From: James Lin Date: Thu, 7 May 2026 00:01:51 +0000 (+0800) Subject: drm/amd/display: Add some missing code for dcn42 X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=ed0bb5c4bd143422b5e149054e00d2d091ead7b1;p=thirdparty%2Flinux.git drm/amd/display: Add some missing code for dcn42 [why & how] Some DCN4.2 related code is missing from upstream Fixes: e56e3cff2a1b ("drm/amd/display: Sync dcn42 with DC 3.2.373") Acked-by: ChiaHsuan Chung Reviewed-by: Roman Li Signed-off-by: James Lin Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c index d856a7a807b1..d01e5969a670 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_clk_mgr.c @@ -309,6 +309,8 @@ void dcn42_update_clocks(struct clk_mgr *clk_mgr_base, } // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + if (new_clocks->dppclk_khz < 100000) + new_clocks->dppclk_khz = 100000; if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c index cbc20f214f9e..cabfac151940 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c @@ -470,9 +470,9 @@ static bool is_rmcm_3dlut_fl_supported(struct dc *dc, enum dc_cm2_gpu_mem_size s if (!dc->caps.color.mpc.rmcm_3d_lut_caps.dma_3d_lut) return false; if (size == DC_CM2_GPU_MEM_SIZE_171717) - return (dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_17); + return dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_17 != 0u; else if (size == DC_CM2_GPU_MEM_SIZE_333333) - return (dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_33); + return dc->caps.color.mpc.rmcm_3d_lut_caps.lut_dim_caps.dim_33 != 0u; return false; } @@ -945,6 +945,7 @@ bool dcn42_set_mcm_luts(struct pipe_ctx *pipe_ctx, void dcn42_hardware_release(struct dc *dc) { dcn35_hardware_release(dc); + dc_dmub_srv_release_hw(dc); } static int count_active_streams(const struct dc *dc) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c index 52a1996a654f..1fc457cec293 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c @@ -1520,6 +1520,10 @@ static void dcn42_resource_destruct(struct dcn42_resource_pool *pool) if (pool->base.pg_cntl != NULL) dcn_pg_cntl_destroy(&pool->base.pg_cntl); + + if (pool->base.replay != NULL) + dmub_replay_destroy(&pool->base.replay); + if (pool->base.dccg != NULL) dcn_dccg_destroy(&pool->base.dccg); @@ -1921,12 +1925,6 @@ static bool dcn42_resource_construct( dc->caps.max_v_total = (1 << 15) - 1; dc->caps.vtotal_limited_by_fp2 = true; - dc->caps.seamless_odm = true; - dc->caps.zstate_support = true; - dc->caps.ips_support = true; - dc->caps.max_v_total = (1 << 15) - 1; - dc->caps.vtotal_limited_by_fp2 = true; - /* Color pipeline capabilities */ dc->caps.color.dpp.dcn_arch = 1; dc->caps.color.dpp.input_lut_shared = 0; diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.h index 60acf0e423d9..fe960542d7bd 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.h +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.h @@ -456,6 +456,8 @@ SRI_ARR(OTG_V_SYNC_A, OTG, inst), \ SRI_ARR(OTG_V_SYNC_A_CNTL, OTG, inst), \ SRI_ARR(OTG_CONTROL, OTG, inst), \ + SRI_ARR(OTG_MASTER_EN, OTG, inst), \ + SRI_ARR(OTG_LONG_VBLANK_STATUS, OTG, inst), \ SRI_ARR(OTG_STEREO_CONTROL, OTG, inst), \ SRI_ARR(OTG_3D_STRUCTURE_CONTROL, OTG, inst), \ SRI_ARR(OTG_STEREO_STATUS, OTG, inst), \ @@ -472,6 +474,11 @@ SRI_ARR(OTG_M_CONST_DTO0, OTG, inst), \ SRI_ARR(OTG_M_CONST_DTO1, OTG, inst), \ SRI_ARR(OTG_CLOCK_CONTROL, OTG, inst), \ + SRI_ARR(OTG_COUNT_CONTROL, OTG, inst), \ + SRI_ARR(OTG_COUNT_RESET, OTG, inst), \ + SRI_ARR(OTG_CRC_SIG_BLUE_CONTROL_MASK, OTG, inst), \ + SRI_ARR(OTG_CRC_SIG_RED_GREEN_MASK, OTG, inst), \ + SRI_ARR(OTG_DRR_TIMING_INT_STATUS, OTG, inst), \ SRI_ARR(OTG_VERTICAL_INTERRUPT0_CONTROL, OTG, inst), \ SRI_ARR(OTG_VERTICAL_INTERRUPT0_POSITION, OTG, inst), \ SRI_ARR(OTG_VERTICAL_INTERRUPT1_CONTROL, OTG, inst), \