diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_sseu.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_sseu.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index 1505042d7b5d..74f793423231 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -32,6 +32,20 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu) return total; } +u32 intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice) +{ + int i, offset = slice * sseu->ss_stride; + u32 mask = 0; + + GEM_BUG_ON(slice >= sseu->max_slices); + + for (i = 0; i < sseu->ss_stride; i++) + mask |= (u32)sseu->subslice_mask[offset + i] << + i * BITS_PER_BYTE; + + return mask; +} + void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, u32 ss_mask) { @@ -43,7 +57,7 @@ void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice) { - return hweight8(sseu->subslice_mask[slice]); + return hweight32(intel_sseu_get_subslices(sseu, slice)); } u32 intel_sseu_make_rpcs(struct drm_i915_private *i915, |