[Intel-gfx] [PATCH v2 36/50] drm/i915/adl_p: Add initial ADL_P Workarounds

Matt Roper matthew.d.roper at intel.com
Thu Mar 25 18:07:06 UTC 2021


From: Anusha Srivatsa <anusha.srivatsa at intel.com>

Most of the context WA are already implemented for previous platforms.
Adding adl_p platform tag to reflect so.

BSpec: 54369
Cc: Matt Roper <matthew.d.roper at intel.com>
Cc: Aditya Swarup <aditya.swarup at intel.com>
Cc: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep at intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
Cc: José Roberto de Souza <jose.souza at intel.com>
Cc: Swathi Dhanavanthri <swathi.dhanavanthri at intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dpll_mgr.c |  2 +-
 drivers/gpu/drm/i915/gt/gen8_engine_cs.c      |  4 +-
 drivers/gpu/drm/i915/gt/intel_workarounds.c   | 59 +++++++++++--------
 drivers/gpu/drm/i915/intel_pm.c               |  8 ++-
 4 files changed, 43 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 1ae158d12c07..268ecf1c000f 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2650,7 +2650,7 @@ ehl_combo_pll_div_frac_wa_needed(struct drm_i915_private *i915)
 {
 	return ((IS_PLATFORM(i915, INTEL_ELKHARTLAKE) &&
 		 IS_JSL_EHL_REVID(i915, EHL_REVID_B0, REVID_FOREVER)) ||
-		 IS_TIGERLAKE(i915)) &&
+		 IS_TIGERLAKE(i915) || IS_ALDERLAKE_P(i915)) &&
 		 i915->dpll.ref_clks.nssc == 38400;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
index 4b69ede3485d..6d449f494e43 100644
--- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
@@ -208,7 +208,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
 		flags |= PIPE_CONTROL_FLUSH_L3;
 		flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
 		flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
-		/* Wa_1409600907:tgl */
+		/* Wa_1409600907:tgl,adl_p */
 		flags |= PIPE_CONTROL_DEPTH_STALL;
 		flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
 		flags |= PIPE_CONTROL_FLUSH_ENABLE;
@@ -625,7 +625,7 @@ u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs)
 				       PIPE_CONTROL_FLUSH_L3 |
 				       PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
 				       PIPE_CONTROL_DEPTH_CACHE_FLUSH |
-				       /* Wa_1409600907:tgl */
+				       /* Wa_1409600907:tgl,adl_p */
 				       PIPE_CONTROL_DEPTH_STALL |
 				       PIPE_CONTROL_DC_FLUSH_ENABLE |
 				       PIPE_CONTROL_FLUSH_ENABLE);
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index bb2357119792..d3167ff4ca6b 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -650,15 +650,16 @@ static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,
 				       struct i915_wa_list *wal)
 {
 	/*
-	 * Wa_1409142259:tgl
-	 * Wa_1409347922:tgl
-	 * Wa_1409252684:tgl
-	 * Wa_1409217633:tgl
-	 * Wa_1409207793:tgl
-	 * Wa_1409178076:tgl
-	 * Wa_1408979724:tgl
-	 * Wa_14010443199:rkl
-	 * Wa_14010698770:rkl
+	 * Wa_1409142259:tgl, adl_p
+	 * Wa_1409347922:tgl, adl_p
+	 * Wa_1409252684:tgl, adl_p
+	 * Wa_1409217633:tgl, adl_p
+	 * Wa_1409207793:tgl, adl_p
+	 * Wa_1409178076:tgl, adl_p
+	 * Wa_1408979724:tgl, adl_p
+	 * Wa_14010443199:rkl, adl_p
+	 * Wa_14010698770:rkl, adl_p
+	 * Wa_1409342910: adl_p
 	 */
 	wa_masked_en(wal, GEN11_COMMON_SLICE_CHICKEN3,
 		     GEN12_DISABLE_CPS_AWARE_COLOR_PIPE);
@@ -1644,31 +1645,32 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1606931601:tgl,rkl,dg1,adl-s */
 		wa_masked_en(wal, GEN7_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
+	}
+
+	if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) || IS_DG1(i915) ||
+	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
+		/*
+		 * Wa_1606700617:tgl,dg1,adlp
+		 * Wa_22010271021:tgl,rkl,dg1,adls,adlp
+		 * Wa_14010826681: tgl,dg1
+		 */
+		wa_masked_en(wal,
+			     GEN9_CS_DEBUG_MODE1,
+			     FF_DOP_CLOCK_GATE_DISABLE);
 
