[CI 06/33] drm/i915: Make i915_check_and_clear_faults take intel_gt

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From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Continuing the conversion and elimination of implicit dev_priv.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Suggested-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c |   4 +-
 drivers/gpu/drm/i915/gt/intel_gt.c        | 130 ++++++++++++++++++++++
 drivers/gpu/drm/i915/gt/intel_gt.h        |   5 +
 drivers/gpu/drm/i915/gt/intel_reset.c     | 126 +--------------------
 drivers/gpu/drm/i915/gt/intel_reset.h     |   2 -
 drivers/gpu/drm/i915/i915_drv.c           |   2 +-
 drivers/gpu/drm/i915/i915_gem_gtt.c       |   5 +-
 7 files changed, 144 insertions(+), 130 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 7fd33e81c2d9..c548f6d1c1a6 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -28,6 +28,8 @@
 
 #include "i915_drv.h"
 
+#include "gt/intel_gt.h"
+
 #include "intel_engine.h"
 #include "intel_engine_pm.h"
 #include "intel_context.h"
@@ -453,7 +455,7 @@ int intel_engines_init_mmio(struct drm_i915_private *i915)
 
 	RUNTIME_INFO(i915)->num_engines = hweight32(mask);
 
-	i915_check_and_clear_faults(i915);
+	intel_gt_check_and_clear_faults(&i915->gt);
 
 	intel_setup_engine_capabilities(i915);
 
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index f760c2e0253e..5c9be38713db 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -7,6 +7,7 @@
 
 #include "intel_gt.h"
 #include "intel_gt_pm.h"
+#include "intel_uncore.h"
 
 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
 {
@@ -20,3 +21,132 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
 
