[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-03 Thread YoungJun Cho
Dear Mr.Dae, On Jul 2, 2013 9:42 PM, "Inki Dae" wrote: > > 2013/7/2 YoungJun Cho : > > Dear Ville > > > > On Jul 2, 2013 8:42 PM, "Ville Syrj?l?" > > wrote: > >> > >> On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: > >> > From: YoungJun Cho > >> > > >> > When drm iommu is not

[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Inki Dae
2013/7/2 YoungJun Cho : > Dear Ville > > On Jul 2, 2013 8:42 PM, "Ville Syrj?l?" > wrote: >> >> On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: >> > From: YoungJun Cho >> > >> > When drm iommu is not supported, buf->pages has to be allocated >> > and assigned to phys_to_page()

[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread YoungJun Cho
Dear Ville On Jul 2, 2013 8:42 PM, "Ville Syrj?l?" wrote: > > On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: > > From: YoungJun Cho > > > > When drm iommu is not supported, buf->pages has to be allocated > > and assigned to phys_to_page() result, which type is struct page *. > >

[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Seung-Woo Kim
From: YoungJun Cho When drm iommu is not supported, buf->pages has to be allocated and assigned to phys_to_page() result, which type is struct page *. So it is sufficient to allocate buf->pages with multiple struct page pointer size. Signed-off-by: YoungJun Cho

[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Ville Syrjälä
On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: > From: YoungJun Cho > > When drm iommu is not supported, buf->pages has to be allocated > and assigned to phys_to_page() result, which type is struct page *. > So it is sufficient to allocate buf->pages with multiple struct > page

[PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Seung-Woo Kim
From: YoungJun Cho yj44@samsung.com When drm iommu is not supported, buf-pages has to be allocated and assigned to phys_to_page() result, which type is struct page *. So it is sufficient to allocate buf-pages with multiple struct page pointer size. Signed-off-by: YoungJun Cho

Re: [PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Ville Syrjälä
On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: From: YoungJun Cho yj44@samsung.com When drm iommu is not supported, buf-pages has to be allocated and assigned to phys_to_page() result, which type is struct page *. So it is sufficient to allocate buf-pages with multiple

Re: [PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread YoungJun Cho
Dear Ville On Jul 2, 2013 8:42 PM, Ville Syrjälä ville.syrj...@linux.intel.com wrote: On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: From: YoungJun Cho yj44@samsung.com When drm iommu is not supported, buf-pages has to be allocated and assigned to phys_to_page()

Re: [PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread Inki Dae
2013/7/2 YoungJun Cho yj44@samsung.com: Dear Ville On Jul 2, 2013 8:42 PM, Ville Syrjälä ville.syrj...@linux.intel.com wrote: On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: From: YoungJun Cho yj44@samsung.com When drm iommu is not supported, buf-pages has to be

Re: [PATCH] drm/exynos: fix pages allocation in lowlevel_buffer_allocate

2013-07-02 Thread YoungJun Cho
Dear Mr.Dae, On Jul 2, 2013 9:42 PM, Inki Dae inki@samsung.com wrote: 2013/7/2 YoungJun Cho yj44@samsung.com: Dear Ville On Jul 2, 2013 8:42 PM, Ville Syrjälä ville.syrj...@linux.intel.com wrote: On Tue, Jul 02, 2013 at 07:59:22PM +0900, Seung-Woo Kim wrote: From: