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authorJouni Högander <jouni.hogander@intel.com>2025-04-14 13:04:58 +0300
committerJouni Högander <jouni.hogander@intel.com>2025-04-23 12:16:26 +0300
commitb23c157d46d1f1c7c96dde83dedb6e1f298fff26 (patch)
tree7c3cb8ce1520e0f7b0c49e646c2cbc491b515003
parenta99b050ca7f48505d7f59de4b2be46cbd2b6c048 (diff)
downloadlinux-b23c157d46d1f1c7c96dde83dedb6e1f298fff26.tar.xz
drm/i915/dmc: Add PIPEDMC_EVT_CTL register definition
To implement workaround for underrun on idle PSR HW issue (Wa_16025596647) we need PIPEDMC_EVT_CTL_4 register. Add PIPEDMC_EVT_CTL_4 register definitions. Bspec: 67576 Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://lore.kernel.org/r/20250414100508.1208774-4-jouni.hogander@intel.com
-rw-r--r--drivers/gpu/drm/i915/display/intel_dmc_regs.h6
1 files changed, 6 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 1bf446f96a10..2f1e3cb1a247 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_regs.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
@@ -21,6 +21,12 @@
#define MTL_PIPEDMC_CONTROL _MMIO(0x45250)
#define PIPEDMC_ENABLE_MTL(pipe) REG_BIT(((pipe) - PIPE_A) * 4)
+#define _MTL_PIPEDMC_EVT_CTL_4_A 0x5f044
+#define _MTL_PIPEDMC_EVT_CTL_4_B 0x5f444
+#define MTL_PIPEDMC_EVT_CTL_4(pipe) _MMIO_PIPE(pipe, \
+ _MTL_PIPEDMC_EVT_CTL_4_A, \
+ _MTL_PIPEDMC_EVT_CTL_4_B)
+
#define _ADLP_PIPEDMC_REG_MMIO_BASE_A 0x5f000
#define _TGL_PIPEDMC_REG_MMIO_BASE_A 0x92000