diff options
| author | Tom Stellard <tstellar@gmail.com> | 2012-03-21 01:17:55 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-03-21 10:55:49 +0400 |
| commit | 609c1e15a44c25f722fb93e18668da30179a172f (patch) | |
| tree | 4fb8f7faf5d5bb5e7df05b4fd04d4028ba702152 /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | da0df92b57311aa1b26a2a90599ed16e1e968b90 (diff) | |
| download | linux-609c1e15a44c25f722fb93e18668da30179a172f.tar.xz | |
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>
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 1986ebae1ef2..72d70eb04a17 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -264,6 +264,19 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; value = RADEON_IB_VM_MAX_SIZE; break; + case RADEON_INFO_MAX_PIPES: + if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_pipes_per_simd; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.max_pipes; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.max_pipes; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.max_pipes; + else { + return -EINVAL; + } + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; |