[Intel-gfx] [PATCH v7 1/9] drm/i915/gt: use engine instance directly for offset

Ramalingam C ramalingam.c at intel.com
Mon Mar 28 19:07:28 UTC 2022


To make it uniform across copy and clear, use the engine offset directly
to calculate the offset in the cmd forming for emit_clear.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_migrate.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c
index 20444d6ceb3c..9e6c98a17441 100644
--- a/drivers/gpu/drm/i915/gt/intel_migrate.c
+++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
@@ -614,15 +614,13 @@ intel_context_migrate_copy(struct intel_context *ce,
 	return err;
 }
 
-static int emit_clear(struct i915_request *rq, u64 offset, int size, u32 value)
+static int emit_clear(struct i915_request *rq, u32 offset, int size, u32 value)
 {
 	const int ver = GRAPHICS_VER(rq->engine->i915);
 	u32 *cs;
 
 	GEM_BUG_ON(size >> PAGE_SHIFT > S16_MAX);
 
-	offset += (u64)rq->engine->instance << 32;
-
 	cs = intel_ring_begin(rq, ver >= 8 ? 8 : 6);
 	if (IS_ERR(cs))
 		return PTR_ERR(cs);
@@ -632,17 +630,16 @@ static int emit_clear(struct i915_request *rq, u64 offset, int size, u32 value)
 		*cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE;
 		*cs++ = 0;
 		*cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4;
-		*cs++ = lower_32_bits(offset);
-		*cs++ = upper_32_bits(offset);
+		*cs++ = offset;
+		*cs++ = rq->engine->instance;
 		*cs++ = value;
 		*cs++ = MI_NOOP;
 	} else {
-		GEM_BUG_ON(upper_32_bits(offset));
 		*cs++ = XY_COLOR_BLT_CMD | BLT_WRITE_RGBA | (6 - 2);
 		*cs++ = BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | PAGE_SIZE;
 		*cs++ = 0;
 		*cs++ = size >> PAGE_SHIFT << 16 | PAGE_SIZE / 4;
-		*cs++ = lower_32_bits(offset);
+		*cs++ = offset;
 		*cs++ = value;
 	}
 
-- 
2.20.1



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