[06/11] drm/i915: Add function to set subslices
diff mbox series

Message ID 20190822183213.132380-7-stuart.summers@intel.com
State New
Headers show
Series
  • Refactor to expand subslice mask (rev 2)
Related show

Commit Message

Stuart Summers Aug. 22, 2019, 6:32 p.m. UTC
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 <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(-)

Comments

Chris Wilson Aug. 22, 2019, 10:39 p.m. UTC | #1
Quoting Stuart Summers (2019-08-22 19:32:08)
> 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 <stuart.summers@intel.com>

Simple enough for even me to understand,
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c
index d52686a1afdc..3a5db0dbac72 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 7f2355ce963d..7f600f50dedb 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 52515efe9f4e..1a45728ac712 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,