diff options
| author |   Brian Starkey <brian.starkey@arm.com> | 2016-07-26 17:15:25 +0100 |
|---|---|---|
| committer |   Sean Paul <seanpaul@chromium.org> | 2016-07-26 13:23:58 -0400 |
| commit | 3c31760e760c87eaa5fbcbb90d54ccab576429c8 (patch) | |
| tree | d2e7e480eecbc6dbeb9a0a737ff1f055b8800a93 /drivers/gpu/drm/arm | |
| parent | drm/sti: use new Reset API (diff) | |
| download | linux-dev-3c31760e760c87eaa5fbcbb90d54ccab576429c8.tar.xz linux-dev-3c31760e760c87eaa5fbcbb90d54ccab576429c8.zip | |
drm/arm: mali-dp: Set crtc.port to the port instead of the endpoint
The CRTC's port pointer was being set to the endpoint node instead of
the port. Fix that, and hold a reference on the port node.
Signed-off-by: Brian Starkey <brian.starkey@arm.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1469549725-19577-1-git-send-email-brian.starkey@arm.com
Diffstat (limited to 'drivers/gpu/drm/arm')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_drv.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index e5b44e92f8cf..4e61ea508b4e 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -257,6 +257,7 @@ static int malidp_bind(struct device *dev) { struct resource *res; struct drm_device *drm; + struct device_node *ep; struct malidp_drm *malidp; struct malidp_hw_device *hwdev; struct platform_device *pdev = to_platform_device(dev); @@ -360,11 +361,12 @@ static int malidp_bind(struct device *dev) goto register_fail; /* Set the CRTC's port so that the encoder component can find it */ - malidp->crtc.port = of_graph_get_next_endpoint(dev->of_node, NULL); + ep = of_graph_get_next_endpoint(dev->of_node, NULL); + if (!ep) + goto port_fail; + malidp->crtc.port = of_get_next_parent(ep); ret = component_bind_all(dev, drm); - of_node_put(malidp->crtc.port); - if (ret) { DRM_ERROR("Failed to bind all components\n"); goto bind_fail; @@ -402,6 +404,9 @@ vblank_fail: irq_init_fail: component_unbind_all(dev, drm); bind_fail: + of_node_put(malidp->crtc.port); + malidp->crtc.port = NULL; +port_fail: drm_dev_unregister(drm); register_fail: malidp_de_planes_destroy(drm); @@ -435,6 +440,8 @@ static void malidp_unbind(struct device *dev) malidp_de_irq_fini(drm); drm_vblank_cleanup(drm); component_unbind_all(dev, drm); + of_node_put(malidp->crtc.port); + malidp->crtc.port = NULL; drm_dev_unregister(drm); malidp_de_planes_destroy(drm); drm_mode_config_cleanup(drm); |