summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_dma.c
diff options
context:
space:
mode:
authorNeil Roberts <neil@linux.intel.com>2015-03-04 14:41:16 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-03-17 22:29:54 +0100
commit27cd44618b92fc8c6889e4628407791e45422bac (patch)
tree277a7e4cbc67622124050d46496a0294ae3ce099 /drivers/gpu/drm/i915/i915_dma.c
parent10634189fc50d30c7269e3e1af167608f7aebcfc (diff)
drm/i915: Add I915_PARAM_REVISION
Adds a parameter which can be used with DRM_I915_GETPARAM to query the GPU revision. The intention is to use this in Mesa to implement the WaDisableSIMD16On3SrcInstr workaround on Skylake but only for revision 2. Signed-off-by: Neil Roberts <neil@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 053e1788f578..3b64c526b6b9 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -68,6 +68,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
case I915_PARAM_CHIPSET_ID:
value = dev->pdev->device;
break;
+ case I915_PARAM_REVISION:
+ value = dev->pdev->revision;
+ break;
case I915_PARAM_HAS_GEM:
value = 1;
break;