Re: [PATCH v2 1/6] drm/client: Support unmapping of DRM client buffers

2019-07-07 Thread Noralf Trønnes
Den 05.07.2019 11.26, skrev Thomas Zimmermann: > DRM clients, such as the fbdev emulation, have their buffer objects > mapped by default. Mapping a buffer implicitly prevents its relocation. > Hence, the buffer may permanently consume video memory while it's > allocated. This is a problem for

[PATCH v2 1/6] drm/client: Support unmapping of DRM client buffers

2019-07-05 Thread Thomas Zimmermann
DRM clients, such as the fbdev emulation, have their buffer objects mapped by default. Mapping a buffer implicitly prevents its relocation. Hence, the buffer may permanently consume video memory while it's allocated. This is a problem for drivers of low-memory devices, such as ast, mgag200 or