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Commit ab2e8af1 authored by Govinda Rajulu Chenna's avatar Govinda Rajulu Chenna Committed by Gerrit - the friendly Code Review server
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drm/msm/sde: create mst drm encoders and bridges 



Add drm encoders and dp bridges for mst operations.
This change registers the mst drm components with drm
framework.

Change-Id: I89731f52609c55bfa637a1aa20dc6591e966226d
Signed-off-by: default avatarGovinda Rajulu Chenna <gchenna@codeaurora.org>
parent b66516a7

drivers/gpu/drm/msm/sde/sde_kms.c

+23 −1
Original line number Diff line number Diff line
@@ -857,7 +857,7 @@ static int _sde_kms_get_displays(struct sde_kms *sde_kms) 
			dp_display_get_displays(sde_kms->dp_displays,

					sde_kms->dp_display_count);



		sde_kms->dp_stream_count = 0;

		sde_kms->dp_stream_count = dp_display_get_num_of_streams();

	}

	return 0;
@@ -1060,6 +1060,8 @@ static int _sde_kms_setup_displays(struct drm_device *dev, 
	/* dp */

	for (i = 0; i < sde_kms->dp_display_count &&

			priv->num_encoders < max_encoders; ++i) {

		int idx;



		display = sde_kms->dp_displays[i];

		encoder = NULL;
@@ -1097,6 +1099,26 @@ static int _sde_kms_setup_displays(struct drm_device *dev, 
			dp_drm_bridge_deinit(display);

			sde_encoder_destroy(encoder);

		}



		/* update display cap to MST_MODE for DP MST encoders */

		info.capabilities |= MSM_DISPLAY_CAP_MST_MODE;

		for (idx = 0; idx < sde_kms->dp_stream_count; idx++) {

			info.h_tile_instance[0] = idx;

			encoder = sde_encoder_init(dev, &info);

			if (IS_ERR_OR_NULL(encoder)) {

				SDE_ERROR("dp mst encoder init failed %d\n", i);

				continue;

			}



			rc = dp_mst_drm_bridge_init(display, encoder);

			if (rc) {

				SDE_ERROR("dp mst bridge %d init failed, %d\n",

						i, rc);

				sde_encoder_destroy(encoder);

				continue;

			}

			priv->encoders[priv->num_encoders++] = encoder;

		}

	}



	return 0;