drm/radeon/kms/r6xx+: add query for tile config (v2)
Userspace needs this information to access tiled
buffers via the CPU.
v2: rebased on evergreen accel changes
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 70fda63..9012e6f 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -147,6 +147,18 @@
case RADEON_INFO_ACCEL_WORKING2:
value = rdev->accel_working;
break;
+ case RADEON_INFO_TILING_CONFIG:
+ if (rdev->family >= CHIP_CEDAR)
+ value = rdev->config.evergreen.tile_config;
+ else if (rdev->family >= CHIP_RV770)
+ value = rdev->config.rv770.tile_config;
+ else if (rdev->family >= CHIP_R600)
+ value = rdev->config.r600.tile_config;
+ else {
+ DRM_DEBUG("tiling config is r6xx+ only!\n");
+ return -EINVAL;
+ }
+ break;
default:
DRM_DEBUG("Invalid request %d\n", info->request);
return -EINVAL;