From: Alex Deucher alexander.deucher@amd.com
dig transmitter control table only has ENABLE/DISABLE actions on DCE4.1/DCE5.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=44955
Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/atombios_encoders.c | 19 ++++++++++++------- 1 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index a3a9166..79a4880 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1341,7 +1341,8 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: /* some early dce3.2 boards have a bug in their transmitter control table */ - if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730)) + if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730) || + ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0); else atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); @@ -1351,8 +1352,6 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) ATOM_TRANSMITTER_ACTION_POWER_ON); radeon_dig_connector->edp_on = true; } - if (ASIC_IS_DCE4(rdev)) - atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0); radeon_dp_link_train(encoder, connector); if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0); @@ -1363,7 +1362,10 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0); + if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0); + else + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0); if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0); @@ -1810,7 +1812,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: - if (ASIC_IS_DCE4(rdev)) { + if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
@@ -1819,13 +1821,16 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, else dig->panel_mode = radeon_dp_get_panel_mode(encoder, connector);
- /* disable the transmitter */ - atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0); /* setup and enable the encoder */ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0); atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP_PANEL_MODE, dig->panel_mode); + } else if (ASIC_IS_DCE4(rdev)) { + /* disable the transmitter */ + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0); + /* setup and enable the encoder */ + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
/* enable the transmitter */ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);