Commit ab892598 authored by Roman Li's avatar Roman Li Committed by Alex Deucher

drm/amd/display: fix brightness level after resume from suspend

Adding missing call to cache current backlight values.
Otherwise the brightness resets to default value on resume.
Signed-off-by: default avatarRoman Li <Roman.Li@amd.com>
Reviewed-by: default avatarCharlene Liu <Charlene.Liu@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c74db7e4
......@@ -2018,6 +2018,19 @@ bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t level,
return true;
}
bool dc_link_set_abm_disable(const struct dc_link *link)
{
struct dc *core_dc = link->ctx->dc;
struct abm *abm = core_dc->res_pool->abm;
if ((abm == NULL) || (abm->funcs->set_backlight_level == NULL))
return false;
abm->funcs->set_abm_immediate_disable(abm);
return true;
}
bool dc_link_set_psr_enable(const struct dc_link *link, bool enable, bool wait)
{
struct dc *core_dc = link->ctx->dc;
......
......@@ -141,6 +141,8 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_
bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
uint32_t frame_ramp, const struct dc_stream_state *stream);
bool dc_link_set_abm_disable(const struct dc_link *dc_link);
bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait);
bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
......
......@@ -1046,8 +1046,10 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx)
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->sink->link;
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP)
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
link->dc->hwss.edp_backlight_control(link, false);
dc_link_set_abm_disable(link);
}
if (dc_is_dp_signal(pipe_ctx->stream->signal))
pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc);
......
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