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path: root/drivers/gpu/drm/radeon/atombios_encoders.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_encoders.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 980cbcc..f57c1ab 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -671,7 +671,15 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
struct drm_connector *connector;
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *dig_connector;
+ struct radeon_encoder_atom_dig *dig_enc;
+ if (radeon_encoder_is_digital(encoder)) {
+ dig_enc = radeon_encoder->enc_priv;
+ if (dig_enc->active_mst_links)
+ return ATOM_ENCODER_MODE_DP_MST;
+ }
+ if (radeon_encoder->is_mst_encoder || radeon_encoder->offset)
+ return ATOM_ENCODER_MODE_DP_MST;
/* dp bridges are always DP */
if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)
return ATOM_ENCODER_MODE_DP;
@@ -1706,6 +1714,11 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
+
+ /* don't power off encoders with active MST links */
+ if (dig->active_mst_links)
+ return;
+
if (ASIC_IS_DCE4(rdev)) {
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector)
atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
@@ -1974,6 +1987,53 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
}
+void
+atombios_set_mst_encoder_crtc_source(struct drm_encoder *encoder, int fe)
+{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
+ int index = GetIndexIntoMasterTable(COMMAND, SelectCRTC_Source);
+ uint8_t frev, crev;
+ union crtc_source_param args;
+
+ memset(&args, 0, sizeof(args));
+
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
+
+ if (frev != 1 && crev != 2)
+ DRM_ERROR("Unknown table for MST %d, %d\n", frev, crev);
+
+ args.v2.ucCRTC = radeon_crtc->crtc_id;
+ args.v2.ucEncodeMode = ATOM_ENCODER_MODE_DP_MST;
+
+ switch (fe) {
+ case 0:
+ args.v2.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
+ break;
+ case 1:
+ args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
+ break;
+ case 2:
+ args.v2.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
+ break;
+ case 3:
+ args.v2.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
+ break;
+ case 4:
+ args.v2.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
+ break;
+ case 5:
+ args.v2.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
+ break;
+ case 6:
+ args.v2.ucEncoderID = ASIC_INT_DIG7_ENCODER_ID;
+ break;
+ }
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
static void
atombios_apply_encoder_quirks(struct drm_encoder *encoder,
struct drm_display_mode *mode)