[PATCH] drm/exynos: clear channels only when iommu is enabled

2015-07-28 Thread Joonyoung Shim
On 07/28/2015 05:30 PM, Krzysztof Kozlowski wrote: > On 28.07.2015 17:28, Joonyoung Shim wrote: >> This is simplest solution about reported problem[1]. It's no problem to >> clear channel only when iommu is enabled, if we consider that we cannot >> recognize iommu errors when iommu is disabled and

[PATCH] drm/exynos: clear channels only when iommu is enabled

2015-07-28 Thread Krzysztof Kozlowski
On 28.07.2015 17:28, Joonyoung Shim wrote: > This is simplest solution about reported problem[1]. It's no problem to > clear channel only when iommu is enabled, if we consider that we cannot > recognize iommu errors when iommu is disabled and it have been valid > until now. But this cannot be nice

[PATCH] drm/exynos: clear channels only when iommu is enabled

2015-07-28 Thread Joonyoung Shim
This is simplest solution about reported problem[1]. It's no problem to clear channel only when iommu is enabled, if we consider that we cannot recognize iommu errors when iommu is disabled and it have been valid until now. But this cannot be nice solution. [1] https://lkml.org/lkml/2015/7/21/404