On 09/02/2015 19:33, Damien Lespiau wrote:
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Reviewed-by: Nick Hoath <nicholas.hoath@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 1 +
drivers/gpu/drm/i915/intel_ringbuffer.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fdfbdb3..d519ed9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1483,6 +1483,7 @@ enum skl_disp_power_wells {
#define CACHE_MODE_1 0x7004 /* IVB+ */
#define PIXEL_SUBSPAN_COLLECT_OPT_DISABLE (1<<6)
#define GEN8_4x4_STC_OPTIMIZATION_DISABLE (1<<6)
+#define GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE (1<<1)
#define GEN6_BLITTER_ECOSKPD 0x221d0
#define GEN6_BLITTER_LOCK_SHIFT 16
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 3135192..db83baf 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -925,6 +925,9 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
/* Wa4x4STCOptimizationDisable:skl */
WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE);
+ /* WaDisablePartialResolveInVc:skl */
+ WA_SET_BIT_MASKED(CACHE_MODE_1, GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE);
+
return 0;
}
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