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authorAlex Deucher <alexdeucher@gmail.com>2011-07-15 23:53:52 +0400
committerDave Airlie <airlied@redhat.com>2011-07-18 11:13:08 +0400
commite55b9422e186d208f162f056ee28b6eb6b9b81a9 (patch)
tree1b72616db7d9b2f651b354b11e74287a4910c3b9 /drivers/gpu/drm/radeon/radeon_kms.c
parent28a4a163b561c39ac0c798d420e0927f29e9d4c8 (diff)
downloadlinux-e55b9422e186d208f162f056ee28b6eb6b9b81a9.tar.xz
drm/radeon/kms: add info query for backend map
The 3D driver need to get the pipe to backend map to certain things. Add a query to get the info. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 6f80a216bb39..be2c1224e68a 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -237,6 +237,19 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
case RADEON_INFO_FUSION_GART_WORKING:
value = 1;
break;
+ case RADEON_INFO_BACKEND_MAP:
+ if (rdev->family >= CHIP_CAYMAN)
+ value = rdev->config.cayman.backend_map;
+ else if (rdev->family >= CHIP_CEDAR)
+ value = rdev->config.evergreen.backend_map;
+ else if (rdev->family >= CHIP_RV770)
+ value = rdev->config.rv770.backend_map;
+ else if (rdev->family >= CHIP_R600)
+ value = rdev->config.r600.backend_map;
+ else {
+ return -EINVAL;
+ }
+ break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
return -EINVAL;