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authorJouni Högander <jouni.hogander@intel.com>2025-04-14 13:04:59 +0300
committerJouni Högander <jouni.hogander@intel.com>2025-04-23 12:16:26 +0300
commitf991ef47dad714a44d2dfbb5aed312cafc6f3e72 (patch)
treecd1a96a5c6bb4088bf2bba388e337aece4d59ecb /drivers/gpu
parentb23c157d46d1f1c7c96dde83dedb6e1f298fff26 (diff)
downloadlinux-f991ef47dad714a44d2dfbb5aed312cafc6f3e72.tar.gz
linux-f991ef47dad714a44d2dfbb5aed312cafc6f3e72.zip
drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions
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@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://lore.kernel.org/r/20250414100508.1208774-5-jouni.hogander@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dmc_regs.h8
1 files changed, 8 insertions, 0 deletions
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