Searched hist:"7 a8139c54e75a67b85692eb5f238710d59a1dfc3" (Results 1 – 1 of 1) sorted by relevance
/openbmc/linux/drivers/gpu/host1x/ |
H A D | job.c | diff 7a8139c54e75a67b85692eb5f238710d59a1dfc3 Mon Nov 18 04:35:22 CST 2019 Daniel Vetter <daniel.vetter@ffwll.ch> drm/tegra: Map cmdbuf once for reloc processing
A few reasons to drop kmap:
- For native objects all we do is look at obj->vaddr anyway, so might as well not call functions for every page.
- Reloc-processing on dma-buf is ... questionable.
- Plus most dma-buf that bother kernel cpu mmaps give you at least vmap, much less kmaps. And all the ones relevant for arm-soc are again doing a obj->vaddr game anyway, there's no real kmap going on on arm it seems.
Plus this seems to be the only real in-tree user of dma_buf_kmap, and I'd like to get rid of that.
Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: linux-tegra@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20191118103536.17675-2-daniel.vetter@ffwll.ch
|