From: Clint Taylor <clinton.a.tay...@intel.com>
Enable HW Default flip for small PL.
bspec: 52890
bspec: 53508
bspec: 53273
v2: rebase to drm-tip
v3: move from ctx to gt workarounds. Remove whitelist.
Cc: Matt Atwood <matthew.s.atw...@intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: José Roberto de Souza <jose.so...@intel.com>
Signed-off-by: Clint Taylor <clinton.a.tay...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index a3f72b75c61e..0aecb97fd41c 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1211,6 +1211,9 @@ gen12_gt_workarounds_init(struct drm_i915_private *i915,
struct i915_wa_list *wal)
{
wa_init_mcr(i915, wal);
+
+ /* Wa_1406941453:gen12 */
+ WA_SET_BIT_MASKED(GEN10_SAMPLER_MODE, ENABLE_SMALLPL);
}
static void
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ac691927e29d..ab4b1abd4364 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9315,6 +9315,7 @@ 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 */
--
2.28.0
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