diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2019-08-07 17:25:49 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-23 11:43:22 -0500 |
| commit | 78d9b95ecf8a9b4cb871297359b7b804ee0c6925 (patch) | |
| tree | 39972b8f904624b2527c1049e10e18e3f84721ec /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | |
| parent | 4551666f5b6c46defad645f7b7e9b4a486985df6 (diff) | |
drm/amd/display: set av_mute in hw_init for HDMI
[Description]
OS will reserve HW state in UEFI mode.
Driver init_hw reset to RGB which caused HDMI green in YCbCr mode.
read HW blank_color based on acc_mode.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c index 5c19661ffc8e..1a37c90e9d43 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c @@ -89,6 +89,7 @@ static const struct link_encoder_funcs dcn10_lnk_enc_funcs = { .disable_hpd = dcn10_link_encoder_disable_hpd, .is_dig_enabled = dcn10_is_dig_enabled, .get_dig_frontend = dcn10_get_dig_frontend, + .get_dig_mode = dcn10_get_dig_mode, .destroy = dcn10_link_encoder_destroy }; @@ -1397,3 +1398,25 @@ void dcn10_aux_initialize(struct dcn10_link_encoder *enc10) AUX_REG_UPDATE(AUX_DPHY_RX_CONTROL0, AUX_RX_RECEIVE_WINDOW, 0); } + +enum signal_type dcn10_get_dig_mode( + struct link_encoder *enc) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + uint32_t value; + REG_GET(DIG_BE_CNTL, DIG_MODE, &value); + switch (value) { + case 1: + return SIGNAL_TYPE_DISPLAY_PORT; + case 2: + return SIGNAL_TYPE_DVI_SINGLE_LINK; + case 3: + return SIGNAL_TYPE_HDMI_TYPE_A; + case 5: + return SIGNAL_TYPE_DISPLAY_PORT_MST; + default: + return SIGNAL_TYPE_NONE; + } + return SIGNAL_TYPE_NONE; +} + |