From: Jouni Högander Date: Mon, 14 Apr 2025 10:04:58 +0000 (+0300) Subject: drm/i915/dmc: Add PIPEDMC_EVT_CTL register definition X-Git-Tag: v6.16-rc1~33^2~21^2~67 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b23c157d46d1f1c7c96dde83dedb6e1f298fff26;p=linux-block.git 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 Reviewed-by: Mika Kahola Link: https://lore.kernel.org/r/20250414100508.1208774-4-jouni.hogander@intel.com --- 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