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authorChris Wilson <chris@chris-wilson.co.uk>2019-09-04 11:07:07 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-09-04 12:43:20 +0100
commit9d7b01e93526efe79dbf75b69cc5972b5a4f7b37 (patch)
treed5e852a66c0a005fce47b8ebfccaa1536b280832 /drivers/gpu/drm/i915/gt/intel_workarounds.c
parent4bb6a9d5d9a8289673c4cb0786d44be8a63c21db (diff)
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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: 8424171e135c ("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
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 8639fcccdb42..243d3f77be13 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -297,11 +297,6 @@ static void gen9_ctx_workarounds_init(struct intel_engine_cs *engine,
FLOW_CONTROL_ENABLE |
PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
- /* Syncing dependencies between camera and graphics:skl,bxt,kbl */
- if (!IS_COFFEELAKE(i915))
- WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
- GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
-
/* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl,glk,cfl */
/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl,cfl */
WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,