 	intel_gt_pm_init_early(gt);
 }
+
+static void rmw_set(struct intel_uncore *uncore, i915_reg_t reg, u32 set)
+{
+	intel_uncore_rmw(uncore, reg, 0, set);
+}
+
+static void rmw_clear(struct intel_uncore *uncore, i915_reg_t reg, u32 clr)
+{
+	intel_uncore_rmw(uncore, reg, clr, 0);
+}
+
+static void clear_register(struct intel_uncore *uncore, i915_reg_t reg)
+{
+	intel_uncore_rmw(uncore, reg, 0, 0);
+}
+
+static void gen8_clear_engine_error_register(struct intel_engine_cs *engine)
+{
+	GEN6_RING_FAULT_REG_RMW(engine, RING_FAULT_VALID, 0);
+	GEN6_RING_FAULT_REG_POSTING_READ(engine);
+}
+
+void
+intel_gt_clear_error_registers(struct intel_gt *gt,
+			       intel_engine_mask_t engine_mask)
+{
+	struct drm_i915_private *i915 = gt->i915;
+	struct intel_uncore *uncore = gt->uncore;
+	u32 eir;
+
+	if (!IS_GEN(i915, 2))
+		clear_register(uncore, PGTBL_ER);
+
+	if (INTEL_GEN(i915) < 4)
+		clear_register(uncore, IPEIR(RENDER_RING_BASE));
+	else
+		clear_register(uncore, IPEIR_I965);
+
+	clear_register(uncore, EIR);
+	eir = intel_uncore_read(uncore, EIR);
+	if (eir) {
+		/*
+		 * some errors might have become stuck,
+		 * mask them.
+		 */
+		DRM_DEBUG_DRIVER("EIR stuck: 0x%08x, masking\n", eir);
+		rmw_set(uncore, EMR, eir);
+		intel_uncore_write(uncore, GEN2_IIR,
+				   I915_MASTER_ERROR_INTERRUPT);
+	}
+
+	if (INTEL_GEN(i915) >= 8) {
+		rmw_clear(uncore, GEN8_RING_FAULT_REG, RING_FAULT_VALID);
+		intel_uncore_posting_read(uncore, GEN8_RING_FAULT_REG);
+	} else if (INTEL_GEN(i915) >= 6) {
+		struct intel_engine_cs *engine;
+		enum intel_engine_id id;
+
+		for_each_engine_masked(engine, i915, engine_mask, id)
+			gen8_clear_engine_error_register(engine);
+	}
+}
+
+static void gen6_check_faults(struct intel_gt *gt)
+{
+	struct intel_engine_cs *engine;
+	enum intel_engine_id id;
+	u32 fault;
+
+	for_each_engine(engine, gt->i915, id) {
+		fault = GEN6_RING_FAULT_REG_READ(engine);
+		if (fault & RING_FAULT_VALID) {
+			DRM_DEBUG_DRIVER("Unexpected fault\n"
+					 "\tAddr: 0x%08lx\n"
+					 "\tAddress space: %s\n"
+					 "\tSource ID: %d\n"
+					 "\tType: %d\n",
+					 fault & PAGE_MASK,
+					 fault & RING_FAULT_GTTSEL_MASK ?
+					 "GGTT" : "PPGTT",
+					 RING_FAULT_SRCID(fault),
+					 RING_FAULT_FAULT_TYPE(fault));
+		}
+	}
+}
+
+static void gen8_check_faults(struct intel_gt *gt)
+{
+	struct intel_uncore *uncore = gt->uncore;
+	u32 fault = intel_uncore_read(uncore, GEN8_RING_FAULT_REG);
+
+	if (fault & RING_FAULT_VALID) {
+		u32 fault_data0, fault_data1;
+		u64 fault_addr;
+
+		fault_data0 = intel_uncore_read(uncore, GEN8_FAULT_TLB_DATA0);
+		fault_data1 = intel_uncore_read(uncore, GEN8_FAULT_TLB_DATA1);
+		fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
+			     ((u64)fault_data0 << 12);
+
+		DRM_DEBUG_DRIVER("Unexpected fault\n"
+				 "\tAddr: 0x%08x_%08x\n"
+				 "\tAddress space: %s\n"
+				 "\tEngine ID: %d\n"
+				 "\tSource ID: %d\n"
+				 "\tType: %d\n",
+				 upper_32_bits(fault_addr),
+				 lower_32_bits(fault_addr),
+				 fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
+				 GEN8_RING_FAULT_ENGINE_ID(fault),
+				 RING_FAULT_SRCID(fault),
+				 RING_FAULT_FAULT_TYPE(fault));
+	}
+}
+
+void intel_gt_check_and_clear_faults(struct intel_gt *gt)
+{
+	struct drm_i915_private *i915 = gt->i915;
+
+	/* From GEN8 onwards we only have one 'All Engine Fault Register' */
+	if (INTEL_GEN(i915) >= 8)
+		gen8_check_faults(gt);
+	else if (INTEL_GEN(i915) >= 6)
+		gen6_check_faults(gt);
+	else
+		return;
+
+	intel_gt_clear_error_registers(gt, ALL_ENGINES);
+}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index 0dd218e53368..033713b684bf 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -6,10 +6,15 @@
 #ifndef __INTEL_GT__
 #define __INTEL_GT__
 
+#include "intel_engine_types.h"
 #include "intel_gt_types.h"
 
 struct drm_i915_private;
 
 void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
 
+void intel_gt_check_and_clear_faults(struct intel_gt *gt);
+void intel_gt_clear_error_registers(struct intel_gt *gt,
+				    intel_engine_mask_t engine_mask);
+
 #endif /* __INTEL_GT_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 4c478b38e420..5297b3acb56d 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -15,6 +15,7 @@
 #include "i915_gpu_error.h"
 #include "i915_irq.h"
 #include "intel_engine_pm.h"
+#include "intel_gt.h"
 #include "intel_gt_pm.h"
 #include "intel_reset.h"
 
@@ -25,16 +26,6 @@
 /* XXX How to handle concurrent GGTT updates using tiling registers? */
 #define RESET_UNDER_STOP_MACHINE 0
 
