drm/i915: Restore relaxed padding (OCL_OOB_SUPPRES_ENABLE) for skl+
This bit was fliped on for "syncing dependencies between camera and graphics". BSpec has no recollection why, and it is causing unrecoverable GPU hangs with Vulkan compute workloads. From BSpec, setting bit5 to 0 enables relaxed padding requirements for buffers, 1D and 2D non-array, non-MSAA, non-mip-mapped linear surfaces; and *must* be set to 0h on skl+ to ensure "Out of Bounds" case is suppressed. Reported-by:Jason Ekstrand <jason@jlekstrand.net> Suggested-by:
Jason Ekstrand <jason@jlekstrand.net> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110998 Fixes: 8424171e ("drm/i915/gen9: h/w w/a: syncing dependencies between camera and graphics") Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Tested-by:
<denys.kostin@globallogic.com> Cc: Jason Ekstrand <jason@jlekstrand.net> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: <stable@vger.kernel.org> # v4.1+ Reviewed-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190904100707.7377-1-chris@chris-wilson.co.uk (cherry picked from commit 9d7b01e9 ) Signed-off-by:
Jani Nikula <jani.nikula@intel.com>
parent
bb1a71f9
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