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drm/mediatek: mtk_dsi: Create connector for bridges
Use the drm_bridge_connector helper to create a connector for pipelines that use drm_bridge. This allows splitting connector operations across multiple bridges when necessary, instead of having the last bridge in the chain creating the connector and handling all connector operations internally. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
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1 changed files with 12 additions and 1 deletions
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@ -17,6 +17,7 @@
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_bridge.h>
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#include <drm/drm_bridge_connector.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_of.h>
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#include <drm/drm_panel.h>
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@ -183,6 +184,7 @@ struct mtk_dsi {
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struct drm_encoder encoder;
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struct drm_bridge bridge;
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struct drm_bridge *next_bridge;
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struct drm_connector *connector;
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struct phy *phy;
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void __iomem *regs;
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@ -974,10 +976,19 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
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*/
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dsi->encoder.possible_crtcs = 1;
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ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, 0);
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ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL,
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DRM_BRIDGE_ATTACH_NO_CONNECTOR);
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if (ret)
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goto err_cleanup_encoder;
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dsi->connector = drm_bridge_connector_init(drm, &dsi->encoder);
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if (IS_ERR(dsi->connector)) {
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DRM_ERROR("Unable to create bridge connector\n");
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ret = PTR_ERR(dsi->connector);
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goto err_cleanup_encoder;
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}
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drm_connector_attach_encoder(dsi->connector, &dsi->encoder);
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return 0;
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err_cleanup_encoder:
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