From: Michael Mityushkin Date: Thu, 30 Mar 2023 16:46:58 +0000 (-0400) Subject: drm/amd/display: Correct output color space during HW reinitialize X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7052a801d6bc8cd203e1708313e4996630208a6e;p=linux.git drm/amd/display: Correct output color space during HW reinitialize [Why] Doing core_link_disable_stream or set_dpms_off when reinitializing hardware causes issue to repro with external display connected. This is unnecessary, blanking pixel data should be sufficient. [How] Call disable_pixel_data while reinitializing hardware instead of core_link_disable_stream or set_dpms_off. Reviewed-by: Nicholas Kazlauskas Acked-by: Qingqing Zhuo Signed-off-by: Michael Mityushkin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 422fbf79da64f..5800acf6aae11 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -313,6 +313,10 @@ void dcn20_init_blank( } opp = dc->res_pool->opps[opp_id_src0]; + /* don't override the blank pattern if already enabled with the correct one. */ + if (opp->funcs->dpg_is_blanked && opp->funcs->dpg_is_blanked(opp)) + return; + if (num_opps == 2) { otg_active_width = otg_active_width / 2; diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c index 3a32810bbe382..8598ea233ef3e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c @@ -58,6 +58,7 @@ static const struct hw_sequencer_funcs dcn31_funcs = { .enable_audio_stream = dce110_enable_audio_stream, .disable_audio_stream = dce110_disable_audio_stream, .disable_plane = dcn20_disable_plane, + .disable_pixel_data = dcn20_disable_pixel_data, .pipe_control_lock = dcn20_pipe_control_lock, .interdependent_update_lock = dcn10_lock_all_pipes, .cursor_lock = dcn10_cursor_lock, diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c index 5267e901a35c1..ce53339b2e10d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c @@ -60,6 +60,7 @@ static const struct hw_sequencer_funcs dcn314_funcs = { .enable_audio_stream = dce110_enable_audio_stream, .disable_audio_stream = dce110_disable_audio_stream, .disable_plane = dcn20_disable_plane, + .disable_pixel_data = dcn20_disable_pixel_data, .pipe_control_lock = dcn20_pipe_control_lock, .interdependent_update_lock = dcn10_lock_all_pipes, .cursor_lock = dcn10_cursor_lock,