 		/*
 		 * Wa_1407928979:tgl A*
 		 * Wa_18011464164:tgl[B0+],dg1[B0+]
 		 * Wa_22010931296:tgl[B0+],dg1[B0+]
-		 * Wa_14010919138:rkl,dg1,adl-s
+		 * Wa_14010919138:rkl,dg1,adl-s,adl-p
 		 */
 		wa_write_or(wal, GEN7_FF_THREAD_MODE,
 			    GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
-
-		/*
-		 * Wa_1606700617:tgl,dg1
-		 * Wa_22010271021:tgl,rkl,dg1, adl-s
-		 */
-		wa_masked_en(wal,
-			     GEN9_CS_DEBUG_MODE1,
-			     FF_DOP_CLOCK_GATE_DISABLE);
 	}
 
-	if (IS_ALDERLAKE_S(i915) || IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0) ||
+	if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) ||
+	    IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0) ||
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
-		/* Wa_1409804808:tgl,rkl,dg1[a0],adl-s */
-		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
-			     GEN12_PUSH_CONST_DEREF_HOLD_DIS);
-
 		/*
 		 * Wa_1409085225:tgl
 		 * Wa_14010229206:tgl,rkl,dg1[a0],adl-s
@@ -1682,7 +1684,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		/*
 		 * Wa_1607030317:tgl
 		 * Wa_1607186500:tgl
-		 * Wa_1607297627:tgl,rkl,dg1[a0]
+		 * Wa_1607297627:tgl,rkl,dg1[a0],adl-p
 		 *
 		 * On TGL and RKL there are multiple entries for this WA in the
 		 * BSpec; some indicate this is an A0-only WA, others indicate
@@ -1695,6 +1697,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			     GEN8_RC_SEMA_IDLE_MSG_DISABLE);
 	}
 
+
 	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1406941453:tgl,rkl,dg1 */
 		wa_masked_en(wal,
@@ -1702,6 +1705,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			     ENABLE_SMALLPL);
 	}
 
+	if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) ||
+	    IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0) ||
+	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
+		/* Wa_1409804808:tgl,rkl,dg1[a0],adl-s,adl-p */
+		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
+			     GEN12_PUSH_CONST_DEREF_HOLD_DIS);
+	}
+
 	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/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 60d7df1ac362..b22af4774ef0 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7368,15 +7368,17 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
 static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv)
 {
 	/* Wa_1409120013:tgl,rkl,adl_s,dg1 */
-	intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN,
-			   ILK_DPFC_CHICKEN_COMP_DUMMY_PIXEL);
+	if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv) ||
+	    IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv))
+		intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN,
+				   ILK_DPFC_CHICKEN_COMP_DUMMY_PIXEL);
 
 	/* Wa_1409825376:tgl (pre-prod)*/
 	if (IS_TGL_DISP_STEPPING(dev_priv, STEP_A0, STEP_B1))
 		intel_uncore_write(&dev_priv->uncore, GEN9_CLKGATE_DIS_3, intel_uncore_read(&dev_priv->uncore, GEN9_CLKGATE_DIS_3) |
 			   TGL_VRH_GATING_DIS);
 
-	/* Wa_14011059788:tgl,rkl,adl_s,dg1 */
+	/* Wa_14011059788:tgl,rkl,adl_s,dg1,adl_p */
 	intel_uncore_rmw(&dev_priv->uncore, GEN10_DFR_RATIO_EN_AND_CHICKEN,
 			 0, DFR_DISABLE);
 }
-- 
2.25.4



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