Re: [PATCH 3/3] drm/tegra: fb: Implement ->fb_mmap() callback

2018-02-08 Thread Marcel Ziswiler
On Wed, 2018-02-07 at 18:45 +0100, Thierry Reding wrote: > From: Thierry Reding > > This fixes hangs with legacy applications that use the mmap() syscall > on > the fbdev device to map framebuffer memory. The fbdev implementation > for > mmap() creates a mapping that

Re: [PATCH 3/3] drm/tegra: fb: Implement ->fb_mmap() callback

2018-02-07 Thread stefan
On 07.02.2018 18:45, Thierry Reding wrote: > From: Thierry Reding > > This fixes hangs with legacy applications that use the mmap() syscall on > the fbdev device to map framebuffer memory. The fbdev implementation for > mmap() creates a mapping that conflicts with DRM usage

[PATCH 3/3] drm/tegra: fb: Implement ->fb_mmap() callback

2018-02-07 Thread Thierry Reding
From: Thierry Reding This fixes hangs with legacy applications that use the mmap() syscall on the fbdev device to map framebuffer memory. The fbdev implementation for mmap() creates a mapping that conflicts with DRM usage and causes a hang when the memory is accessed through