diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2017-02-17 13:51:32 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:15:33 -0400 |
| commit | 896b3cb3f48e662abdaaaeb5a4e1001723081a19 (patch) | |
| tree | 6c3d5490c2db3ab349c95a001efd6a27057380b9 /drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | |
| parent | 87b58768eccd311fdc7694c09966754d5ce90538 (diff) | |
drm/amd/display: fix 12bpc truncate to 10bpc
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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/amd/display/dc/dce/dce_opp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c index a2f57cf603aa..121ccbb1ad2d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c @@ -710,32 +710,32 @@ void dce110_opp_set_dyn_expansion( enum signal_type signal) { struct dce110_opp *opp110 = TO_DCE110_OPP(opp); - bool enable_dyn_exp = false; REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, FMT_DYNAMIC_EXP_EN, 0, FMT_DYNAMIC_EXP_MODE, 0); - /* From HW programming guide: - FMT_DYNAMIC_EXP_EN = 0 for limited RGB or YCbCr output - FMT_DYNAMIC_EXP_EN = 1 for RGB full range only*/ - if (color_sp == COLOR_SPACE_SRGB) - enable_dyn_exp = true; /*00 - 10-bit -> 12-bit dynamic expansion*/ /*01 - 8-bit -> 12-bit dynamic expansion*/ - if (signal == SIGNAL_TYPE_HDMI_TYPE_A) { + if (signal == SIGNAL_TYPE_HDMI_TYPE_A || + signal == SIGNAL_TYPE_DISPLAY_PORT || + signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { switch (color_dpth) { case COLOR_DEPTH_888: REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, - FMT_DYNAMIC_EXP_EN, enable_dyn_exp ? 1:0, + FMT_DYNAMIC_EXP_EN, 1, FMT_DYNAMIC_EXP_MODE, 1); break; case COLOR_DEPTH_101010: REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, - FMT_DYNAMIC_EXP_EN, enable_dyn_exp ? 1:0, + FMT_DYNAMIC_EXP_EN, 1, FMT_DYNAMIC_EXP_MODE, 0); break; case COLOR_DEPTH_121212: + REG_UPDATE_2( + FMT_DYNAMIC_EXP_CNTL, + FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/ + FMT_DYNAMIC_EXP_MODE, 0); break; default: break; |