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From: Matt Roper <matthew.d.roper@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Subject: [PATCH 01/15] drm/i915/gen8: Create separate reg definitions for new MCR registers
Date: Wed, 30 Mar 2022 16:28:44 -0700	[thread overview]
Message-ID: <20220330232858.3204283-2-matthew.d.roper@intel.com> (raw)
In-Reply-To: <20220330232858.3204283-1-matthew.d.roper@intel.com>

Gen8 was the first time our hardware had multicast registers (or at
least the first time the multicast nature was exposed and MMIO accesses
could be steered).  There are some registers that transitioned from
singleton behavior to multicast during the gen7 -> gen8 transition;
let's duplicate the register definitions for those registers in
preparation for upcoming patches that will handle MCR registers in a
special manner.

The registers adjusted are:
 * MISCCPCTL
 * SAMPLER_INSTDONE
 * ROW_INSTDONE
 * ROW_CHICKEN2
 * HALF_SLICE_CHICKEN1
 * HALF_SLICE_CHICKEN3

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c     |  8 +++----
 drivers/gpu/drm/i915/gt/intel_gt_regs.h       | 11 +++++++++-
 drivers/gpu/drm/i915/gt/intel_workarounds.c   | 22 +++++++++----------
 .../gpu/drm/i915/gt/uc/intel_guc_capture.c    |  4 ++--
 drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c     |  2 +-
 drivers/gpu/drm/i915/gvt/handlers.c           |  2 +-
 drivers/gpu/drm/i915/gvt/mmio_context.c       |  2 +-
 drivers/gpu/drm/i915/intel_pm.c               | 10 ++++-----
 8 files changed, 35 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 98b61ff13c95..ad9e7e55ce17 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1367,19 +1367,19 @@ void intel_engine_get_instdone(const struct intel_engine_cs *engine,
 			for_each_instdone_gslice_dss_xehp(i915, sseu, iter, slice, subslice) {
 				instdone->sampler[slice][subslice] =
 					read_subslice_reg(engine, slice, subslice,
-							  GEN7_SAMPLER_INSTDONE);
+							  GEN8_SAMPLER_INSTDONE);
 				instdone->row[slice][subslice] =
 					read_subslice_reg(engine, slice, subslice,
-							  GEN7_ROW_INSTDONE);
+							  GEN8_ROW_INSTDONE);
 			}
 		} else {
 			for_each_instdone_slice_subslice(i915, sseu, slice, subslice) {
 				instdone->sampler[slice][subslice] =
 					read_subslice_reg(engine, slice, subslice,
-							  GEN7_SAMPLER_INSTDONE);
+							  GEN8_SAMPLER_INSTDONE);
 				instdone->row[slice][subslice] =
 					read_subslice_reg(engine, slice, subslice,
-							  GEN7_ROW_INSTDONE);
+							  GEN8_ROW_INSTDONE);
 			}
 		}
 
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 17432b075d97..08309745d461 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -622,6 +622,9 @@
 
 #define GEN7_MISCCPCTL				_MMIO(0x9424)
 #define   GEN7_DOP_CLOCK_GATE_ENABLE		(1 << 0)
+
+#define GEN8_MISCCPCTL				_MMIO(0x9424)
+#define   GEN8_DOP_CLOCK_GATE_ENABLE		(1 << 0)
 #define   GEN8_DOP_CLOCK_GATE_CFCLK_ENABLE	(1 << 2)
 #define   GEN8_DOP_CLOCK_GATE_GUC_ENABLE	(1 << 4)
 #define   GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE	(1 << 6)
@@ -1009,18 +1012,22 @@
 #define GEN12_GAM_DONE				_MMIO(0xcf68)
 
 #define GEN7_HALF_SLICE_CHICKEN1		_MMIO(0xe100) /* IVB GT1 + VLV */
+#define GEN8_HALF_SLICE_CHICKEN1		_MMIO(0xe100)
 #define   GEN7_MAX_PS_THREAD_DEP		(8 << 12)
 #define   GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE	(1 << 10)
 #define   GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE	(1 << 4)
 #define   GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE	(1 << 3)
 
 #define GEN7_SAMPLER_INSTDONE			_MMIO(0xe160)
+#define GEN8_SAMPLER_INSTDONE			_MMIO(0xe160)
 #define GEN7_ROW_INSTDONE			_MMIO(0xe164)
+#define GEN8_ROW_INSTDONE			_MMIO(0xe164)
 
 #define HALF_SLICE_CHICKEN2			_MMIO(0xe180)
 #define   GEN8_ST_PO_DISABLE			(1 << 13)
 
-#define HALF_SLICE_CHICKEN3			_MMIO(0xe184)
+#define HSW_HALF_SLICE_CHICKEN3			_MMIO(0xe184)
+#define GEN8_HALF_SLICE_CHICKEN3		_MMIO(0xe184)
 #define   HSW_SAMPLE_C_PERFORMANCE		(1 << 9)
 #define   GEN8_CENTROID_PIXEL_OPT_DIS		(1 << 8)
 #define   GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC	(1 << 5)
@@ -1068,6 +1075,8 @@
 #define   DISABLE_EARLY_EOT			REG_BIT(1)
 
 #define GEN7_ROW_CHICKEN2			_MMIO(0xe4f4)
+
+#define GEN8_ROW_CHICKEN2			_MMIO(0xe4f4)
 #define   GEN12_DISABLE_READ_SUPPRESSION	REG_BIT(15)
 #define   GEN12_DISABLE_EARLY_READ		REG_BIT(14)
 #define   GEN12_ENABLE_LARGE_GRF_MODE		REG_BIT(12)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 29c8cd0a81b6..608ed833307f 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -294,10 +294,10 @@ static void bdw_ctx_workarounds_init(struct intel_engine_cs *engine,
 	 * Also see the related UCGTCL1 write in bdw_init_clock_gating()
 	 * to disable EUTC clock gating.
 	 */
-	wa_masked_en(wal, GEN7_ROW_CHICKEN2,
+	wa_masked_en(wal, GEN8_ROW_CHICKEN2,
 		     DOP_CLOCK_GATING_DISABLE);
 
-	wa_masked_en(wal, HALF_SLICE_CHICKEN3,
+	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
 		     GEN8_SAMPLER_POWER_BYPASS_DIS);
 
 	wa_masked_en(wal, HDC_CHICKEN0,
@@ -385,7 +385,7 @@ static void gen9_ctx_workarounds_init(struct intel_engine_cs *engine,
 	    IS_KABYLAKE(i915) ||
 	    IS_COFFEELAKE(i915) ||
 	    IS_COMETLAKE(i915))
-		wa_masked_en(wal, HALF_SLICE_CHICKEN3,
+		wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN3,
 			     GEN8_SAMPLER_POWER_BYPASS_DIS);
 
 	/* WaDisableSTUnitPowerOptimization:skl,bxt,kbl,glk,cfl */
@@ -489,7 +489,7 @@ static void kbl_ctx_workarounds_init(struct intel_engine_cs *engine,
 			     GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
 
 	/* WaDisableSbeCacheDispatchPortSharing:kbl */
-	wa_masked_en(wal, GEN7_HALF_SLICE_CHICKEN1,
+	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
 		     GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
 }
 
@@ -513,7 +513,7 @@ static void cfl_ctx_workarounds_init(struct intel_engine_cs *engine,
 		     GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
 
 	/* WaDisableSbeCacheDispatchPortSharing:cfl */
-	wa_masked_en(wal, GEN7_HALF_SLICE_CHICKEN1,
+	wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
 		     GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
 }
 
@@ -2046,7 +2046,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 
 	if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) {
 		/* Wa_14013392000:dg2_g11 */
-		wa_masked_en(wal, GEN7_ROW_CHICKEN2, GEN12_ENABLE_LARGE_GRF_MODE);
+		wa_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_ENABLE_LARGE_GRF_MODE);
 
 		/* Wa_16011620976:dg2_g11 */
 		wa_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
@@ -2088,7 +2088,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			    DISABLE_128B_EVICTION_COMMAND_UDW);
 
 		/* Wa_22012856258:dg2 */
-		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
+		wa_masked_en(wal, GEN8_ROW_CHICKEN2,
 			     GEN12_DISABLE_READ_SUPPRESSION);
 
 		/*
@@ -2184,7 +2184,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_ALDERLAKE_P(i915) || IS_ALDERLAKE_S(i915) || IS_DG1(i915) ||
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1606931601:tgl,rkl,dg1,adl-s,adl-p */
-		wa_masked_en(wal, GEN7_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
+		wa_masked_en(wal, GEN8_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
 
