From 2e6379f44a795963bf63418523d009c55246914a Mon Sep 17 00:00:00 2001 From: Stuart Summers Date: Fri, 23 Aug 2019 09:03:02 -0700 Subject: [PATCH] drm/i915: Add function to set subslices Add a new function to set a set of subslices for a given slice. v2: Fix typo in subslice_mask assignment Signed-off-by: Stuart Summers Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20190823160307.180813-7-stuart.summers@intel.com --- drivers/gpu/drm/i915/gt/intel_sseu.c | 6 ++++++ drivers/gpu/drm/i915/gt/intel_sseu.h | 3 +++ drivers/gpu/drm/i915/intel_device_info.c | 18 +++++++++++------- 3 files changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c index d52686a1afdcb..3a5db0dbac72c 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.c +++ b/drivers/gpu/drm/i915/gt/intel_sseu.c @@ -32,6 +32,12 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu) return total; } +void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, + u8 ss_mask) +{ + sseu->subslice_mask[slice] = ss_mask; +} + unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice) { diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index 7f2355ce963d9..7f600f50dedb2 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -78,6 +78,9 @@ intel_sseu_subslice_total(const struct sseu_dev_info *sseu); unsigned int intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice); +void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice, + u8 ss_mask); + u32 intel_sseu_make_rpcs(struct drm_i915_private *i915, const struct intel_sseu *req_sseu); diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 52515efe9f4e8..1a45728ac7126 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -206,7 +206,10 @@ static void gen11_sseu_info_init(struct drm_i915_private *dev_priv) int ss; sseu->slice_mask |= BIT(s); - sseu->subslice_mask[s] = (ss_en >> ss_idx) & ss_en_mask; + + intel_sseu_set_subslices(sseu, s, (ss_en >> ss_idx) & + ss_en_mask); + for (ss = 0; ss < sseu->max_subslices; ss++) { if (sseu->subslice_mask[s] & BIT(ss)) sseu_set_eus(sseu, s, ss, eu_en); @@ -274,8 +277,9 @@ static void gen10_sseu_info_init(struct drm_i915_private *dev_priv) * Slice0 can have up to 3 subslices, but there are only 2 in * slice1/2. */ - sseu->subslice_mask[s] = s == 0 ? subslice_mask_with_eus : - subslice_mask_with_eus & 0x3; + intel_sseu_set_subslices(sseu, s, s == 0 ? + subslice_mask_with_eus : + subslice_mask_with_eus & 0x3); } sseu->eu_total = compute_eu_total(sseu); @@ -330,7 +334,7 @@ static void cherryview_sseu_info_init(struct drm_i915_private *dev_priv) sseu_set_eus(sseu, 0, 1, ~disabled_mask); } - sseu->subslice_mask[0] = subslice_mask; + intel_sseu_set_subslices(sseu, 0, subslice_mask); sseu->eu_total = compute_eu_total(sseu); @@ -384,7 +388,7 @@ static void gen9_sseu_info_init(struct drm_i915_private *dev_priv) /* skip disabled slice */ continue; - sseu->subslice_mask[s] = subslice_mask; + intel_sseu_set_subslices(sseu, s, subslice_mask); eu_disable = I915_READ(GEN9_EU_DISABLE(s)); for (ss = 0; ss < sseu->max_subslices; ss++) { @@ -491,7 +495,7 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv) /* skip disabled slice */ continue; - sseu->subslice_mask[s] = subslice_mask; + intel_sseu_set_subslices(sseu, s, subslice_mask); for (ss = 0; ss < sseu->max_subslices; ss++) { u8 eu_disabled_mask; @@ -588,7 +592,7 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv) sseu->eu_per_subslice); for (s = 0; s < sseu->max_slices; s++) { - sseu->subslice_mask[s] = subslice_mask; + intel_sseu_set_subslices(sseu, s, subslice_mask); for (ss = 0; ss < sseu->max_subslices; ss++) { sseu_set_eus(sseu, s, ss, -- 2.39.5