diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2022-02-21 14:16:20 +0000 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-06-30 12:52:55 +0100 |
| commit | 3cf110f8dcd1f4f02cf84339664b413abdaebf7d (patch) | |
| tree | 6a9ebeca5ea1dfe0848f6fee23411281e43e48fb | |
| parent | a37715356a5caa93d1d5e2372507f79a00fd57c5 (diff) | |
lib/i915: request CPU_ACCESS for fb objects
kms_frontbuffer_tracking@basic falls over if the fb needs to be migrated
from non-mappable device memory, to the mappable part, due to being
temporarily pinned for scanout, when hitting the CPU fault handler,
which just gives us SIGBUS. If the device has a small BAR let's attempt
to use the mappable portion, if possible.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
| -rw-r--r-- | lib/ioctl_wrappers.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c index 09eb3ce7..7713e78b 100644 --- a/lib/ioctl_wrappers.c +++ b/lib/ioctl_wrappers.c @@ -635,7 +635,8 @@ uint32_t gem_buffer_create_fb_obj(int fd, uint64_t size) uint32_t handle; if (gem_has_lmem(fd)) - handle = gem_create_in_memory_regions(fd, size, REGION_LMEM(0)); + handle = gem_create_with_cpu_access_in_memory_regions(fd, size, + REGION_LMEM(0)); else handle = gem_create(fd, size); |