Hi, Hsin-Yi:
Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> 於 2020年12月11日 週五 下午10:04寫道：
>
> Hi, Hsin-Yi:
>
> Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> 於 2020年12月3日 週四 下午4:24寫道：
> >
> > Similar to a9d9fea74be2 ("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.
>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Applied to mediatek-drm-next [1], thanks.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
>
> >
> > Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/mediatek/mtk_dpi.c | 13 ++++++++++++-
> > 1 file changed, 12 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > index 52f11a63a330..189377e342fa 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > @@ -20,6 +20,7 @@
> >
> > #include <drm/drm_atomic_helper.h>
> > #include <drm/drm_bridge.h>
> > +#include <drm/drm_bridge_connector.h>
> > #include <drm/drm_crtc.h>
> > #include <drm/drm_of.h>
> > #include <drm/drm_simple_kms_helper.h>
> > @@ -66,6 +67,7 @@ struct mtk_dpi {
> > struct drm_encoder encoder;
> > struct drm_bridge bridge;
> > struct drm_bridge *next_bridge;
> > + struct drm_connector *connector;
> > void __iomem *regs;
> > struct device *dev;
> > struct clk *engine_clk;
> > @@ -603,12 +605,21 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
> >
> > dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->ddp_comp);
> >
> > - ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, 0);
> > + ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL,
> > + DRM_BRIDGE_ATTACH_NO_CONNECTOR);
> > if (ret) {
> > dev_err(dev, "Failed to attach bridge: %d\n", ret);
> > goto err_cleanup;
> > }
> >
> > + dpi->connector = drm_bridge_connector_init(drm_dev, &dpi->encoder);
> > + if (IS_ERR(dpi->connector)) {
> > + dev_err(dev, "Unable to create bridge connector\n");
> > + ret = PTR_ERR(dpi->connector);
> > + goto err_cleanup;
> > + }
> > + drm_connector_attach_encoder(dpi->connector, &dpi->encoder);
> > +
> > dpi->bit_num = MTK_DPI_OUT_BIT_NUM_8BITS;
> > dpi->channel_swap = MTK_DPI_OUT_CHANNEL_SWAP_RGB;
> > dpi->yc_map = MTK_DPI_OUT_YC_MAP_RGB;
> > --
> > 2.29.2.576.ga3fc446d84-goog
> >
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