[PATCH] drm/i915/gt: Update RC6 mask for mtl_drpc

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It is seen that for RC6 status register is sometimes setting unused bits
without affecting functionality. So updated the mask with used bits.
As mtl_drpc is debug fs function removing MISSING_CASE from default case.

Cc: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
Signed-off-by: Badal Nilawar <badal.nilawar@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c | 1 -
 drivers/gpu/drm/i915/gt/intel_gt_regs.h       | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
index 357e2f865727..f900cc68d6d9 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
@@ -290,7 +290,6 @@ static int mtl_drpc(struct seq_file *m)
 		seq_puts(m, "RC6\n");
 		break;
 	default:
-		MISSING_CASE(REG_FIELD_GET(MTL_CC_MASK, gt_core_status));
 		seq_puts(m, "Unknown\n");
 		break;
 	}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index a00ff51c681d..71b31d52c646 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -26,7 +26,7 @@
 #define   MTL_CAGF_MASK				REG_GENMASK(8, 0)
 #define   MTL_CC0				0x0
 #define   MTL_CC6				0x3
-#define   MTL_CC_MASK				REG_GENMASK(12, 9)
+#define   MTL_CC_MASK				REG_GENMASK(10, 9)
 
 /* RPM unit config (Gen8+) */
 #define RPM_CONFIG0				_MMIO(0xd00)
-- 
2.25.1




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