From: Alvin Lee Date: Wed, 14 Dec 2022 15:12:55 +0000 (-0500) Subject: drm/amd/display: Allow subvp on vactive pipes that are 2560x1440@60 X-Git-Tag: v6.1.21~205 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=02c8fa11f545938f3f5af3cd02fe343803539213;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Allow subvp on vactive pipes that are 2560x1440@60 commit 2ebd1036209c2e7b61e6bc6e5bee4b67c1684ac6 upstream. Enable subvp on specifically 1440p@60hz displays even though it can switch in vactive. Tested-by: Daniel Wheeler Reviewed-by: Jun Lei Acked-by: Rodrigo Siqueira Signed-off-by: Alvin Lee Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h index f76120e..cf7633fa 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h @@ -142,6 +142,8 @@ void dcn32_restore_mall_state(struct dc *dc, struct dc_state *context, struct mall_temp_config *temp_config); +bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe); + /* definitions for run time init of reg offsets */ /* CLK SRC */ diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 04cc96e..91a3839 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -676,7 +676,9 @@ static bool dcn32_assign_subvp_pipe(struct dc *dc, */ if (pipe->plane_state && !pipe->top_pipe && pipe->stream->mall_stream_config.type == SUBVP_NONE && refresh_rate < 120 && !pipe->plane_state->address.tmz_surface && - vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] <= 0) { + (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] <= 0 || + (vba->ActiveDRAMClockChangeLatencyMarginPerState[vba->VoltageLevel][vba->maxMpcComb][vba->pipe_plane[pipe_idx]] > 0 && + dcn32_allow_subvp_with_active_margin(pipe)))) { while (pipe) { num_pipes++; pipe = pipe->bottom_pipe; @@ -2558,3 +2560,30 @@ void dcn32_zero_pipe_dcc_fraction(display_e2e_pipe_params_st *pipes, pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0; pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0; } + +bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe) +{ + bool allow = false; + uint32_t refresh_rate = 0; + + /* Allow subvp on displays that have active margin for 2560x1440@60hz displays + * only for now. There must be no scaling as well. + * + * For now we only enable on 2560x1440@60hz displays to enable 4K60 + 1440p60 configs + * for p-state switching. + */ + if (pipe->stream && pipe->plane_state) { + refresh_rate = (pipe->stream->timing.pix_clk_100hz * 100 + + pipe->stream->timing.v_total * pipe->stream->timing.h_total - 1) + / (double)(pipe->stream->timing.v_total * pipe->stream->timing.h_total); + if (pipe->stream->timing.v_addressable == 1440 && + pipe->stream->timing.h_addressable == 2560 && + refresh_rate >= 55 && refresh_rate <= 65 && + pipe->plane_state->src_rect.height == 1440 && + pipe->plane_state->src_rect.width == 2560 && + pipe->plane_state->dst_rect.height == 1440 && + pipe->plane_state->dst_rect.width == 2560) + allow = true; + } + return allow; +}