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drm/radeon/kms: issue blank/unblank commands for ext encoders

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Required for DPMS on some systems.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-06-13 17:13:36 -04:00 committed by Dave Airlie
parent 591a10e16c
commit d6c669528a
1 changed files with 14 additions and 11 deletions
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25
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -1521,26 +1521,29 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
}
if (ext_encoder) {
int action;
switch (mode) {
case DRM_MODE_DPMS_ON:
default:
if (ASIC_IS_DCE41(rdev))
action = EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT;
else
action = ATOM_ENABLE;
if (ASIC_IS_DCE41(rdev)) {
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT);
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING_OFF);
} else
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
if (ASIC_IS_DCE41(rdev))
action = EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT;
else
action = ATOM_DISABLE;
if (ASIC_IS_DCE41(rdev)) {
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING);
atombios_external_encoder_setup(encoder, ext_encoder,
EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT);
} else
atombios_external_encoder_setup(encoder, ext_encoder, ATOM_DISABLE);
break;
}
atombios_external_encoder_setup(encoder, ext_encoder, action);
}
radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);