[PATCH 13/13] drm/i915: Add debug log to ICL SSEU workaround

Stuart Summers stuart.summers at intel.com
Tue Jun 18 14:23:11 UTC 2019


Add a new DRM_INFO log to the ICL SSEU workaround
initialization routine to aid in debug of issues
with subslice discovery.

Signed-off-by: Stuart Summers <stuart.summers at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index a765d4444245..338cd82473be 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -790,6 +790,13 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal)
 				   GEN10_L3BANK_PAIR_COUNT) & GEN10_L3BANK_MASK;
 		u8 disabled_mask = fuse3 & GEN10_L3BANK_MASK;
 
+		DRM_INFO("%s: WaProgramMgsrForL3BankSpecificMmioReads: "
+			 "slice_mask: 0x%x, slice: %d, ss_mask: 0x%x, "
+			 "enabled_mask: 0x%x, disabled_mask: 0x%x\n",
+			 __func__, sseu->slice_mask, slice, ss_mask,
+			 enabled_mask, disabled_mask);
+
+
 		/*
 		 * Production silicon should have matched L3Bank and
 		 * subslice enabled
-- 
2.21.0.5.gaeb582a983



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