[RFC PATCH 04/11] drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions
Jouni Högander
jouni.hogander at intel.com
Fri Mar 7 10:52:30 UTC 2025
We need PIPEDMC_BLOCK_PKGC_SW definitions to implement workaround for
underrun on idle PSR HW issue (Wa_16025596647). Add PIPEDMC_BLOCK_PKGC_SW
register definitions.
Bspec: 71265
Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
drivers/gpu/drm/i915/display/intel_dmc_regs.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_regs.h b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
index 2f1e3cb1a247..e16ea3f16ed8 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
@@ -27,6 +27,14 @@
_MTL_PIPEDMC_EVT_CTL_4_A, \
_MTL_PIPEDMC_EVT_CTL_4_B)
+#define PIPEDMC_BLOCK_PKGC_SW_A 0x5f1d0
+#define PIPEDMC_BLOCK_PKGC_SW_B 0x5F5d0
+#define PIPEDMC_BLOCK_PKGC_SW(pipe) _MMIO_PIPE(pipe, \
+ PIPEDMC_BLOCK_PKGC_SW_A, \
+ PIPEDMC_BLOCK_PKGC_SW_B)
+#define PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_ALWAYS BIT(31)
+#define PIPEDMC_BLOCK_PKGC_SW_BLOCK_PKGC_UNTIL_NEXT_FRAMESTART BIT(15)
+
#define _ADLP_PIPEDMC_REG_MMIO_BASE_A 0x5f000
#define _TGL_PIPEDMC_REG_MMIO_BASE_A 0x92000
--
2.43.0
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