diff options
| author | Stuart Summers <stuart.summers@intel.com> | 2019-08-23 09:02:59 -0700 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-23 19:14:21 +0100 |
| commit | 7a200aad1127e98cbf4da9685f652899598fe357 (patch) | |
| tree | 503a4cf958696effa2b60611fdafc705ceee5e07 /drivers/gpu/drm/i915/gt/intel_sseu.h | |
| parent | 8b355db99cfbdaea848e05c288d6d80c391f0b13 (diff) | |
| download | linux-7a200aad1127e98cbf4da9685f652899598fe357.tar.gz linux-7a200aad1127e98cbf4da9685f652899598fe357.tar.bz2 linux-7a200aad1127e98cbf4da9685f652899598fe357.zip | |
drm/i915: Add subslice stride runtime parameter
Add a new parameter, ss_stride, to the runtime info
structure. This is used to mirror the userspace concept
of subslice stride, which is a range of subslices per slice.
This patch simply adds the definition and updates usage
in the QUERY_TOPOLOGY_INFO handler.
v2: Add GEM_BUG_ON to make sure ss_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/20190823160307.180813-4-stuart.summers@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_sseu.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_sseu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index 64e47dad07be..8b8b562ff773 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -15,6 +15,7 @@ struct drm_i915_private; #define GEN_MAX_SLICES (6) /* CNL upper bound */ #define GEN_MAX_SUBSLICES (8) /* ICL upper bound */ #define GEN_SSEU_STRIDE(max_entries) DIV_ROUND_UP(max_entries, BITS_PER_BYTE) +#define GEN_MAX_SUBSLICE_STRIDE GEN_SSEU_STRIDE(GEN_MAX_SUBSLICES) struct sseu_dev_info { u8 slice_mask; @@ -33,6 +34,8 @@ struct sseu_dev_info { u8 max_subslices; u8 max_eus_per_subslice; + u8 ss_stride; + /* We don't have more than 8 eus per subslice at the moment and as we * store eus enabled using bits, no need to multiply by eus per * subslice. |