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| author | Dave Airlie <airlied@redhat.com> | 2024-01-24 06:50:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-12 12:12:45 +0300 |
| commit | 929eaf32dde42857cae6cd0e42eb789d15dfe003 (patch) | |
| tree | 96740e0dd054927229fd143078be6aa675bc77c5 /include/uapi/drm | |
| parent | 38c2fd9aeddc3fe30379c08256dd2fb343d53a56 (diff) | |
| download | linux-929eaf32dde42857cae6cd0e42eb789d15dfe003.tar.xz | |
nouveau: add an ioctl to return vram bar size.
[ Upstream commit 3f4d8aac6e768c2215ce68275256971c2f54f0c8 ]
This returns the BAR resources size so userspace can make
decisions based on rebar support.
userspace using this has been proposed for nvk, but
it's a rather trivial uapi addition.
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Stable-dep-of: aed9a1a4f710 ("drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/nouveau_drm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h index 0bade1592f34..10a917639d8d 100644 --- a/include/uapi/drm/nouveau_drm.h +++ b/include/uapi/drm/nouveau_drm.h @@ -54,6 +54,13 @@ extern "C" { */ #define NOUVEAU_GETPARAM_EXEC_PUSH_MAX 17 +/* + * NOUVEAU_GETPARAM_VRAM_BAR_SIZE - query bar size + * + * Query the VRAM BAR size. + */ +#define NOUVEAU_GETPARAM_VRAM_BAR_SIZE 18 + struct drm_nouveau_getparam { __u64 param; __u64 value; |