diff options
author | Robert Bragg <robert@sixbynine.org> | 2017-06-13 14:23:00 +0300 |
---|---|---|
committer | Ben Widawsky <ben@bwidawsk.net> | 2017-06-14 22:31:57 +0300 |
commit | f532023381df49ac00cb2d1e70df607cf534720d (patch) | |
tree | b5813cf263ffbb024f3d3cf024ef593e76fbe930 /drivers/gpu/drm/i915/i915_drv.c | |
parent | 7fed555c02f754af44f8963890b5ef8e30e97391 (diff) | |
download | linux-f532023381df49ac00cb2d1e70df607cf534720d.tar.xz |
drm/i915: expose _SUBSLICE_MASK GETPARM
Assuming a uniform mask across all slices, this enables userspace to
determine the specific sub slices can be enabled. This information is
required, for example, to be able to analyse some OA counter reports
where the counter configuration depends on the HW sub slice
configuration.
Signed-off-by: Robert Bragg <robert@sixbynine.org>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index d503612a7fc1..a534412a5551 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -379,6 +379,11 @@ static int i915_getparam(struct drm_device *dev, void *data, if (!value) return -ENODEV; break; + case I915_PARAM_SUBSLICE_MASK: + value = INTEL_INFO(dev_priv)->sseu.subslice_mask; + if (!value) + return -ENODEV; + break; default: DRM_DEBUG("Unknown parameter %d\n", param->param); return -EINVAL; |