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From: Lucas De Marchi <lucas.demarchi@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v2 31/32] drm/i915/dg1: Add initial DG1 workarounds
Date: Wed, 17 Jun 2020 17:42:39 -0700	[thread overview]
Message-ID: <20200618004240.16263-32-lucas.demarchi@intel.com> (raw)
In-Reply-To: <20200618004240.16263-1-lucas.demarchi@intel.com>

From: Stuart Summers <stuart.summers@intel.com>

DG1 shares some workarounds with TGL and RKL and also has some
additional workarounds of its own.

Media power gating should not be applied so we just set it to
nop_init_clock_gating().

BSpec: 53508

Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 .../drm/i915/display/intel_display_power.c    |  5 +-
 drivers/gpu/drm/i915/display/intel_sprite.c   |  4 +-
 drivers/gpu/drm/i915/gt/intel_workarounds.c   | 91 ++++++++++++++++---
 drivers/gpu/drm/i915/i915_reg.h               | 10 +-
 drivers/gpu/drm/i915/intel_pm.c               | 17 +++-
 5 files changed, 105 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 5dc62e6068f24..3a016abd80c53 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5462,8 +5462,9 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
 	unsigned long abox_mask = INTEL_INFO(dev_priv)->abox_mask;
 	int config, i;
 
-	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
-		/* Wa_1409767108: tgl */
+	if (IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0) ||
+	    IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
+		/* Wa_1409767108:tgl,dg1 */
 		table = wa_1409767108_buddy_page_masks;
 	else
 		table = tgl_buddy_page_masks;
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index 63ac79f88fa21..ba03f2459d9b5 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -2842,8 +2842,8 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
 static bool gen12_plane_supports_mc_ccs(struct drm_i915_private *dev_priv,
 					enum plane_id plane_id)
 {
-	/* Wa_14010477008:tgl[a0..c0],rkl[all] */
-	if (IS_ROCKETLAKE(dev_priv) ||
+	/* Wa_14010477008:tgl[a0..c0],rkl[all],dg1[all] */
+	if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv) ||
 	    IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_C0))
 		return false;
 
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 741710ca2b9a5..5a9772011d335 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -641,6 +641,20 @@ static void tgl_ctx_workarounds_init(struct intel_engine_cs *engine,
 	       0);
 }
 
+static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
+				     struct i915_wa_list *wal)
+{
+	gen12_ctx_workarounds_init(engine, wal);
+
+	/* Wa_1409044764 */
+	WA_CLR_BIT_MASKED(GEN11_COMMON_SLICE_CHICKEN3,
+			  DG1_FLOAT_POINT_BLEND_OPT_STRICT_MODE_EN);
+
+	/* Wa_22010493298 */
+	WA_SET_BIT_MASKED(HIZ_CHICKEN,
+			  DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE);
+}
+
 static void
 __intel_engine_init_ctx_wa(struct intel_engine_cs *engine,
 			   struct i915_wa_list *wal,
@@ -653,7 +667,9 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine,
 
 	wa_init_start(wal, name, engine->name);
 
-	if (IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915))
+	if (IS_DG1(i915))
+		dg1_ctx_workarounds_init(engine, wal);
+	else if (IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915))
 		tgl_ctx_workarounds_init(engine, wal);
 	else if (IS_GEN(i915, 12))
 		gen12_ctx_workarounds_init(engine, wal);
@@ -1213,10 +1229,30 @@ tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
 			    L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
 }
 
+static void
+dg1_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
+{
+	gen12_gt_workarounds_init(i915, wal);
+
+	/* Wa_1607087056:dg1 */
+	if (IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0))
+		wa_write_or(wal,
+			    SLICE_UNIT_LEVEL_CLKGATE,
+			    L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
+
+	/* Wa_1409420604:dg1 */
+	if (IS_DG1(i915))
+		wa_write_or(wal,
+			    SUBSLICE_UNIT_LEVEL_CLKGATE2,
+			    CPSSUNIT_CLKGATE_DIS);
+}
+
 static void
 gt_init_workarounds(struct drm_i915_private *i915, struct i915_wa_list *wal)
 {
-	if (IS_TIGERLAKE(i915))
+	if (IS_DG1(i915))
+		dg1_gt_workarounds_init(i915, wal);
+	else if (IS_TIGERLAKE(i915))
 		tgl_gt_workarounds_init(i915, wal);
 	else if (IS_GEN(i915, 12))
 		gen12_gt_workarounds_init(i915, wal);
@@ -1581,6 +1617,20 @@ static void tgl_whitelist_build(struct intel_engine_cs *engine)
 	}
 }
 
+static void dg1_whitelist_build(struct intel_engine_cs *engine)
+{
+	struct i915_wa_list *w = &engine->whitelist;
+
+	tgl_whitelist_build(engine);
+
+	/* GEN:BUG:1409280441:dg1 */
+	if (IS_DG1_REVID(engine->i915, DG1_REVID_A0, DG1_REVID_A0) &&
+	    (engine->class == RENDER_CLASS ||
+	     engine->class == COPY_ENGINE_CLASS))
+		whitelist_reg_ext(w, RING_ID(engine->mmio_base),
+				  RING_FORCE_TO_NONPRIV_ACCESS_RD);
+}
+
 void intel_engine_init_whitelist(struct intel_engine_cs *engine)
 {
 	struct drm_i915_private *i915 = engine->i915;
@@ -1588,7 +1638,9 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine)
 
 	wa_init_start(w, "whitelist", engine->name);
 
