diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen_hdmi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index 9fc22ee40f96..e32fd2cbc368 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -219,3 +219,20 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode WREG32(AFMT_RAMP_CONTROL2 + offset, 0x00000001); WREG32(AFMT_RAMP_CONTROL3 + offset, 0x00000001); } + +void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable) +{ + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + + /* Silent, r600_hdmi_enable will raise WARN for us */ + if (enable && dig->afmt->enabled) + return; + if (!enable && !dig->afmt->enabled) + return; + + dig->afmt->enabled = enable; + + DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n", + enable ? "En" : "Dis", dig->afmt->offset, radeon_encoder->encoder_id); +} |