drm/radeon/kms: add info query for max pipes
The maximum number of pipes is needed by the user space compute
driver to calculate the number of wavefronts per thread group.
Signed-off-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index cb2f0c3..6cde931 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -962,6 +962,8 @@
#define RADEON_INFO_VA_START 0x0e
/* maximum size of ib using the virtual memory cs */
#define RADEON_INFO_IB_VM_MAX_SIZE 0x0f
+/* max pipes - needed for compute shaders */
+#define RADEON_INFO_MAX_PIPES 0x10
struct drm_radeon_info {
uint32_t request;