-static void rmw_set(struct intel_uncore *uncore, i915_reg_t reg, u32 set)
-{
-	intel_uncore_rmw(uncore, reg, 0, set);
-}
-
-static void rmw_clear(struct intel_uncore *uncore, i915_reg_t reg, u32 clr)
-{
-	intel_uncore_rmw(uncore, reg, clr, 0);
-}
-
 static void rmw_set_fw(struct intel_uncore *uncore, i915_reg_t reg, u32 set)
 {
 	intel_uncore_rmw_fw(uncore, reg, 0, set);
@@ -1157,119 +1148,6 @@ static void i915_reset_device(struct drm_i915_private *i915,
 		kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event);
 }
 
-static void clear_register(struct intel_uncore *uncore, i915_reg_t reg)
-{
-	intel_uncore_rmw(uncore, reg, 0, 0);
-}
-
-static void gen8_clear_engine_error_register(struct intel_engine_cs *engine)
-{
-	GEN6_RING_FAULT_REG_RMW(engine, RING_FAULT_VALID, 0);
-	GEN6_RING_FAULT_REG_POSTING_READ(engine);
-}
-
-static void clear_error_registers(struct drm_i915_private *i915,
-				  intel_engine_mask_t engine_mask)
-{
-	struct intel_uncore *uncore = &i915->uncore;
-	u32 eir;
-
-	if (!IS_GEN(i915, 2))
-		clear_register(uncore, PGTBL_ER);
-
-	if (INTEL_GEN(i915) < 4)
-		clear_register(uncore, IPEIR(RENDER_RING_BASE));
-	else
-		clear_register(uncore, IPEIR_I965);
-
-	clear_register(uncore, EIR);
-	eir = intel_uncore_read(uncore, EIR);
-	if (eir) {
-		/*
-		 * some errors might have become stuck,
-		 * mask them.
-		 */
-		DRM_DEBUG_DRIVER("EIR stuck: 0x%08x, masking\n", eir);
-		rmw_set(uncore, EMR, eir);
-		intel_uncore_write(uncore, GEN2_IIR,
-				   I915_MASTER_ERROR_INTERRUPT);
-	}
-
-	if (INTEL_GEN(i915) >= 8) {
-		rmw_clear(uncore, GEN8_RING_FAULT_REG, RING_FAULT_VALID);
-		intel_uncore_posting_read(uncore, GEN8_RING_FAULT_REG);
-	} else if (INTEL_GEN(i915) >= 6) {
-		struct intel_engine_cs *engine;
-		enum intel_engine_id id;
-
-		for_each_engine_masked(engine, i915, engine_mask, id)
-			gen8_clear_engine_error_register(engine);
-	}
-}
-
-static void gen6_check_faults(struct drm_i915_private *dev_priv)
-{
-	struct intel_engine_cs *engine;
-	enum intel_engine_id id;
-	u32 fault;
-
-	for_each_engine(engine, dev_priv, id) {
-		fault = GEN6_RING_FAULT_REG_READ(engine);
-		if (fault & RING_FAULT_VALID) {
-			DRM_DEBUG_DRIVER("Unexpected fault\n"
-					 "\tAddr: 0x%08lx\n"
-					 "\tAddress space: %s\n"
-					 "\tSource ID: %d\n"
-					 "\tType: %d\n",
-					 fault & PAGE_MASK,
-					 fault & RING_FAULT_GTTSEL_MASK ? "GGTT" : "PPGTT",
-					 RING_FAULT_SRCID(fault),
-					 RING_FAULT_FAULT_TYPE(fault));
-		}
-	}
-}
-
-static void gen8_check_faults(struct drm_i915_private *dev_priv)
-{
-	u32 fault = I915_READ(GEN8_RING_FAULT_REG);
-
-	if (fault & RING_FAULT_VALID) {
-		u32 fault_data0, fault_data1;
-		u64 fault_addr;
-
-		fault_data0 = I915_READ(GEN8_FAULT_TLB_DATA0);
-		fault_data1 = I915_READ(GEN8_FAULT_TLB_DATA1);
-		fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) |
-			     ((u64)fault_data0 << 12);
-
-		DRM_DEBUG_DRIVER("Unexpected fault\n"
-				 "\tAddr: 0x%08x_%08x\n"
-				 "\tAddress space: %s\n"
-				 "\tEngine ID: %d\n"
-				 "\tSource ID: %d\n"
-				 "\tType: %d\n",
-				 upper_32_bits(fault_addr),
-				 lower_32_bits(fault_addr),
-				 fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT",
-				 GEN8_RING_FAULT_ENGINE_ID(fault),
-				 RING_FAULT_SRCID(fault),
-				 RING_FAULT_FAULT_TYPE(fault));
-	}
-}
-
-void i915_check_and_clear_faults(struct drm_i915_private *i915)
-{
-	/* From GEN8 onwards we only have one 'All Engine Fault Register' */
-	if (INTEL_GEN(i915) >= 8)
-		gen8_check_faults(i915);
-	else if (INTEL_GEN(i915) >= 6)
-		gen6_check_faults(i915);
-	else
-		return;
-
-	clear_error_registers(i915, ALL_ENGINES);
-}
-
 /**
  * i915_handle_error - handle a gpu error
  * @i915: i915 device private
@@ -1318,7 +1196,7 @@ void i915_handle_error(struct drm_i915_private *i915,
 
