drm/amd/display: not override the FMT setting set by VBIOS for eDP

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>

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 42caad4..3b4ca1a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1082,11 +1082,14 @@ static enum dc_status apply_single_controller_ctx_to_hw(
 
 
 /*vbios crtc_source_selection and encoder_setup will override fmt_C*/
-       pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
+       if (pipe_ctx->stream->signal != SIGNAL_TYPE_EDP &&
+               pipe_ctx->stream->signal != SIGNAL_TYPE_LVDS) {
+       /*for embedded panel, don't override VBIOS's setting*/
+               pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
                        pipe_ctx->stream_res.opp,
                        &stream->bit_depth_params,
                        &stream->clamping);
-
+       }
        if (dc_is_dp_signal(pipe_ctx->stream->signal))
                pipe_ctx->stream_res.stream_enc->funcs->dp_set_stream_attribute(
                        pipe_ctx->stream_res.stream_enc,