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radv/sdma: use multiple commands if required

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Instead of failing the copy we can use multiple chunks.

This codepath shouldn't really be used since the source
image should usually be tiled but it still better to not
fail when possible.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24771>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2023-08-18 11:57:27 +02:00 • committed by Marge Bot
parent ca25d5f846
commit c707cb51e5
1 changed files with 18 additions and 10 deletions
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28
src/amd/vulkan/radv_sdma_copy_image.c
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@ -22,6 +22,7 @@
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "util/macros.h"
#include "util/u_memory.h"
#include "radv_cs.h"
#include "radv_private.h"
@ -41,21 +42,28 @@ radv_sdma_v4_v5_copy_image_to_buffer(struct radv_device *device, struct radeon_c
/* Linear -> linear sub-window copy. */
if (image->planes[0].surface.is_linear) {
ASSERTED unsigned cdw_max = radeon_check_space(device->ws, cs, 7);
uint64_t bytes = (uint64_t)src_pitch * copy_height * bpp;
uint32_t chunk_size = 1u << 22;
uint32_t chunk_count = DIV_ROUND_UP(bytes, chunk_size);
if (!(bytes < (1u << 22)))
return false;
ASSERTED unsigned cdw_max = radeon_check_space(device->ws, cs, 7 * chunk_count);
src_address += image->planes[0].surface.u.gfx9.offset[0];
radeon_emit(cs, CIK_SDMA_PACKET(CIK_SDMA_OPCODE_COPY, CIK_SDMA_COPY_SUB_OPCODE_LINEAR, (tmz ? 4 : 0)));
radeon_emit(cs, bytes - 1);
radeon_emit(cs, 0);
radeon_emit(cs, src_address);
radeon_emit(cs, src_address >> 32);
radeon_emit(cs, dst_address);
radeon_emit(cs, dst_address >> 32);
for (int i = 0; i < chunk_count; i++) {
uint32_t size = MIN2(chunk_size, bytes);
radeon_emit(cs, CIK_SDMA_PACKET(CIK_SDMA_OPCODE_COPY, CIK_SDMA_COPY_SUB_OPCODE_LINEAR, (tmz ? 4 : 0)));
radeon_emit(cs, size - 1);
radeon_emit(cs, 0);
radeon_emit(cs, src_address);
radeon_emit(cs, src_address >> 32);
radeon_emit(cs, dst_address);
radeon_emit(cs, dst_address >> 32);
src_address += size;
dst_address += size;
bytes -= size;
}
assert(cs->cdw <= cdw_max);