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| author | Marek Olšák <marek.olsak@amd.com> | 2013-12-22 02:18:01 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-12-23 10:03:43 -0500 |
| commit | 439a1cfffe2c1a06e5a6394ccd5d18a8e89b15d3 (patch) | |
| tree | 0c7fd49c562fffb10256ade2af353f3774fbaaa8 /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | 9fadb352ed73edd7801a280b552d33a6040c8721 (diff) | |
| download | talos-op-linux-439a1cfffe2c1a06e5a6394ccd5d18a8e89b15d3.tar.gz talos-op-linux-439a1cfffe2c1a06e5a6394ccd5d18a8e89b15d3.zip | |
drm/radeon: expose render backend mask to the userspace
This will allow userspace to correctly program the PA_SC_RASTER_CONFIG
register, so it can be considered a fix.
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 55d0b474bd37..21d593c0ecaf 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -461,6 +461,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) case RADEON_INFO_SI_CP_DMA_COMPUTE: *value = 1; break; + case RADEON_INFO_SI_BACKEND_ENABLED_MASK: + if (rdev->family >= CHIP_BONAIRE) { + *value = rdev->config.cik.backend_enable_mask; + } else if (rdev->family >= CHIP_TAHITI) { + *value = rdev->config.si.backend_enable_mask; + } else { + DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); + } + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; |