 		/*
 		 * Wa_1407928979:tgl A*
@@ -2209,7 +2209,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	    IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
 	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
 		/* Wa_1409804808:tgl,rkl,dg1[a0],adl-s,adl-p */
-		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
+		wa_masked_en(wal, GEN8_ROW_CHICKEN2,
 			     GEN12_PUSH_CONST_DEREF_HOLD_DIS);
 
 		/*
@@ -2376,7 +2376,7 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	if (IS_HASWELL(i915)) {
 		/* WaSampleCChickenBitEnable:hsw */
 		wa_masked_en(wal,
-			     HALF_SLICE_CHICKEN3, HSW_SAMPLE_C_PERFORMANCE);
+			     HSW_HALF_SLICE_CHICKEN3, HSW_SAMPLE_C_PERFORMANCE);
 
 		wa_masked_dis(wal,
 			      CACHE_MODE_0_GEN7,
@@ -2608,7 +2608,7 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
 		wa_write_or(wal, XEHP_L3NODEARBCFG, XEHP_LNESPARE);
 
 		/* Wa_14010449647:xehpsdv */
-		wa_masked_en(wal, GEN7_HALF_SLICE_CHICKEN1,
+		wa_masked_en(wal, GEN8_HALF_SLICE_CHICKEN1,
 			     GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE);
 
 		/* Wa_18011725039:xehpsdv */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
index c4e25966d3e9..7f77e9cdaba4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
@@ -243,8 +243,8 @@ struct __ext_steer_reg {
 };
 
 static const struct __ext_steer_reg xe_extregs[] = {
-	{"GEN7_SAMPLER_INSTDONE", GEN7_SAMPLER_INSTDONE},
-	{"GEN7_ROW_INSTDONE", GEN7_ROW_INSTDONE}
+	{"GEN8_SAMPLER_INSTDONE", GEN8_SAMPLER_INSTDONE},
+	{"GEN8_ROW_INSTDONE", GEN8_ROW_INSTDONE}
 };
 
 static void __fill_ext_reg(struct __guc_mmio_reg_descr *ext,
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index a0372735cddb..9229243992c2 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
@@ -35,7 +35,7 @@ static void guc_prepare_xfer(struct intel_uncore *uncore)
 
 	if (GRAPHICS_VER(uncore->i915) == 9) {
 		/* DOP Clock Gating Enable for GuC clocks */
-		intel_uncore_rmw(uncore, GEN7_MISCCPCTL,
+		intel_uncore_rmw(uncore, GEN8_MISCCPCTL,
 				 0, GEN8_DOP_CLOCK_GATE_GUC_ENABLE);
 
 		/* allows for 5us (in 10ns units) before GT can go to RC6 */
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 0ee3ecc83234..bad1065a99a7 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -2279,7 +2279,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
 	MMIO_DFH(_MMIO(0x2438), D_ALL, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(_MMIO(0x243c), D_ALL, F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(_MMIO(0x7018), D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
-	MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+	MMIO_DFH(HSW_HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
 	MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
 
 	/* display */
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index c85bafe7539e..4be07d627941 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -111,7 +111,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
 	{RCS0, GEN9_SCRATCH_LNCF1, 0, false}, /* 0xb008 */
 	{RCS0, GEN7_HALF_SLICE_CHICKEN1, 0xffff, true}, /* 0xe100 */
 	{RCS0, HALF_SLICE_CHICKEN2, 0xffff, true}, /* 0xe180 */
-	{RCS0, HALF_SLICE_CHICKEN3, 0xffff, true}, /* 0xe184 */
+	{RCS0, HSW_HALF_SLICE_CHICKEN3, 0xffff, true}, /* 0xe184 */
 	{RCS0, GEN9_HALF_SLICE_CHICKEN5, 0xffff, true}, /* 0xe188 */
 	{RCS0, GEN9_HALF_SLICE_CHICKEN7, 0xffff, true}, /* 0xe194 */
 	{RCS0, GEN8_ROW_CHICKEN, 0xffff, true}, /* 0xe4f0 */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 641616135955..43a2c95602c0 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7416,8 +7416,8 @@ static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv,
 	u32 val;
 