-	if (IS_GEN(i915, 12))
+	if (IS_DG1(i915))
+		dg1_whitelist_build(engine);
+	else if (IS_GEN(i915, 12))
 		tgl_whitelist_build(engine);
 	else if (IS_GEN(i915, 11))
 		icl_whitelist_build(engine);
@@ -1642,15 +1694,18 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 {
 	struct drm_i915_private *i915 = engine->i915;
 
-	if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) {
+	if (IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0) ||
+	    IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) {
 		/*
-		 * Wa_1607138336:tgl
-		 * Wa_1607063988:tgl
+		 * Wa_1607138336:tgl[a0],dg1[a0]
+		 * Wa_1607063988:tgl[a0],dg1[a0]
 		 */
 		wa_write_or(wal,
 			    GEN9_CTX_PREEMPT_REG,
 			    GEN12_DISABLE_POSH_BUSY_FF_DOP_CG);
+	}
 
+	if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) {
 		/*
 		 * Wa_1606679103:tgl
 		 * (see also Wa_1606682166:icl)
@@ -1663,32 +1718,40 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		wa_write_or(wal,
 			    GEN7_FF_THREAD_MODE,
 			    GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
+	}
 
-		/* Wa_1408615072:tgl */
+	if (IS_DG1(i915) || IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) {
+		/* Wa_1408615072:tgl[a0],dg1 */
 		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
 			    VSUNIT_CLKGATE_DIS_TGL);
 	}
 
-	if (IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
-		/* Wa_1606931601:tgl,rkl */
+	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
+		/* Wa_1606931601:tgl,rkl,dg1 */
 		wa_masked_en(wal, GEN7_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
+	}
 
-		/* Wa_1409804808:tgl,rkl */
+	if (IS_DG1_REVID(i915, DG1_REVID_A0, DG1_REVID_A0) ||
+	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
+		/* Wa_1409804808:tgl,rkl,dg1[a0] */
 		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
 			     GEN12_PUSH_CONST_DEREF_HOLD_DIS);
 
 		/*
 		 * Wa_1409085225:tgl
-		 * Wa_14010229206:tgl,rkl
+		 * Wa_14010229206:tgl,rkl,dg1[a0]
 		 */
 		wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
 
 		/*
 		 * Wa_1607030317:tgl
 		 * Wa_1607186500:tgl
-		 * Wa_1607297627:tgl,rkl there are multiple entries for this
-		 * WA in the BSpec; some indicate this is an A0-only WA,
-		 * others indicate it applies to all steppings.
+		 * Wa_1607297627:tgl,rkl,dg1[a0]
+		 *
+		 * On TGL and RKL there are multiple entries for this WA in the
+		 * BSpec; some indicate this is an A0-only WA, others indicate
+		 * it applies to all steppings so we trust the "all steppings."
+		 * For DG1 this only applies to A0.
 		 */
 		wa_masked_en(wal,
 			     GEN6_RC_SLEEP_PSMI_CONTROL,
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 34ed419283a70..0fd6aed908cde 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2530,6 +2530,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define RING_PSMI_CTL(base)	_MMIO((base) + 0x50)
 #define RING_MAX_IDLE(base)	_MMIO((base) + 0x54)
 #define RING_HWS_PGA(base)	_MMIO((base) + 0x80)
+#define RING_ID(base)		_MMIO((base) + 0x8c)
 #define RING_HWS_PGA_GEN6(base)	_MMIO((base) + 0x2080)
 #define RING_RESET_CTL(base)	_MMIO((base) + 0xd0)
 #define   RESET_CTL_CAT_ERROR	   REG_BIT(2)
@@ -4144,6 +4145,7 @@ enum {
 
 #define GEN9_CLKGATE_DIS_3		_MMIO(0x46538)
 #define   TGL_VRH_GATING_DIS		REG_BIT(31)
+#define   DPT_GATING_DIS		REG_BIT(22)
 
 #define GEN9_CLKGATE_DIS_4		_MMIO(0x4653C)
 #define   BXT_GMBUS_GATING_DIS		(1 << 14)
@@ -7959,12 +7961,14 @@ enum {
 #define GEN8_L3CNTLREG	_MMIO(0x7034)
   #define GEN8_ERRDETBCTRL (1 << 9)
 
-#define GEN11_COMMON_SLICE_CHICKEN3		_MMIO(0x7304)
-  #define GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC	(1 << 11)
-  #define GEN12_DISABLE_CPS_AWARE_COLOR_PIPE	(1 << 9)
+#define GEN11_COMMON_SLICE_CHICKEN3			_MMIO(0x7304)
+  #define DG1_FLOAT_POINT_BLEND_OPT_STRICT_MODE_EN	REG_BIT(12)
+  #define GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC		REG_BIT(11)
+  #define GEN12_DISABLE_CPS_AWARE_COLOR_PIPE		REG_BIT(9)
 
