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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Thu, Aug 01, 2019 at 11:18:53AM +0000, Ville Baillie wrote: > --- > drivers/gpu/drm/mxsfb/mxsfb_drv.c | 20 ++++++++++++++++---- > drivers/gpu/drm/mxsfb/mxsfb_drv.h | 1 + > drivers/gpu/drm/mxsfb/mxsfb_out.c | 14 +++++++++++--- > 3 files changed, 28 insertions(+), 7 deletions(-) > > diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c > index 6fafc90da4ec..c19a7b7aa3a6 100644 > --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c > +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c > @@ -229,10 +229,22 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags) > goto err_vblank; > } > > - ret = drm_panel_attach(mxsfb->panel, &mxsfb->connector); > - if (ret) { > - dev_err(drm->dev, "Cannot connect panel\n"); > - goto err_vblank; > + if (mxsfb->panel) { > + ret = drm_panel_attach(mxsfb->panel, &mxsfb->connector); > + if (ret) { > + dev_err(drm->dev, "Cannot connect panel\n"); > + goto err_vblank; > + } > + } else if (mxsfb->bridge) { > + ret = drm_bridge_attach(&mxsfb->pipe.encoder, mxsfb->bridge, > + NULL); > + if (ret) { > + dev_err(drm->dev, "Cannot connect bridge\n"); > + goto err_vblank; > + } > + } else { > + dev_err(drm->dev, "No panel or bridge\n"); > + return -EINVAL; > } > > drm->mode_config.min_width = MXSFB_MIN_XRES; > diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.h b/drivers/gpu/drm/mxsfb/mxsfb_drv.h > index d975300dca05..436fe4bbb47a 100644 > --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.h > +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.h > @@ -29,6 +29,7 @@ struct mxsfb_drm_private { > struct drm_simple_display_pipe pipe; > struct drm_connector connector; > struct drm_panel *panel; > + struct drm_bridge *bridge; > }; > > int mxsfb_setup_crtc(struct drm_device *dev); > diff --git a/drivers/gpu/drm/mxsfb/mxsfb_out.c b/drivers/gpu/drm/mxsfb/mxsfb_out.c > index 91e76f9cead6..77e03eb0fca6 100644 > --- a/drivers/gpu/drm/mxsfb/mxsfb_out.c > +++ b/drivers/gpu/drm/mxsfb/mxsfb_out.c > @@ -78,9 +78,11 @@ int mxsfb_create_output(struct drm_device *drm) > { > struct mxsfb_drm_private *mxsfb = drm->dev_private; > struct drm_panel *panel; > + struct drm_bridge *bridge; > int ret; > > - ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel, NULL); > + ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel, > + &bridge); > if (ret) > return ret; > > @@ -91,8 +93,14 @@ int mxsfb_create_output(struct drm_device *drm) > ret = drm_connector_init(drm, &mxsfb->connector, > &mxsfb_panel_connector_funcs, > DRM_MODE_CONNECTOR_Unknown); > - if (!ret) > - mxsfb->panel = panel; > + if (!ret) { > + if (panel) > + mxsfb->panel = panel; > + else if (bridge) > + mxsfb->bridge = bridge; > + else > + return -EINVAL; > + } > > return ret; > } > -- > 2.17.1 Robert Chiras posted bridge support for mxsfb back in June: https://patchwork.freedesktop.org/patch/314430/?series=62822&rev=1 Cheers, -- Guido > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel