On Mon, Mar 20, 2023 at 1:38 PM Alex Deucher <alexander.deucher@xxxxxxx> wrote:
Add UAPI to query the GFX shadow buffer requirements
for preemption on GFX11. UMDs need to specify the shadow
areas for preemption.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
include/uapi/drm/amdgpu_drm.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 3d9474af6566..19a806145371 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -886,6 +886,7 @@ struct drm_amdgpu_cs_chunk_cp_gfx_shadow {
#define AMDGPU_INFO_VIDEO_CAPS_DECODE 0
/* Subquery id: Encode */
#define AMDGPU_INFO_VIDEO_CAPS_ENCODE 1
+#define AMDGPU_INFO_CP_GFX_SHADOW_SIZE 0x22
Can you put this into the device structure instead? Let's minimize the number of kernel queries as much as possible.
Thanks,
Marek
