[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Inki Dae
On 2014년 11월 18일 12:20, Inki Dae wrote: > This patch fixes a infinite loop issue incurred when > it doesn't have a pair of crtc and connector drivers, > which was reported by Kevin Hilman like below, > http://www.spinics.net/lists/linux-samsung-soc/msg39050.html > > cdev->conn_dev coul

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Inki Dae
On 2014년 11월 18일 19:23, Javier Martinez Canillas wrote: > Hello Inki, > >> Right, but at least, we could avoid kernel booting failure which is very >> critical. Please know that this patch is temporary to avoid the kernel >> booting failure although deferred probe request of Exynos drm could

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Inki Dae
On 2014년 11월 18일 16:58, Sjoerd Simons wrote: > On Tue, 2014-11-18 at 12:20 +0900, Inki Dae wrote: >> This patch makes the deferred probe is tried up to 3 times in maximum. >> However, this is considered only for Exynos drm so I think other SoC >> drivers could also produce same issue. Therefo

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Inki Dae
This patch fixes a infinite loop issue incurred when it doesn't have a pair of crtc and connector drivers, which was reported by Kevin Hilman like below, http://www.spinics.net/lists/linux-samsung-soc/msg39050.html cdev->conn_dev could be NULL by exynos_drm_component_del call in case that co

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Javier Martinez Canillas
Hello Andrzej, On Tue, Nov 18, 2014 at 11:48 AM, Andrzej Hajda wrote: >> So we have two issues here and your patch is only a workaround for the later. > > This is the same issue Krzysztof reported two weeks ago and I answered > him with my diagnosis[1]. > > [1]: http://permalink.gmane.org/gmane.l

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Andrzej Hajda
On 11/18/2014 11:23 AM, Javier Martinez Canillas wrote: > Hello Inki, > >> Right, but at least, we could avoid kernel booting failure which is very >> critical. Please know that this patch is temporary to avoid the kernel >> booting failure although deferred probe request of Exynos drm could be >>

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Javier Martinez Canillas
Hello Inki, > Right, but at least, we could avoid kernel booting failure which is very > critical. Please know that this patch is temporary to avoid the kernel > booting failure although deferred probe request of Exynos drm could be > broken. For this, I will look into dd core to find out more gen

[PATCH] drm/exynos: fix infinite loop issue incurred by no pair

2014-11-18 Thread Sjoerd Simons
On Tue, 2014-11-18 at 12:20 +0900, Inki Dae wrote: > This patch makes the deferred probe is tried up to 3 times in maximum. > However, this is considered only for Exynos drm so I think other SoC > drivers could also produce same issue. Therefore, the best way to resolve > this issue, infinite loop