radeonsi: clear allocator_zeroed_memory with SDMA

so that it can be used in parallel IBs.

This also removes the SO_FILLED_SIZE hack.

Reviewed-by: Nicolai Hähnle <[email protected]>

4 files changed, 9 insertions, 12 deletions

diff --git a/src/gallium/drivers/radeonsi/si_buffer.c b/src/gallium/drivers/radeonsi/si_buffer.c
index 03c11cb7013..bac561de2cb 100644
--- a/src/gallium/drivers/radeonsi/si_buffer.c
+++ b/src/gallium/drivers/radeonsi/si_buffer.c
@@ -242,6 +242,10 @@ bool si_alloc_resource(struct si_screen *sscreen,
 			res->gpu_address, res->gpu_address + res->buf->size,
 			res->buf->size);
 	}
+
+	if (res->b.b.flags & SI_RESOURCE_FLAG_CLEAR)
+		si_screen_clear_buffer(sscreen, &res->b.b, 0, res->bo_size, 0);
+
 	return true;
 }
 
diff --git a/src/gallium/drivers/radeonsi/si_compute_blit.c b/src/gallium/drivers/radeonsi/si_compute_blit.c
index 1ea0d7517df..f5e9c02dd10 100644
--- a/src/gallium/drivers/radeonsi/si_compute_blit.c
+++ b/src/gallium/drivers/radeonsi/si_compute_blit.c
@@ -275,15 +275,8 @@ static void si_pipe_clear_buffer(struct pipe_context *ctx,
 				 const void *clear_value,
 				 int clear_value_size)
 {
-	enum si_coherency coher;
-
-	if (dst->flags & SI_RESOURCE_FLAG_SO_FILLED_SIZE)
-		coher = SI_COHERENCY_CP;
-	else
-		coher = SI_COHERENCY_SHADER;
-
 	si_clear_buffer((struct si_context*)ctx, dst, offset, size, (uint32_t*)clear_value,
-			clear_value_size, coher);
+			clear_value_size, SI_COHERENCY_SHADER);
 }
 
 void si_copy_buffer(struct si_context *sctx,
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 439b550c4cf..98059ddbf8b 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -430,9 +430,9 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 	}
 
 	sctx->allocator_zeroed_memory =
-			u_suballocator_create(&sctx->b, sscreen->info.gart_page_size,
-					      0, PIPE_USAGE_DEFAULT,
-					      SI_RESOURCE_FLAG_SO_FILLED_SIZE, true);
+		u_suballocator_create(&sctx->b, sscreen->info.gart_page_size,
+				      0, PIPE_USAGE_DEFAULT,
+				      SI_RESOURCE_FLAG_CLEAR, false);
 	if (!sctx->allocator_zeroed_memory)
 		goto fail;
 
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 1af3c5ff9b7..b01d5744752 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -109,7 +109,7 @@
 #define SI_RESOURCE_FLAG_UNMAPPABLE	(PIPE_RESOURCE_FLAG_DRV_PRIV << 4)
 #define SI_RESOURCE_FLAG_READ_ONLY	(PIPE_RESOURCE_FLAG_DRV_PRIV << 5)
 #define SI_RESOURCE_FLAG_32BIT		(PIPE_RESOURCE_FLAG_DRV_PRIV << 6)
-#define SI_RESOURCE_FLAG_SO_FILLED_SIZE	(PIPE_RESOURCE_FLAG_DRV_PRIV << 7)
+#define SI_RESOURCE_FLAG_CLEAR		(PIPE_RESOURCE_FLAG_DRV_PRIV << 7)
 
 enum si_clear_code
 {