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drm/radeon/cik: Return backend map information to userspace
authorMichel Dänzer <michel.daenzer@amd.com>
Mon, 18 Nov 2013 09:25:59 +0000 (18:25 +0900)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 18 Nov 2013 14:18:58 +0000 (09:18 -0500)
This is required to properly calculate the tiling parameters
in userspace.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/radeon_kms.c patch | blob | blame | history

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index bb8710531a1bede0b88e6e3957884ba5273991d3..fa42c81da50097833aa94b6420e75022502b0671 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -340,7 +340,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
                break;
        case RADEON_INFO_BACKEND_MAP:
                if (rdev->family >= CHIP_BONAIRE)
-                       return -EINVAL;
+                       *value = rdev->config.cik.backend_map;
                else if (rdev->family >= CHIP_TAHITI)
                        *value = rdev->config.si.backend_map;
                else if (rdev->family >= CHIP_CAYMAN)