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| author | Jerome Glisse <jglisse@redhat.com> | 2012-07-24 17:06:11 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-07-25 14:16:28 +1000 |
| commit | fcedac670c3da0d17aaa5db1708694971e8024a9 (patch) | |
| tree | 2787789976935930cee343c7e9565b2085818e5e | |
| parent | ca2ccde5e2f24a792caa4cca919fc5c6f65d1887 (diff) | |
| download | linux-fcedac670c3da0d17aaa5db1708694971e8024a9.tar.gz | |
drm/radeon: fix dpms on/off on trinity/aruba v2
The external encoder need to be setup again before enabling the transmiter. This seems to be only needed on some trinity/aruba to fix dpms on. v2: Add comment, only setup again on dce6 ie aruba or newer. Cc: <stable@kernel.org> Signed-off-by: Jerome Glisse <jglisse@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_encoders.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 7dfc62fae6a6..f9bc27fe269a 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1392,10 +1392,18 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int 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) || - ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) + ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { + if (ASIC_IS_DCE6(rdev)) { + /* It seems we need to call ATOM_ENCODER_CMD_SETUP again + * before reenabling encoder on DPMS ON, otherwise we never + * get picture + */ + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0); + } atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0); - else + } else { atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); + } if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { atombios_set_edp_panel_power(connector, |