Re: [PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-22 Thread Inki Dae
On 2014년 05월 22일 13:36, Rahul Sharma wrote: Hi Inki, On 21 May 2014 16:43, Inki Dae inki@samsung.com wrote: Hi Rahul, On 2014년 05월 07일 20:25, Rahul Sharma wrote: From: Rahul Sharma rahul.sha...@samsung.com In case of exynos, setting dma-burst to 16Word causes permanent tearing for

Re: [PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-22 Thread Rahul Sharma
On 22 May 2014 12:25, Inki Dae inki@samsung.com wrote: On 2014년 05월 22일 13:36, Rahul Sharma wrote: Hi Inki, On 21 May 2014 16:43, Inki Dae inki@samsung.com wrote: Hi Rahul, On 2014년 05월 07일 20:25, Rahul Sharma wrote: From: Rahul Sharma rahul.sha...@samsung.com In case of exynos,

Re: [PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-22 Thread Inki Dae
On 2014년 05월 22일 17:39, Rahul Sharma wrote: On 22 May 2014 12:25, Inki Dae inki@samsung.com wrote: On 2014년 05월 22일 13:36, Rahul Sharma wrote: Hi Inki, On 21 May 2014 16:43, Inki Dae inki@samsung.com wrote: Hi Rahul, On 2014년 05월 07일 20:25, Rahul Sharma wrote: From: Rahul Sharma

Re: [PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-21 Thread Inki Dae
Hi Rahul, On 2014년 05월 07일 20:25, Rahul Sharma wrote: From: Rahul Sharma rahul.sha...@samsung.com In case of exynos, setting dma-burst to 16Word causes permanent tearing for very small buffers, e.g. cursor buffer. Burst Mode switching, which is based on overlay size is not recommended as

Re: [PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-21 Thread Rahul Sharma
Hi Inki, On 21 May 2014 16:43, Inki Dae inki@samsung.com wrote: Hi Rahul, On 2014년 05월 07일 20:25, Rahul Sharma wrote: From: Rahul Sharma rahul.sha...@samsung.com In case of exynos, setting dma-burst to 16Word causes permanent tearing for very small buffers, e.g. cursor buffer. Burst

[PATCH] drm/exynos: use 4WORD dma burst length for small fbs

2014-05-07 Thread Rahul Sharma
From: Rahul Sharma rahul.sha...@samsung.com In case of exynos, setting dma-burst to 16Word causes permanent tearing for very small buffers, e.g. cursor buffer. Burst Mode switching, which is based on overlay size is not recommended as overlay size varies a lot towards the end of the screen. This