Chris Wilson ec62ed3e1d drm/i915: Restore context and pd for ringbuffer submission after reset ... Following a reset, the context and page directory registers are lost. However, the queue of requests that we resubmit after the reset may depend upon them - the registers are restored from a context image, but that restore may be inhibited and may simply be absent from the request if it was in the middle of a sequence using the same context. If we prime the CCID/PD registers with the first request in the queue (even for the hung request), we prevent invalid memory access for the following requests (and continually hung engines). v2: Magic BIT(8), reserved for future use but still appears unused. v3: Some commentary on handling innocent vs guilty requests v4: Add a wait for PD_BASE fetch. The reload appears to be instant on my Ivybridge, but this bit probably exists for a reason. Fixes: 821ed7df6e ("drm/i915: Update reset path to fix incomplete requests") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170207152437.4252-1-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> (cherry picked from commit c0dcb203fb) Signed-off-by: Jani Nikula <jani.nikula@intel.com>		2017-02-16 11:59:11 +02:00
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drm	drm/i915: Restore context and pd for ringbuffer submission after reset	2017-02-16 11:59:11 +02:00
host1x	gpu: host1x: Add locking to syncpt	2016-11-11 15:33:13 +01:00
ipu-v3	imx-drm plane update cleanup, YUV formats	2016-11-11 09:31:27 +10:00
vga	vgaarb: use valid dev pointer in vgaarb_info()	2016-11-22 16:40:35 +01:00
Makefile