 #define HIZ_CHICKEN					_MMIO(0x7018)
 # define CHV_HZ_8X8_MODE_IN_1X				(1 << 15)
+# define DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE   (1 << 14)
 # define BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE	(1 << 3)
 
 #define GEN9_SLICE_COMMON_ECO_CHICKEN0		_MMIO(0x7308)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 2a32d62307954..77bf1a8c285b3 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7123,6 +7123,19 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv)
 			 0, DFR_DISABLE);
 }
 
+static void dg1_init_clock_gating(struct drm_i915_private *dev_priv)
+{
+	/*
+	 * As opposed to TGL, we should not touch the registers for  media power
+	 * gating
+	 */
+
+	/* Wa_14010096844:dg1[a0] */
+	if (IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0))
+		I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) |
+			   DPT_GATING_DIS);
+}
+
 static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_PCH_CNP(dev_priv))
@@ -7499,7 +7512,9 @@ static void nop_init_clock_gating(struct drm_i915_private *dev_priv)
  */
 void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
 {
-	if (IS_GEN(dev_priv, 12))
+	if (IS_DG1(dev_priv))
+		dev_priv->display.init_clock_gating = dg1_init_clock_gating;
+	else if (IS_GEN(dev_priv, 12))
 		dev_priv->display.init_clock_gating = tgl_init_clock_gating;
 	else if (IS_GEN(dev_priv, 11))
 		dev_priv->display.init_clock_gating = icl_init_clock_gating;
-- 
2.26.2

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  parent reply	other threads:[~2020-06-18  0:43 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18  0:42 [Intel-gfx] [PATCH v2 00/32] Introduce DG1 Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 01/32] drm/i915/rkl: Handle new DPCLKA_CFGCR0 layout Lucas De Marchi
2020-06-23 23:40   ` Souza, Jose
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 02/32] drm/i915/rkl: Add DPLL4 support Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 03/32] drm/i915/rkl: Handle HTI Lucas De Marchi
2020-06-23 23:56   ` Souza, Jose
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 04/32] drm/i915/rkl: Add initial workarounds Lucas De Marchi
2020-06-24  0:13   ` Souza, Jose
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 05/32] drm/i915/rkl: Add Wa_14011224835 for PHY B initialization Lucas De Marchi
2020-06-24  0:07   ` Souza, Jose
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 06/32] drm/i915: Add has_master_unit_irq flag Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 07/32] drm/i915/dg1: add initial DG-1 definitions Lucas De Marchi
2020-06-22  7:51   ` Daniel Vetter
2020-06-22  9:55     ` Jani Nikula
2020-06-23  4:54       ` Dave Airlie
2020-06-23  6:17         ` Daniel Vetter
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 08/32] drm/i915/dg1: Add DG1 PCI IDs Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 09/32] drm/i915/dg1: add support for the master unit interrupt Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 10/32] drm/i915/dg1: Remove SHPD_FILTER_CNT register programming Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 11/32] drm/i915/dg1: Add fake PCH Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 12/32] drm/i915/dg1: Initialize RAWCLK properly Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 13/32] drm/i915/dg1: Define MOCS table for DG1 Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 14/32] drm/i915/dg1: Add DG1 power wells Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 15/32] drm/i915/dg1: Increase mmio size to 4MB Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 16/32] drm/i915/dg1: Wait for pcode/uncore handshake at startup Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 17/32] drm/i915/dg1: Add DPLL macros for DG1 Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 18/32] drm/i915/dg1: Add and setup DPLLs " Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 19/32] drm/i915/dg1: Enable DPLL " Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 20/32] drm/i915/dg1: add hpd interrupt handling Lucas De Marchi
2020-06-22 18:35   ` Imre Deak
2020-06-22 20:43     ` Lucas De Marchi
2020-06-22 20:54       ` Imre Deak
2020-06-22 21:59         ` Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 21/32] drm/i915/dg1: invert HPD pins Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 22/32] drm/i915/dg1: gmbus pin mapping Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 23/32] drm/i915/dg1: Enable first 2 ports for DG1 Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 24/32] drm/i915/dg1: Don't program PHY_MISC for PHY-C and PHY-D Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 25/32] drm/i915/dg1: Update comp master/slave relationships for PHYs Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 26/32] drm/i915/dg1: Update voltage swing tables for DP Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 27/32] drm/i915/dg1: provide port/phy mapping for vbt Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 28/32] drm/i915/dg1: map/unmap pll clocks Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 29/32] drm/i915/dg1: enable PORT C/D aka D/E Lucas De Marchi
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 30/32] drm/i915/dg1: Load DMC Lucas De Marchi
2020-06-18  0:42 ` Lucas De Marchi [this message]
2020-06-18  0:42 ` [Intel-gfx] [PATCH v2 32/32] drm/i915/dg1: DG1 does not support DC6 Lucas De Marchi
2020-06-18  0:56 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Introduce DG1 (rev2) Patchwork
2020-06-18  0:57 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-06-18  1:18 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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