Rule out tiling-4 for scan-out buffers

Tiling-4 is not supported by RPL/MBL iGPU and it's possible that frameout buffers are rendered by dGPU while displayed by iGPU. As a workaround, disable tiling-4 for scan-out buffers to support this use case for now. A better solution would be to add a way of tiling negotiation between display GPU in host and virtio-GPU. Tracked-On: OAM-123137 Signed-off-by: Weifeng Liu <[email protected]>
projectceladon · Aug 7, 2024 · c8d6dd4 · c8d6dd4
1 parent a8b8ded
commit c8d6dd4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/i915.c b/i915.c
@@ -462,7 +462,7 @@ static int i915_add_combinations(struct driver *drv)
 				     &metadata_4_tiled, render_not_linear);
 		drv_add_combinations(drv, scanout_render_formats,
 				     ARRAY_SIZE(scanout_render_formats), &metadata_4_tiled,
-				     scanout_and_render_not_linear);
+				     render_not_linear);
                 drv_add_combinations(drv, source_formats, ARRAY_SIZE(source_formats), &metadata_4_tiled,
                                      texture_flags | BO_USE_NON_GPU_HW);