Hi Laurent, On 14/12/15 22:39, Laurent Pinchart wrote: > Hello, > > This patch series implements support for dma_buf import in the omapdrm driver. > The patches are based on top of the latest drm-next branch and can be found in > my git tree at > > git://linuxtv.org/pinchartl/fbdev.git omapdrm/dmabuf-import > > The first two patches are unrelated fixes and enhancements, but I've included > them in the series to avoid merge conflicts. > > The next 13 patches are miscellaneous fixes, cleanups and refactoring to > prepare for patch 16/16 that implements dma_buf import. > > The code has been successfully tested with the vivid driver as an exporter, > using a hacked version that uses uncached CPU mappings in vivid when filling > the buffers. vivid is a test driver that generates a test pattern using the > CPU with cached mappings by default, resulting in corruption on the screen due > to missing cache handling. As the problem doesn't occur when sharing buffers > not touched by the CPU or touched through uncached mappings only, it will be > addressed separately. I've picked up these patches to my omapdrm-4.5 branch: drm: omapdrm: move omap_plane_reset() drm: omapdrm: Fix plane state free in plane reset handler drm: omapdrm: Make fbdev emulation optional drm: omapdrm: gem: Remove unused function prototypes drm: omapdrm: gem: Remove forward declarations drm: omapdrm: gem: Group functions by purpose drm: omapdrm: gem: Move global usergart variable to omap_drm_private drm: omapdrm: gem: Mask out private flags passed from userspace drm: omapdrm: gem: Free the correct memory object drm: omapdrm: gem: Fix GEM object destroy in error path drm: omapdrm: gem: Don't free mmap offset twice drm: omapdrm: gem: Simplify error handling when creating GEM object drm: omapdrm: gem: Remove check for impossible condition I did split the "Fix plane state free in plane reset handler" into two, moving the function first. And as I dropped few patches from between the others, they're not exactly as they were in your series. The remaining patches are: drm: omapdrm: gem: Remove omap_drm_private has_dmm field drm: omapdrm: gem: Clean up GEM objects memory flags drm: omapdrm: gem: Refactor GEM object allocation drm: omapdrm: gem: Implement dma_buf import Those are more complex, and I haven't fully reviewed them yet. I wanted to get the bulk of the patches already, so that I can ensure we get at least those to 4.5. Tomi
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