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drm/radeon/kms: disable the tv encoder when tv/cv is not in use

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commit d3a67a43b0 upstream.

Switching between TV and VGA caused VGA to break on some systems
since the TV encoder was left enabled when VGA was used.

fixes fdo bug 25520.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alex Deucher
2010-04-13 11:21:59 -04:00
committed by Greg Kroah-Hartman
parent 2f2efe38d1
commit 84dd80b43d
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/radeon/radeon_encoders.c
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@@ -1155,8 +1155,12 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
case ENCODER_OBJECT_ID_INTERNAL_DAC2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
atombios_dac_setup(encoder, ATOM_ENABLE);
if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
atombios_tv_setup(encoder, ATOM_ENABLE);
if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) {
if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
atombios_tv_setup(encoder, ATOM_ENABLE);
else
atombios_tv_setup(encoder, ATOM_DISABLE);
}
break;
}
atombios_apply_encoder_quirks(encoder, adjusted_mode);