radeonsi: use SDMA for initial clearing of DCC/CMASK/HTILE on CIK-VI

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index a319845..9a8dda7 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -1351,13 +1351,12 @@
 }
 
 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
-			      uint64_t offset, uint64_t size, unsigned value,
-			      enum r600_coherency coher)
+			      uint64_t offset, uint64_t size, unsigned value)
 {
 	struct r600_common_context *rctx = (struct r600_common_context*)rscreen->aux_context;
 
 	pipe_mutex_lock(rscreen->aux_context_lock);
-	rctx->clear_buffer(&rctx->b, dst, offset, size, value, coher);
+	rctx->dma_clear_buffer(&rctx->b, dst, offset, size, value);
 	rscreen->aux_context->flush(rscreen->aux_context, NULL, 0);
 	pipe_mutex_unlock(rscreen->aux_context_lock);
 }
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index da4b63c..2bb622a 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -723,8 +723,7 @@
 bool r600_extra_shader_checks(struct r600_common_screen *rscreen,
 			      unsigned processor);
 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
-			      uint64_t offset, uint64_t size, unsigned value,
-			      enum r600_coherency coher);
+			      uint64_t offset, uint64_t size, unsigned value);
 struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
 						  const struct pipe_resource *templ);
 const char *r600_get_llvm_processor_name(enum radeon_family family);
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 259ff36..cba4e7d 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -890,7 +890,7 @@
 	} else {
 		r600_screen_clear_buffer(rscreen, &rtex->htile_buffer->b.b,
 					 0, rtex->surface.htile_size,
-					 clear_value, R600_COHERENCY_NONE);
+					 clear_value);
 	}
 }
 
@@ -1105,7 +1105,7 @@
 		/* Initialize the cmask to 0xCC (= compressed state). */
 		r600_screen_clear_buffer(rscreen, &rtex->cmask_buffer->b.b,
 					 rtex->cmask.offset, rtex->cmask.size,
-					 0xCCCCCCCC, R600_COHERENCY_NONE);
+					 0xCCCCCCCC);
 	}
 
 	/* Initialize DCC only if the texture is not being imported. */
@@ -1113,7 +1113,7 @@
 		r600_screen_clear_buffer(rscreen, &rtex->resource.b.b,
 					 rtex->dcc_offset,
 					 rtex->surface.dcc_size,
-					 0xFFFFFFFF, R600_COHERENCY_NONE);
+					 0xFFFFFFFF);
 	}
 
 	/* Initialize the CMASK base register value. */