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drm/amd/display: fix HDMI 12bits last two bits are zero issue 

(FF-158) -[FF N-1] HDMI Deep Color Mode incorrect bit depth:
FMT_DYNAMIC_EXP_EN is being reset to 0

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Corbin McElhanney 2017-08-03 14:20:14 -04:00 committed by Alex Deucher
parent 233dcd2092
commit f0c4d9977a
2 changed files with 13 additions and 7 deletions
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17
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -1044,14 +1044,14 @@ static enum dc_status apply_single_controller_ctx_to_hw(
/* */
dc->hwss.prog_pixclk_crtc_otg(pipe_ctx, context, dc);
pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
pipe_ctx->stream_res.opp,
COLOR_SPACE_YCBCR601,
stream->timing.display_color_depth,
pipe_ctx->stream->signal);
/* FPGA does not program backend */
if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
pipe_ctx->stream_res.opp,
COLOR_SPACE_YCBCR601,
stream->timing.display_color_depth,
pipe_ctx->stream->signal);
pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
pipe_ctx->stream_res.opp,
&stream->bit_depth_params,
@ -1064,6 +1064,11 @@ static enum dc_status apply_single_controller_ctx_to_hw(
BREAK_TO_DEBUGGER();
return DC_ERROR_UNEXPECTED;
}
pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
pipe_ctx->stream_res.opp,
COLOR_SPACE_YCBCR601,
stream->timing.display_color_depth,
pipe_ctx->stream->signal);
if (pipe_ctx->stream->signal != SIGNAL_TYPE_VIRTUAL)
stream->sink->link->link_enc->funcs->setup(

3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
View File

@ -240,7 +240,8 @@ static void oppn10_set_dyn_expansion(
/*01 - 8-bit -> 12-bit dynamic expansion*/
if (signal == SIGNAL_TYPE_HDMI_TYPE_A ||
signal == SIGNAL_TYPE_DISPLAY_PORT ||
signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
signal == SIGNAL_TYPE_VIRTUAL) {
switch (color_dpth) {
case COLOR_DEPTH_888:
REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,