From f991ef47dad714a44d2dfbb5aed312cafc6f3e72 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jouni=20H=C3=B6gander?= Date: Mon, 14 Apr 2025 13:04:59 +0300 Subject: [PATCH] drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Mika Kahola Link: https://lore.kernel.org/r/20250414100508.1208774-5-jouni.hogander@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 2f1e3cb1a2477..e16ea3f16ed88 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 -- 2.47.3