Re: [PATCH v2 03/43] drm/rockchip: Respect page offset for PRIME mmap calls

在 2018/1/26 21:16, Thierry Escande 写道: From: Ørjan Eide When mapping external DMA-bufs through the PRIME mmap call, we might be given an offset which has to be respected. However for the internal DRM GEM mmap path, we have to ignore the fake mmap offset used to identify the buffer only. Curre

[PATCH v2 03/43] drm/rockchip: Respect page offset for PRIME mmap calls

From: Ørjan Eide When mapping external DMA-bufs through the PRIME mmap call, we might be given an offset which has to be respected. However for the internal DRM GEM mmap path, we have to ignore the fake mmap offset used to identify the buffer only. Currently the code always zeroes out vma->vm_pgo