summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorCharlene Liu <charlene.liu@amd.com>2017-08-28 19:35:25 -0400
committerAlex Deucher <alexander.deucher@amd.com>2017-09-26 18:17:19 -0400
commit1e4cee77bbd50d6c868439bfaf8ad61b6c6fcfc3 (patch)
treea0750e580ffc60350390d64b40a3d095c265f9d0 /drivers/gpu/drm
parent1f0997f1555571a9c16205a851ffbce92097196d (diff)
drm/amd/display: add backlight control in blankstream.
Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 3b4ca1a9217f..9fb0ba7e7b7d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -778,9 +778,11 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
/* blank at encoder level */
- if (dc_is_dp_signal(pipe_ctx->stream->signal))
+ if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
+ if (pipe_ctx->stream->sink->link->connector_signal == SIGNAL_TYPE_EDP)
+ link->link_enc->funcs->backlight_control(link->link_enc, false);
pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc);
-
+ }
link->link_enc->funcs->connect_dig_be_to_fe(
link->link_enc,
pipe_ctx->stream_res.stream_enc->id,
@@ -792,12 +794,15 @@ void dce110_unblank_stream(struct pipe_ctx *pipe_ctx,
struct dc_link_settings *link_settings)
{
struct encoder_unblank_param params = { { 0 } };
+ struct dc_link *link = pipe_ctx->stream->sink->link;
/* only 3 items below are used by unblank */
params.pixel_clk_khz =
pipe_ctx->stream->timing.pix_clk_khz;
params.link_settings.link_rate = link_settings->link_rate;
pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(pipe_ctx->stream_res.stream_enc, &params);
+ if (link->connector_signal == SIGNAL_TYPE_EDP)
+ link->link_enc->funcs->backlight_control(link->link_enc, true);
}