[AMD Official Use Only - General] Series is: Reviewed-By: Fangzhi Zuo <jerry.zuo@xxxxxxx> ________________________________ 发件人: Mahfooz, Hamza <Hamza.Mahfooz@xxxxxxx> 发送时间: 星期四, 八月 31, 2023 3:39:04 下午 收件人: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> 抄送: Zuo, Jerry <Jerry.Zuo@xxxxxxx>; Mahfooz, Hamza <Hamza.Mahfooz@xxxxxxx>; stable@xxxxxxxxxxxxxxx <stable@xxxxxxxxxxxxxxx>; Wentland, Harry <Harry.Wentland@xxxxxxx>; Li, Sun peng (Leo) <Sunpeng.Li@xxxxxxx>; Siqueira, Rodrigo <Rodrigo.Siqueira@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx>; David Airlie <airlied@xxxxxxxxx>; Daniel Vetter <daniel@xxxxxxxx>; Lei, Jun <Jun.Lei@xxxxxxx>; Pillai, Aurabindo <Aurabindo.Pillai@xxxxxxx>; Kazlauskas, Nicholas <Nicholas.Kazlauskas@xxxxxxx>; Liu, Wenjing <Wenjing.Liu@xxxxxxx>; Lee, Alvin <Alvin.Lee2@xxxxxxx>; Kim, Sung joon <Sungjoon.Kim@xxxxxxx>; Miess, Daniel <Daniel.Miess@xxxxxxx>; Teeger, Gabe <Gabe.Teeger@xxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx <dri-devel@xxxxxxxxxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx <linux-kernel@xxxxxxxxxxxxxxx> 主题: [PATCH v2 1/2] Revert "drm/amd/display: Remove v_startup workaround for dcn3+" This reverts commit 3a31e8b89b7240d9a17ace8a1ed050bdcb560f9e. We still need to call dcn20_adjust_freesync_v_startup() for older DCN3+ ASICs otherwise it can cause DP to HDMI 2.1 PCONs to fail to light up. Cc: stable@xxxxxxxxxxxxxxx Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2809 Signed-off-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx> --- .../drm/amd/display/dc/dml/dcn20/dcn20_fpu.c | 24 ++++--------------- 1 file changed, 4 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c index 0989a0152ae8..1bfdf0271fdf 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c @@ -1099,6 +1099,10 @@ void dcn20_calculate_dlg_params(struct dc *dc, context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz = pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000; context->res_ctx.pipe_ctx[i].pipe_dlg_param = pipes[pipe_idx].pipe.dest; + if (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid) + dcn20_adjust_freesync_v_startup( + &context->res_ctx.pipe_ctx[i].stream->timing, + &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start); pipe_idx++; } @@ -1927,7 +1931,6 @@ static bool dcn20_validate_bandwidth_internal(struct dc *dc, struct dc_state *co int vlevel = 0; int pipe_split_from[MAX_PIPES]; int pipe_cnt = 0; - int i = 0; display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_ATOMIC); DC_LOGGER_INIT(dc->ctx->logger); @@ -1951,15 +1954,6 @@ static bool dcn20_validate_bandwidth_internal(struct dc *dc, struct dc_state *co dcn20_calculate_wm(dc, context, pipes, &pipe_cnt, pipe_split_from, vlevel, fast_validate); dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel); - for (i = 0; i < dc->res_pool->pipe_count; i++) { - if (!context->res_ctx.pipe_ctx[i].stream) - continue; - if (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid) - dcn20_adjust_freesync_v_startup( - &context->res_ctx.pipe_ctx[i].stream->timing, - &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start); - } - BW_VAL_TRACE_END_WATERMARKS(); goto validate_out; @@ -2232,7 +2226,6 @@ bool dcn21_validate_bandwidth_fp(struct dc *dc, int vlevel = 0; int pipe_split_from[MAX_PIPES]; int pipe_cnt = 0; - int i = 0; display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_ATOMIC); DC_LOGGER_INIT(dc->ctx->logger); @@ -2261,15 +2254,6 @@ bool dcn21_validate_bandwidth_fp(struct dc *dc, dcn21_calculate_wm(dc, context, pipes, &pipe_cnt, pipe_split_from, vlevel, fast_validate); dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel); - for (i = 0; i < dc->res_pool->pipe_count; i++) { - if (!context->res_ctx.pipe_ctx[i].stream) - continue; - if (context->res_ctx.pipe_ctx[i].stream->adaptive_sync_infopacket.valid) - dcn20_adjust_freesync_v_startup( - &context->res_ctx.pipe_ctx[i].stream->timing, - &context->res_ctx.pipe_ctx[i].pipe_dlg_param.vstartup_start); - } - BW_VAL_TRACE_END_WATERMARKS(); goto validate_out; -- 2.41.0
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