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| author | Ashutosh Dixit <ashutosh.dixit@intel.com> | 2024-06-17 18:46:05 -0700 |
|---|---|---|
| committer | Ashutosh Dixit <ashutosh.dixit@intel.com> | 2024-06-18 12:40:41 -0700 |
| commit | 392bf22238ff88506f410c464ba0c7a84e9de471 (patch) | |
| tree | 0ebc1a36b4f364e1934ebfcb7c7693be8f22f385 /drivers/gpu/drm/xe/xe_migrate.c | |
| parent | dd6b4718c3bab611588922ae8a7736c58eafcc93 (diff) | |
drm/xe/oa/uapi: OA buffer mmap
Allow the OA buffer to be mmap'd to userspace. This is needed for the MMIO
trigger use case. Even otherwise, with whitelisted OA head/tail ptr
registers, userspace can receive/interpret OA data from the mmap'd buffer
without issuing read()'s on the OA stream fd.
v2: Remove unmap_mapping_range from xe_oa_release (Thomas H)
Use vm_flags_mod (Umesh)
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Suggested-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618014609.3233427-14-ashutosh.dixit@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_migrate.c')
0 files changed, 0 insertions, 0 deletions