From: Jeffrey Hugo jeffrey.l.hugo@gmail.com
[ Upstream commit 9ca7ad6c7706edeae331c1632d0c63897418ebad ]
add_gpu_components() adds found GPU nodes from the DT to the match list, regardless of the status of the nodes. This is a problem, because if the nodes are disabled, they should not be on the match list because they will not be matched. This prevents display from initing if a GPU node is defined, but it's status is disabled.
Fix this by checking the node's status before adding it to the match list.
Fixes: dc3ea265b856 (drm/msm: Drop the gpu binding) Reviewed-by: Rob Clark robdclark@gmail.com Signed-off-by: Jeffrey Hugo jeffrey.l.hugo@gmail.com Signed-off-by: Sean Paul seanpaul@chromium.org Link: https://patchwork.freedesktop.org/patch/msgid/20190626180015.45242-1-jeffrey... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/msm/msm_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 4a0fe8a25ad77..a56eef3cfee78 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1267,7 +1267,8 @@ static int add_gpu_components(struct device *dev, if (!np) return 0;
- drm_of_component_match_add(dev, matchptr, compare_of, np); + if (of_device_is_available(np)) + drm_of_component_match_add(dev, matchptr, compare_of, np);
of_node_put(np);