From: Charlene Liu <charlene.liu@xxxxxxx> [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@xxxxxxx> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@xxxxxxx> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> --- .../amd/display/dc/dcn10/dcn10_link_encoder.c | 23 +++++++++++++++++++ .../amd/display/dc/dcn10/dcn10_link_encoder.h | 2 ++ .../amd/display/dc/dcn20/dcn20_link_encoder.c | 1 + .../drm/amd/display/dc/inc/hw/link_encoder.h | 2 ++ 4 files changed, 28 insertions(+) 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 e4c7ecd87de7..4034f7787a35 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 @@ -86,6 +86,7 @@ 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 }; @@ -1394,3 +1395,25 @@ 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; +} + diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h index f3e57343417c..8bf5f0f2301d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h @@ -515,4 +515,6 @@ unsigned int dcn10_get_dig_frontend(struct link_encoder *enc); void dcn10_aux_initialize(struct dcn10_link_encoder *enc10); +enum signal_type dcn10_get_dig_mode( + struct link_encoder *enc); #endif /* __DC_LINK_ENCODER__DCN10_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c index f495582e9e87..e476f27aa3a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c @@ -341,6 +341,7 @@ static const struct link_encoder_funcs dcn20_link_enc_funcs = { .fec_set_enable = enc2_fec_set_enable, .fec_set_ready = enc2_fec_set_ready, .fec_is_active = enc2_fec_is_active, + .get_dig_mode = dcn10_get_dig_mode, .get_dig_frontend = dcn10_get_dig_frontend, }; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h index 7001bfbd6681..abb4e4237fb6 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h @@ -184,6 +184,8 @@ struct link_encoder_funcs { bool (*fec_is_active)(struct link_encoder *enc); #endif bool (*is_in_alt_mode) (struct link_encoder *enc); + enum signal_type (*get_dig_mode)( + struct link_encoder *enc); }; #endif /* LINK_ENCODER_H_ */ -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx