summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/gt/intel_sseu.c
diff options
context:
space:
mode:
authorStuart Summers <stuart.summers@intel.com>2019-08-23 09:03:00 -0700
committerChris Wilson <chris@chris-wilson.co.uk>2019-08-23 19:14:22 +0100
commit49610c377be7f32d948f0970705b4ad015923aa0 (patch)
tree6e491b6d5f8273530985b44925982e64c18e195b /drivers/gpu/drm/i915/gt/intel_sseu.c
parent7a200aad1127e98cbf4da9685f652899598fe357 (diff)
drm/i915: Add EU stride runtime parameter
Add a new SSEU runtime parameter, eu_stride, which is used to mirror the userspace concept of a range of EUs per subslice. This patch simply adds the parameter and updates usage in the QUERY_TOPOLOGY_INFO handler. v2: Add GEM_BUG_ON to make sure eu_stride is valid Signed-off-by: Stuart Summers <stuart.summers@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190823160307.180813-5-stuart.summers@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_sseu.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_sseu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c
index edf39ae132c3..d52686a1afdc 100644
--- a/drivers/gpu/drm/i915/gt/intel_sseu.c
+++ b/drivers/gpu/drm/i915/gt/intel_sseu.c
@@ -17,6 +17,8 @@ void intel_sseu_set_info(struct sseu_dev_info *sseu, u8 max_slices,
sseu->ss_stride = GEN_SSEU_STRIDE(sseu->max_subslices);
GEM_BUG_ON(sseu->ss_stride > GEN_MAX_SUBSLICE_STRIDE);
+ sseu->eu_stride = GEN_SSEU_STRIDE(sseu->max_eus_per_subslice);
+ GEM_BUG_ON(sseu->eu_stride > GEN_MAX_EU_STRIDE);
}
unsigned int