[CI,3/5] drm/i915: Move calculation of subslices per slice to new function
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Message ID 20190524154022.13575-4-stuart.summers@intel.com
State New
Headers show
Series
  • Refactor to expand subslice mask
Related show

Commit Message

Summers, Stuart May 24, 2019, 3:40 p.m. UTC
Add a new function to return the number of subslices per slice to
consolidate code usage.

v2: rebase on changes to move sseu struct to intel_sseu.h
v3: add intel_* prefix to sseu_subslices_per_slice

Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_sseu.h     | 6 ++++++
 drivers/gpu/drm/i915/i915_debugfs.c      | 2 +-
 drivers/gpu/drm/i915/intel_device_info.c | 4 ++--
 3 files changed, 9 insertions(+), 3 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h
index d20b7f96907d..9618dff46d83 100644
--- a/drivers/gpu/drm/i915/gt/intel_sseu.h
+++ b/drivers/gpu/drm/i915/gt/intel_sseu.h
@@ -63,6 +63,12 @@  intel_sseu_from_device_info(const struct sseu_dev_info *sseu)
 	return value;
 }
 
+static inline unsigned int
+intel_sseu_subslices_per_slice(const struct sseu_dev_info *sseu, u8 slice)
+{
+	return hweight8(sseu->subslice_mask[slice]);
+}
+
 u32 intel_sseu_make_rpcs(struct drm_i915_private *i915,
 			 const struct intel_sseu *req_sseu);
 
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 633a08c0f907..73cc6d9f9157 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4203,7 +4203,7 @@  static void i915_print_sseu_info(struct seq_file *m, bool is_available_info,
 		   sseu_subslice_total(sseu));
 	for (s = 0; s < fls(sseu->slice_mask); s++) {
 		seq_printf(m, "  %s Slice%i subslices: %u\n", type,
-			   s, hweight8(sseu->subslice_mask[s]));
+			   s, intel_sseu_subslices_per_slice(sseu, s));
 	}
 	seq_printf(m, "  %s EU Total: %u\n", type,
 		   sseu->eu_total);
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 6af480b95bc6..9d6b9c45bc5e 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -93,7 +93,7 @@  static void sseu_dump(const struct sseu_dev_info *sseu, struct drm_printer *p)
 	drm_printf(p, "subslice total: %u\n", sseu_subslice_total(sseu));
 	for (s = 0; s < sseu->max_slices; s++) {
 		drm_printf(p, "slice%d: %u subslices, mask=%04x\n",
-			   s, hweight8(sseu->subslice_mask[s]),
+			   s, intel_sseu_subslices_per_slice(sseu, s),
 			   sseu->subslice_mask[s]);
 	}
 	drm_printf(p, "EU total: %u\n", sseu->eu_total);
@@ -126,7 +126,7 @@  void intel_device_info_dump_topology(const struct sseu_dev_info *sseu,
 
 	for (s = 0; s < sseu->max_slices; s++) {
 		drm_printf(p, "slice%d: %u subslice(s) (0x%hhx):\n",
-			   s, hweight8(sseu->subslice_mask[s]),
+			   s, intel_sseu_subslices_per_slice(sseu, s),
 			   sseu->subslice_mask[s]);
 
 		for (ss = 0; ss < sseu->max_subslices; ss++) {