[PATCH] drm/i915/gt: Use hw_engine_masks as reset_domains

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We need a way to reset engines by their reset domains.
This change sets up way to fetch reset domains of each
engine globally.

Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c    | 24 +++++++++++++++
 drivers/gpu/drm/i915/gt/intel_engine_types.h |  1 +
 drivers/gpu/drm/i915/gt/intel_gt_types.h     |  1 +
 drivers/gpu/drm/i915/gt/intel_reset.c        | 31 +++-----------------
 4 files changed, 30 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index f2ccd5b53d42..6a9046aaf04a 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -325,6 +325,7 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id,
 	engine->id = id;
 	engine->legacy_idx = INVALID_ENGINE;
 	engine->mask = BIT(id);
+	engine->reset_domain = gt->engine_reset_domains[id];
 	engine->i915 = i915;
 	engine->gt = gt;
 	engine->uncore = gt->uncore;
@@ -643,6 +644,29 @@ int intel_engines_init_mmio(struct intel_gt *gt)
 	if (i915_inject_probe_failure(i915))
 		return -ENODEV;
 
+	if (GRAPHICS_VER(gt->i915) >= 11) {
+		gt->engine_reset_domains[RCS0] = GEN11_GRDOM_RENDER;
+		gt->engine_reset_domains[BCS0] = GEN11_GRDOM_BLT;
+		gt->engine_reset_domains[VCS0] = GEN11_GRDOM_MEDIA;
+		gt->engine_reset_domains[VCS1] = GEN11_GRDOM_MEDIA2;
+		gt->engine_reset_domains[VCS2] = GEN11_GRDOM_MEDIA3;
+		gt->engine_reset_domains[VCS3] = GEN11_GRDOM_MEDIA4;
+		gt->engine_reset_domains[VCS4] = GEN11_GRDOM_MEDIA5;
+		gt->engine_reset_domains[VCS5] = GEN11_GRDOM_MEDIA6;
+		gt->engine_reset_domains[VCS6] = GEN11_GRDOM_MEDIA7;
+		gt->engine_reset_domains[VCS7] = GEN11_GRDOM_MEDIA8;
+		gt->engine_reset_domains[VECS0] = GEN11_GRDOM_VECS;
+		gt->engine_reset_domains[VECS1] = GEN11_GRDOM_VECS2;
+		gt->engine_reset_domains[VECS2] = GEN11_GRDOM_VECS3;
+		gt->engine_reset_domains[VECS3] = GEN11_GRDOM_VECS4;
+	} else {
+		gt->engine_reset_domains[RCS0] = GEN6_GRDOM_RENDER;
+		gt->engine_reset_domains[BCS0] = GEN6_GRDOM_BLT;
+		gt->engine_reset_domains[VCS0] = GEN6_GRDOM_MEDIA;
+		gt->engine_reset_domains[VCS1] = GEN8_GRDOM_MEDIA2;
+		gt->engine_reset_domains[VECS0] = GEN6_GRDOM_VECS;
+	}
+
 	for (class = 0; class < MAX_ENGINE_CLASS + 1; ++class) {
 		setup_logical_ids(gt, logical_ids, class);
 
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 5732e0d71513..1faf0e02866d 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -318,6 +318,7 @@ struct intel_engine_cs {
 	unsigned int guc_id;
 
 	intel_engine_mask_t mask;
+	intel_engine_mask_t reset_domain;
 	/**
 	 * @logical_mask: logical mask of engine, reported to user space via
 	 * query IOCTL and used to communicate with the GuC in logical space.
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 14216cc471b1..1d9b65aefb02 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -153,6 +153,7 @@ struct intel_gt {
 	} stats;
 
 	struct intel_engine_cs *engine[I915_NUM_ENGINES];
+	u32 engine_reset_domains[I915_NUM_ENGINES];
 	struct intel_engine_cs *engine_class[MAX_ENGINE_CLASS + 1]
 					    [MAX_ENGINE_INSTANCE + 1];
 	enum intel_submission_method submission_method;
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 0fbd6dbadce7..e4e30f16db8e 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -297,13 +297,6 @@ static int gen6_reset_engines(struct intel_gt *gt,
 			      intel_engine_mask_t engine_mask,
 			      unsigned int retry)
 {
-	static const u32 hw_engine_mask[] = {
-		[RCS0]  = GEN6_GRDOM_RENDER,
-		[BCS0]  = GEN6_GRDOM_BLT,
-		[VCS0]  = GEN6_GRDOM_MEDIA,
-		[VCS1]  = GEN8_GRDOM_MEDIA2,
-		[VECS0] = GEN6_GRDOM_VECS,
-	};
 	struct intel_engine_cs *engine;
 	u32 hw_mask;
 
@@ -314,8 +307,8 @@ static int gen6_reset_engines(struct intel_gt *gt,
 
 		hw_mask = 0;
 		for_each_engine_masked(engine, gt, engine_mask, tmp) {
-			GEM_BUG_ON(engine->id >= ARRAY_SIZE(hw_engine_mask));
-			hw_mask |= hw_engine_mask[engine->id];
+			GEM_BUG_ON(engine->id >= I915_NUM_ENGINES);
+			hw_mask |= engine->reset_domain;
 		}
 	}
 
@@ -492,22 +485,6 @@ static int gen11_reset_engines(struct intel_gt *gt,
 			       intel_engine_mask_t engine_mask,
 			       unsigned int retry)
 {
-	static const u32 hw_engine_mask[] = {
-		[RCS0]  = GEN11_GRDOM_RENDER,
-		[BCS0]  = GEN11_GRDOM_BLT,
-		[VCS0]  = GEN11_GRDOM_MEDIA,
-		[VCS1]  = GEN11_GRDOM_MEDIA2,
-		[VCS2]  = GEN11_GRDOM_MEDIA3,
-		[VCS3]  = GEN11_GRDOM_MEDIA4,
-		[VCS4]  = GEN11_GRDOM_MEDIA5,
-		[VCS5]  = GEN11_GRDOM_MEDIA6,
-		[VCS6]  = GEN11_GRDOM_MEDIA7,
-		[VCS7]  = GEN11_GRDOM_MEDIA8,
-		[VECS0] = GEN11_GRDOM_VECS,
-		[VECS1] = GEN11_GRDOM_VECS2,
-		[VECS2] = GEN11_GRDOM_VECS3,
-		[VECS3] = GEN11_GRDOM_VECS4,
-	};
 	struct intel_engine_cs *engine;
 	intel_engine_mask_t tmp;
 	u32 reset_mask, unlock_mask = 0;
@@ -518,8 +495,8 @@ static int gen11_reset_engines(struct intel_gt *gt,
 	} else {
 		reset_mask = 0;
 		for_each_engine_masked(engine, gt, engine_mask, tmp) {
-			GEM_BUG_ON(engine->id >= ARRAY_SIZE(hw_engine_mask));
-			reset_mask |= hw_engine_mask[engine->id];
+			GEM_BUG_ON(engine->id >= I915_NUM_ENGINES);
+			reset_mask |= engine->reset_domain;
 			ret = gen11_lock_sfc(engine, &reset_mask, &unlock_mask);
 			if (ret)
 				goto sfc_unlock;
-- 
2.31.1




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