[PATCH 117/120] drm/amd/display: fix HDMI 12bits last two bits are zero issue

[Harry Wentland]

From: Corbin McElhanney <corbin.mcelhan...@amd.com>

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

Change-Id: I4599d8e3a59b1610cd0e97f0a152f4f3ff5f1eb7
Signed-off-by: Charlene Liu <charlene....@amd.com>
Reviewed-by: Dmytro Laktyushkin <dmytro.laktyush...@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
 .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 17 +++++++++++------
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c        |  3 ++-
 2 files changed, 13 insertions(+), 7 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 59925723271e..c29e51409286 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
@@ -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(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
index 38d15f7c2a88..8048782ac599 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
@@ -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,
-- 
2.11.0

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx