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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h5
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c12
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f11bb213ec07..7720569f2024 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2425,12 +2425,17 @@ enum i915_power_well_id {
#define _3D_CHICKEN _MMIO(0x2084)
#define _3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB (1 << 10)
#define _3D_CHICKEN2 _MMIO(0x208c)
+
+#define FF_SLICE_CHICKEN _MMIO(0x2088)
+#define FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX (1 << 1)
+
/* Disables pipelining of read flushes past the SF-WIZ interface.
* Required on all Ironlake steppings according to the B-Spec, but the
* particular danger of not doing so is not specified.
*/
# define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14)
#define _3D_CHICKEN3 _MMIO(0x2090)
+#define _3D_CHICKEN_SF_PROVOKING_VERTEX_FIX (1 << 12)
#define _3D_CHICKEN_SF_DISABLE_OBJEND_CULL (1 << 10)
#define _3D_CHICKEN3_AA_LINE_QUALITY_FIX_ENABLE (1 << 5)
#define _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL (1 << 5)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f3968580e5e2..7c4c8fb1dae4 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1545,11 +1545,21 @@ static u32 *gen9_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch)
/* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt,glk */
batch = gen8_emit_flush_coherentl3_wa(engine, batch);
+ *batch++ = MI_LOAD_REGISTER_IMM(3);
+
/* WaDisableGatherAtSetShaderCommonSlice:skl,bxt,kbl,glk */
- *batch++ = MI_LOAD_REGISTER_IMM(1);
*batch++ = i915_mmio_reg_offset(COMMON_SLICE_CHICKEN2);
*batch++ = _MASKED_BIT_DISABLE(
GEN9_DISABLE_GATHER_AT_SET_SHADER_COMMON_SLICE);
+
+ /* BSpec: 11391 */
+ *batch++ = i915_mmio_reg_offset(FF_SLICE_CHICKEN);
+ *batch++ = _MASKED_BIT_ENABLE(FF_SLICE_CHICKEN_CL_PROVOKING_VERTEX_FIX);
+
+ /* BSpec: 11299 */
+ *batch++ = i915_mmio_reg_offset(_3D_CHICKEN3);
+ *batch++ = _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_PROVOKING_VERTEX_FIX);
+
*batch++ = MI_NOOP;
/* WaClearSlmSpaceAtContextSwitch:kbl */