diff options
| author | Michel Thierry <[email protected]> | 2019-07-25 17:02:26 -0700 |
|---|---|---|
| committer | Lucas De Marchi <[email protected]> | 2019-09-19 09:03:59 -0700 |
| commit | 7f0cc34b5349cfb2867358737b3338cb2fcbc354 (patch) | |
| tree | e4039418f6c08a4006669e0b4c5bda5f767bef84 | |
| parent | 1c757497096f55d2e037462bfcdfed50877b4cf5 (diff) | |
drm/i915/tgl: Implement Wa_1406941453
Enable Small PL for power benefit.
Signed-off-by: Michel Thierry <[email protected]>
Signed-off-by: Lucas De Marchi <[email protected]>
Reviewed-by: Stuart Summers <[email protected]>
Reviewed-by: Radhakrishna Sripada <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index ba65e5018978..25ae60846398 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1260,6 +1260,13 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) { struct drm_i915_private *i915 = engine->i915; + if (IS_GEN(i915, 12)) { + /* Wa_1406941453:tgl */ + wa_masked_en(wal, + SAMPLER_MODE, + SAMPLER_ENABLE_SMALL_PL); + } + if (IS_GEN(i915, 11)) { /* This is not an Wa. Enable for better image quality */ wa_masked_en(wal, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f8f52ae6cc6f..5e3a6178aff4 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8965,6 +8965,9 @@ enum { #define GEN9_DG_MIRROR_FIX_ENABLE (1 << 5) #define GEN9_CCS_TLB_PREFETCH_ENABLE (1 << 3) +#define SAMPLER_MODE _MMIO(0xe18c) +#define SAMPLER_ENABLE_SMALL_PL (1 << 15) + #define GEN8_ROW_CHICKEN _MMIO(0xe4f0) #define FLOW_CONTROL_ENABLE (1 << 15) #define PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE (1 << 8) |