From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
Enable HW Default flip for small PL.
bspec: 52890
bspec: 53508
bspec: 53273
v2: rebase to drm-tip
Reviewed-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 ++++++
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index cef1c122696f..cb02813c5e92 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -639,6 +639,9 @@ static void tgl_ctx_workarounds_init(struct intel_engine_cs *engine,
FF_MODE2_GS_TIMER_MASK | FF_MODE2_TDS_TIMER_MASK,
FF_MODE2_GS_TIMER_224 | FF_MODE2_TDS_TIMER_128,
0);
+
+ /* Wa_1406941453:gen12 */
+ WA_SET_BIT_MASKED(GEN10_SAMPLER_MODE, ENABLE_SMALLPL);
}
static void
@@ -1522,6 +1525,9 @@ static void icl_whitelist_build(struct intel_engine_cs *engine)
whitelist_reg_ext(w, PS_INVOCATION_COUNT,
RING_FORCE_TO_NONPRIV_ACCESS_RD |
RING_FORCE_TO_NONPRIV_RANGE_4);
+
+ /* Wa_1406941453:gen12 */
+ whitelist_reg(w, GEN10_SAMPLER_MODE);
break;
case VIDEO_DECODE_CLASS:
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2b403df03404..494b2e1e358e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9314,6 +9314,7 @@ enum {
#define GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC (1 << 7)
#define GEN10_SAMPLER_MODE _MMIO(0xE18C)
+#define ENABLE_SMALLPL REG_BIT(15)
#define GEN11_SAMPLER_ENABLE_HEADLESS_MSG REG_BIT(5)
/* IVYBRIDGE DPF */
--
2.27.0
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