 	if (flags & I915_ERROR_CAPTURE) {
 		i915_capture_error_state(i915, engine_mask, msg);
-		clear_error_registers(i915, engine_mask);
+		intel_gt_clear_error_registers(&i915->gt, engine_mask);
 	}
 
 	/*
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h
index 580ebdb59eca..03fba0ab3868 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.h
+++ b/drivers/gpu/drm/i915/gt/intel_reset.h
@@ -25,8 +25,6 @@ void i915_handle_error(struct drm_i915_private *i915,
 		       const char *fmt, ...);
 #define I915_ERROR_CAPTURE BIT(0)
 
-void i915_check_and_clear_faults(struct drm_i915_private *i915);
-
 void i915_reset(struct drm_i915_private *i915,
 		intel_engine_mask_t stalled_mask,
 		const char *reason);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 4f3f2ca110f7..fe46781fa714 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2351,7 +2351,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
 
 	intel_uncore_resume_early(&dev_priv->uncore);
 
-	i915_check_and_clear_faults(dev_priv);
+	intel_gt_check_and_clear_faults(&dev_priv->gt);
 
 	if (INTEL_GEN(dev_priv) >= 11 || IS_GEN9_LP(dev_priv)) {
 		gen9_sanitize_dc_state(dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 6b49da2d8101..3dd82516236d 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -36,6 +36,7 @@
 #include <drm/i915_drm.h>
 
 #include "display/intel_frontbuffer.h"
+#include "gt/intel_gt.h"
 
 #include "i915_drv.h"
 #include "i915_scatterlist.h"
@@ -2307,7 +2308,7 @@ void i915_gem_suspend_gtt_mappings(struct drm_i915_private *dev_priv)
 	if (INTEL_GEN(dev_priv) < 6)
 		return;
 
-	i915_check_and_clear_faults(dev_priv);
+	intel_gt_check_and_clear_faults(&dev_priv->gt);
 
 	ggtt->vm.clear_range(&ggtt->vm, 0, ggtt->vm.total);
 
@@ -3616,7 +3617,7 @@ void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv)
 	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	struct i915_vma *vma, *vn;
 
-	i915_check_and_clear_faults(dev_priv);
+	intel_gt_check_and_clear_faults(&dev_priv->gt);
 
 	mutex_lock(&ggtt->vm.mutex);
 
-- 
2.20.1

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