From: Lionel Landwerlin <[email protected]> [ Upstream commit cf8f9aa1eda7d916bd23f6b8c226404deb11690c ]
The same tests failing on CFL+ platforms are also failing on ICL. Documentation doesn't list the WaAllowPMDepthAndInvocationCountAccessFromUMD workaround for ICL but applying it fixes the same tests as CFL. v2: Use only one whitelist entry (Lionel) Signed-off-by: Lionel Landwerlin <[email protected]> Tested-by: Anuj Phogat <[email protected]> Cc: [email protected] # 6883eab27481: drm/i915: Support flags in whitlist WAs Cc: [email protected] Acked-by: Chris Wilson <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit 3fe0107e45ab396342497e06b8924cdd485cde3b) Signed-off-by: Jani Nikula <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/gpu/drm/i915/intel_workarounds.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index efea5a18fa6db..edd57a5e0495f 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -1107,6 +1107,19 @@ static void icl_whitelist_build(struct intel_engine_cs *engine) /* WaEnableStateCacheRedirectToCS:icl */ whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1); + + /* + * WaAllowPMDepthAndInvocationCountAccessFromUMD:icl + * + * This covers 4 register which are next to one another : + * - PS_INVOCATION_COUNT + * - PS_INVOCATION_COUNT_UDW + * - PS_DEPTH_COUNT + * - PS_DEPTH_COUNT_UDW + */ + whitelist_reg_ext(w, PS_INVOCATION_COUNT, + RING_FORCE_TO_NONPRIV_RD | + RING_FORCE_TO_NONPRIV_RANGE_4); break; case VIDEO_DECODE_CLASS: -- 2.20.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
