diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-07-12 13:16:25 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-07-12 13:24:28 +1000 |
| commit | 85e23c6620745c6c0a764ded52f3d775ee767eb6 (patch) | |
| tree | 61f9e8fad9ec8a0d31634442b626070f546d284e /include/uapi | |
| parent | 94e068cf9c4aedf381cfab1595d531d2ec381bb8 (diff) | |
| parent | 609458abd5a10180f513ca364d6c0ae30128c821 (diff) | |
Merge tag 'drm-xe-fixes-2024-07-11' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
UAPI Changes:
- Use write-back caching mode for system memory on DGFX (Thomas)
Driver Changes:
- Do not leak object when finalizing hdcp gsc (Nirmoy)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/vgqz35btnxdddko3byrgww5ii36wig2tvondg2p3j3b3ourj4i@rqgolll3wwkh
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 1446c3bae515..d425b83181df 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -776,7 +776,13 @@ struct drm_xe_gem_create { #define DRM_XE_GEM_CPU_CACHING_WC 2 /** * @cpu_caching: The CPU caching mode to select for this object. If - * mmaping the object the mode selected here will also be used. + * mmaping the object the mode selected here will also be used. The + * exception is when mapping system memory (including data evicted + * to system) on discrete GPUs. The caching mode selected will + * then be overridden to DRM_XE_GEM_CPU_CACHING_WB, and coherency + * between GPU- and CPU is guaranteed. The caching mode of + * existing CPU-mappings will be updated transparently to + * user-space clients. */ __u16 cpu_caching; /** @pad: MBZ */ |