diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1027-drm-amd-display-add-backlight-control-in-blankstream.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/1027-drm-amd-display-add-backlight-control-in-blankstream.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1027-drm-amd-display-add-backlight-control-in-blankstream.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1027-drm-amd-display-add-backlight-control-in-blankstream.patch new file mode 100644 index 00000000..dcec9b89 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1027-drm-amd-display-add-backlight-control-in-blankstream.patch @@ -0,0 +1,51 @@ +From 84cbfa00f9bf9513d8f003a412beb6f132bd7e85 Mon Sep 17 00:00:00 2001 +From: Charlene Liu <charlene.liu@amd.com> +Date: Mon, 28 Aug 2017 19:35:25 -0400 +Subject: [PATCH 1027/4131] drm/amd/display: add backlight control in + blankstream. + +Change-Id: I17ff8fe4b031dae5428f8267ec3eb280f79fbbb4 +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> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 9 +++++++-- + 1 file 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 1e3ec04..b8043bd 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, ¶ms); ++ if (link->connector_signal == SIGNAL_TYPE_EDP) ++ link->link_enc->funcs->backlight_control(link->link_enc, true); + } + + +-- +2.7.4 + |