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| author |   Liviu Dudau <Liviu.Dudau@arm.com> | 2017-06-06 15:05:21 +0100 |
|---|---|---|
| committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2017-06-21 10:30:01 +0100 |
| commit | de5cc8155cd250a31da67dea49aff7637ce98887 (patch) | |
| tree | 8b685a96d3e768a5bb0bdcf32a73d008107ec057 /drivers/gpu/drm/arm | |
| parent | Merge tag 'drm-misc-next-2017-06-19_0' of git://anongit.freedesktop.org/git/drm-misc into drm-next (diff) | |
| download | linux-dev-de5cc8155cd250a31da67dea49aff7637ce98887.tar.xz linux-dev-de5cc8155cd250a31da67dea49aff7637ce98887.zip | |
drm/arm: hdlcd: Set the CRTC's port before binding the encoder.
The component-based encoder(s) used by HDLCD expect the CRTC port
to be set before binding in order to find the right endpoint.
Without this patch, the TDA19988 encoder driver prints a warning
"Falling back to first CRTC".
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm/arm')
| -rw-r--r-- | drivers/gpu/drm/arm/hdlcd_drv.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 345c8357b273..d3da87fbd85a 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -297,6 +297,9 @@ static int hdlcd_drm_bind(struct device *dev) if (ret) goto err_free; + /* Set the CRTC's port so that the encoder component can find it */ + hdlcd->crtc.port = of_graph_get_port_by_id(dev->of_node, 0); + ret = component_bind_all(dev, drm); if (ret) { DRM_ERROR("Failed to bind all components\n"); @@ -340,11 +343,14 @@ err_register: } err_fbdev: drm_kms_helper_poll_fini(drm); + drm_vblank_cleanup(drm); err_vblank: pm_runtime_disable(drm->dev); err_pm_active: component_unbind_all(dev, drm); err_unload: + of_node_put(hdlcd->crtc.port); + hdlcd->crtc.port = NULL; drm_irq_uninstall(drm); of_reserved_mem_device_release(drm->dev); err_free: @@ -367,6 +373,9 @@ static void hdlcd_drm_unbind(struct device *dev) } drm_kms_helper_poll_fini(drm); component_unbind_all(dev, drm); + of_node_put(hdlcd->crtc.port); + hdlcd->crtc.port = NULL; + drm_vblank_cleanup(drm); pm_runtime_get_sync(drm->dev); drm_irq_uninstall(drm); pm_runtime_put_sync(drm->dev); |