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authorBrian Starkey <brian.starkey@arm.com>2016-07-26 17:15:25 +0100
committerSean Paul <seanpaul@chromium.org>2016-07-26 13:23:58 -0400
commit3c31760e760c87eaa5fbcbb90d54ccab576429c8 (patch)
treed2e7e480eecbc6dbeb9a0a737ff1f055b8800a93 /drivers/gpu
parentc084c8dafce72bf67ad2bb7b873a4a732a9ce81c (diff)
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')
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c13
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);