drm/radeon/kms/atom: disable the encoders in encoder_disable

Previously we just set them to dpms off.  This should save
additional power.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 30293bec0801..63b805693905 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1509,10 +1509,49 @@ static void radeon_atom_encoder_commit(struct drm_encoder *encoder)
 
 static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
 {
+        struct drm_device *dev = encoder->dev;
+        struct radeon_device *rdev = dev->dev_private;
         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
         struct radeon_encoder_atom_dig *dig;
         radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
+        switch (radeon_encoder->encoder_id) {
+        case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
+        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+        case ENCODER_OBJECT_ID_INTERNAL_LVDS:
+        case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+                atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_DISABLE);
+                break;
+        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+                if (ASIC_IS_DCE4(rdev))
+                        /* disable the transmitter */
+                        atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+                else {
+                        /* disable the encoder and transmitter */
+                        atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+                        atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+                }
+                break;
+        case ENCODER_OBJECT_ID_INTERNAL_DDI:
+                atombios_ddia_setup(encoder, ATOM_DISABLE);
+                break;
+        case ENCODER_OBJECT_ID_INTERNAL_DVO1:
+        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
+                atombios_external_tmds_setup(encoder, ATOM_DISABLE);
+                break;
+        case ENCODER_OBJECT_ID_INTERNAL_DAC1:
+        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
+        case ENCODER_OBJECT_ID_INTERNAL_DAC2:
+        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
+                atombios_dac_setup(encoder, ATOM_DISABLE);
+                if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
+                        atombios_tv_setup(encoder, ATOM_DISABLE);
+                break;
+        }
+
         if (radeon_encoder_is_digital(encoder)) {
                 if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
                         r600_hdmi_disable(encoder);