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drm/amd/display: Add control flag to dc_stream_state to skip eDP BL off/link off

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Add control flag to dc_stream_state to skip eDP BL off/link off.

Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Max Tseng <max.tseng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Max Tseng 2023-04-25 15:05:17 +08:00 committed by Alex Deucher
parent 490ddccb84
commit 8e7b3f5435
3 changed files with 7 additions and 4 deletions
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1
drivers/gpu/drm/amd/display/dc/dc_stream.h
View File

@ -302,6 +302,7 @@ struct dc_stream_state {
bool vblank_synchronized;
bool fpo_in_use;
struct mall_stream_config mall_stream_config;
bool skip_edp_power_down;
};
#define ABM_LEVEL_IMMEDIATE_DISABLE 255

3
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -1216,7 +1216,8 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx)
struct dce_hwseq *hws = link->dc->hwseq;
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
hws->funcs.edp_backlight_control(link, false);
if (!stream->skip_edp_power_down)
hws->funcs.edp_backlight_control(link, false);
link->dc->hwss.set_abm_immediate_disable(pipe_ctx);
}

7
drivers/gpu/drm/amd/display/dc/link/link_dpms.c
View File

@ -2207,9 +2207,8 @@ static enum dc_status enable_link(
* link settings. Need to call disable first before enabling at
* new link settings.
*/
if (link->link_status.link_active) {
if (link->link_status.link_active && !stream->skip_edp_power_down)
disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
}
switch (pipe_ctx->stream->signal) {
case SIGNAL_TYPE_DISPLAY_PORT:
@ -2327,7 +2326,9 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
dc->hwss.disable_stream(pipe_ctx);
} else {
dc->hwss.disable_stream(pipe_ctx);
disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
if (!pipe_ctx->stream->skip_edp_power_down) {
disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
}
}
if (pipe_ctx->stream->timing.flags.DSC) {