fence pin counting from normal bind pin counting 2012-01-29 18:23:37 +01:00
intel_dvo.c drm/i915: cleanup per-pipe reg usage 2011-02-07 21:17:15 +00:00
intel_fb.c drm: do not set fb_info->pixmap fields 2012-02-09 10:34:43 +00:00
intel_hdmi.c drm/i915: HDMI hot remove notification to audio driver 2011-12-19 19:15:48 -08:00
intel_i2c.c drm: Fix kcalloc parameters swapped 2012-02-13 12:07:36 +00:00
intel_lvds.c drm/i915: Add Clientron E830 to the ignore LVDS list 2012-01-12 12:35:42 -08:00
intel_modes.c drm: add convenience function to create an enum property 2012-02-09 10:15:18 +00:00
intel_opregion.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_overlay.c drm/i915: argument to control retiring behavior 2012-01-26 11:19:19 +01:00
intel_panel.c drivers: i915: Fix BLC PWM register setup 2012-01-17 11:42:29 +01:00
intel_ringbuffer.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
intel_ringbuffer.h drm/i915: switch ring->id to be a real id 2012-01-29 17:32:58 +01:00
intel_sdvo_regs.h misc latin1 to utf8 conversions 2012-01-02 13:04:55 +01:00
intel_sdvo.c drm: add convenience function to create an range property 2012-02-09 10:15:25 +00:00
intel_sprite.c Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next 2012-02-14 14:16:00 +00:00
intel_tv.c drm/i915: Removing TV Out modes. 2012-01-06 13:54:12 -08:00
Makefile drm/i915: kill i915_mem.c 2012-01-17 20:01:01 +01:00