[Intel-gfx] [PATCH i-g-t 3/7] lib/i915/gem_mman: add fixed mode to mmap__cpu_coherent

Matthew Auld
2021-07-26T12:04:10Z

On discrete we only support the new fixed mode.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ramalingam C <ramalingam.c@intel.com>
---
lib/i915/gem_mman.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c
index 222e8896..337d28fb 100644
--- a/lib/i915/gem_mman.c
+++ b/lib/i915/gem_mman.c
@@ -580,6 +580,8 @@ void *gem_mmap__cpu_coherent(int fd, uint32_t handle, uint64_t offset,
igt_assert(offset == 0);

ptr = __gem_mmap__cpu_coherent(fd, handle, offset, size, prot);
+ if (!ptr)
+ ptr = __gem_mmap_offset__fixed(fd, handle, offset, size, prot);
igt_assert(ptr);

return ptr;