drm/i915: Add new function to copy subslices for a slice (668df17f) · Commits · 戴 / test

drivers/gpu/drm/i915/i915_debugfs.c

+14 −3

Original line number	Diff line number	Diff line
		@@ -3726,6 +3726,15 @@ i915_cache_sharing_set(void *data, u64 val)
		return 0;
		}

		static void
		intel_sseu_copy_subslices(const struct sseu_dev_info *sseu, int slice,
		u8 *to_mask)
		{
		int offset = slice * sseu->ss_stride;

		memcpy(&to_mask[offset], &sseu->subslice_mask[offset], sseu->ss_stride);
		}

		DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops,
		i915_cache_sharing_get, i915_cache_sharing_set,
		"%llu\n");
		@@ -3799,7 +3808,7 @@ static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
		continue;

		sseu->slice_mask \|= BIT(s);
		sseu->subslice_mask[s] = info->sseu.subslice_mask[s];
		intel_sseu_copy_subslices(&info->sseu, s, sseu->subslice_mask);

		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
		unsigned int eu_cnt;
		@@ -3850,7 +3859,8 @@ static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
		sseu->slice_mask \|= BIT(s);

		if (IS_GEN9_BC(dev_priv))
		sseu->subslice_mask[s] = info->sseu.subslice_mask[s];
		intel_sseu_copy_subslices(&info->sseu, s,
		sseu->subslice_mask);

		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
		unsigned int eu_cnt;
		@@ -3886,7 +3896,8 @@ static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv,
		if (sseu->slice_mask) {
		sseu->eu_per_subslice = info->sseu.eu_per_subslice;
		for (s = 0; s < fls(sseu->slice_mask); s++)
		sseu->subslice_mask[s] = info->sseu.subslice_mask[s];
		intel_sseu_copy_subslices(&info->sseu, s,
		sseu->subslice_mask);
		sseu->eu_total = sseu->eu_per_subslice *
		intel_sseu_subslice_total(sseu);