Searched hist:f45da820 (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/drivers/gpu/drm/panfrost/ |
| H A D | panfrost_mmu.c | f45da820 Fri Feb 05 05:17:56 CST 2021 Boris Brezillon <boris.brezillon@collabora.com> drm/panfrost: Don't try to map pages that are already mapped
We allocate 2MB chunks at a time, so it might appear that a page fault
has already been handled by a previous page fault when we reach
panfrost_mmu_map_fault_addr(). Bail out in that case to avoid mapping the
same area twice.
Cc: <stable@vger.kernel.org>
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205111757.585248-3-boris.brezillon@collabora.com
|