Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-12 Thread Inki Dae
On 2015년 06월 12일 18:05, Marek Szyprowski wrote: Hello, On 2015-06-11 17:04, Inki Dae wrote: On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one

Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-12 Thread Marek Szyprowski
Hello, On 2015-06-11 17:04, Inki Dae wrote: On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one should ensure that all power domains and clocks are

Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-11 Thread Inki Dae
On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one should ensure that all power domains and clocks are really enabled. This patch adds pm_runtime

Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-08 Thread Marek Szyprowski
Hello, On 2015-06-04 15:13, Inki Dae wrote: On 2015년 06월 04일 22:08, Inki Dae wrote: On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one should

Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-04 Thread Inki Dae
Hi Marek, On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one should ensure that all power domains and clocks are really enabled. This patch adds

Re: [PATCH v2 1/3] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel()

2015-06-04 Thread Inki Dae
On 2015년 06월 04일 22:08, Inki Dae wrote: Hi Marek, On 2015년 06월 03일 17:26, Marek Szyprowski wrote: One should not do any assumptions on the stare of the fimd hardware during driver initialization, so to properly reset fimd before enabling IOMMU, one should ensure that all power domains and