 	/* WaTempDisableDOPClkGating:bdw */
-	misccpctl = intel_uncore_read(&dev_priv->uncore, GEN7_MISCCPCTL);
-	intel_uncore_write(&dev_priv->uncore, GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE);
+	misccpctl = intel_uncore_read(&dev_priv->uncore, GEN8_MISCCPCTL);
+	intel_uncore_write(&dev_priv->uncore, GEN8_MISCCPCTL, misccpctl & ~GEN8_DOP_CLOCK_GATE_ENABLE);
 
 	val = intel_uncore_read(&dev_priv->uncore, GEN8_L3SQCREG1);
 	val &= ~L3_PRIO_CREDITS_MASK;
@@ -7431,7 +7431,7 @@ static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv,
 	 */
 	intel_uncore_posting_read(&dev_priv->uncore, GEN8_L3SQCREG1);
 	udelay(1);
-	intel_uncore_write(&dev_priv->uncore, GEN7_MISCCPCTL, misccpctl);
+	intel_uncore_write(&dev_priv->uncore, GEN8_MISCCPCTL, misccpctl);
 }
 
 static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
@@ -7579,8 +7579,8 @@ static void skl_init_clock_gating(struct drm_i915_private *dev_priv)
 	gen9_init_clock_gating(dev_priv);
 
 	/* WaDisableDopClockGating:skl */
-	intel_uncore_write(&dev_priv->uncore, GEN7_MISCCPCTL, intel_uncore_read(&dev_priv->uncore, GEN7_MISCCPCTL) &
-		   ~GEN7_DOP_CLOCK_GATE_ENABLE);
+	intel_uncore_write(&dev_priv->uncore, GEN8_MISCCPCTL, intel_uncore_read(&dev_priv->uncore, GEN8_MISCCPCTL) &
+		   ~GEN8_DOP_CLOCK_GATE_ENABLE);
 
 	/* WAC6entrylatency:skl */
 	intel_uncore_write(&dev_priv->uncore, FBC_LLC_READ_CTRL, intel_uncore_read(&dev_priv->uncore, FBC_LLC_READ_CTRL) |
-- 
2.34.1


  reply	other threads:[~2022-03-30 23:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-30 23:28 [PATCH 00/15] i915: Explicit handling of multicast registers Matt Roper
2022-03-30 23:28 ` Matt Roper [this message]
2022-03-30 23:28 ` [PATCH 02/15] drm/i915/xehp: Create separate reg definitions for new MCR registers Matt Roper
2022-03-30 23:28 ` [PATCH 03/15] drm/i915/gt: Drop a few unused register definitions Matt Roper
2022-03-30 23:28 ` [PATCH 04/15] drm/i915/gt: Correct prefix on a few registers Matt Roper
2022-03-30 23:28 ` [PATCH 05/15] drm/i915/xehp: Check for faults on all mslices Matt Roper
2022-03-30 23:28 ` [PATCH 06/15] drm/i915: Drop duplicated definition of XEHPSDV_FLAT_CCS_BASE_ADDR Matt Roper
2022-03-30 23:28 ` [PATCH 07/15] drm/i915: Move XEHPSDV_TILE0_ADDR_RANGE to GT register header Matt Roper
2022-03-30 23:28 ` [PATCH 08/15] drm/i915: Define MCR registers explicitly Matt Roper
2022-03-30 23:28 ` [PATCH 09/15] drm/i915/gt: Move multicast register handling to a dedicated file Matt Roper
2022-03-30 23:28 ` [PATCH 10/15] drm/i915/gt: Cleanup interface for MCR operations Matt Roper
2022-03-30 23:28 ` [PATCH 11/15] drm/i915/gt: Always use MCR functions on multicast registers Matt Roper
2022-03-30 23:28 ` [PATCH 12/15] drm/i915/guc: Handle save/restore of MCR registers explicitly Matt Roper
2022-03-30 23:28 ` [PATCH 13/15] drm/i915/gt: Add MCR-specific workaround initializers Matt Roper
2022-03-30 23:28 ` [PATCH 14/15] drm/i915: Define multicast registers as a new type Matt Roper
2022-04-01  7:55   ` [Intel-gfx] " Tvrtko Ursulin
2022-04-04 21:12     ` Matt Roper
2022-03-30 23:28 ` [PATCH 15/15] drm/i915/xehp: Eliminate shared/implicit steering Matt Roper
2022-03-31 17:35   ` [Intel-gfx] " Tvrtko Ursulin
2022-04-04 21:35     ` Matt Roper
2022-04-07 12:25       ` Tvrtko Ursulin
2022-04-01  8:34   ` Tvrtko Ursulin
2022-04-04 21:42     ` Matt Roper
2022-04-07 12:30       ` Tvrtko Ursulin

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