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| author |   Alex Deucher <alexdeucher@gmail.com> | 2011-07-15 19:53:52 +0000 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2011-07-18 08:13:08 +0100 |
| commit | e55b9422e186d208f162f056ee28b6eb6b9b81a9 (patch) | |
| tree | 1b72616db7d9b2f651b354b11e74287a4910c3b9 /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | drm: platform multi-device support (diff) | |
| download | linux-dev-e55b9422e186d208f162f056ee28b6eb6b9b81a9.tar.xz linux-dev-e55b9422e186d208f162f056ee28b6eb6b9b81a9.zip | |
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.c | 13 |
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; |