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nouveau/winsys: Store the nouveau kernel version

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This is so we can enable features needing kernel support based on whether the
detected kernel driver supports them or not by checking for the version in
nvkmd.

Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38702>
This commit is contained in:
Mohamed Ahmed 2025-10-11 21:48:23 +03:00 • committed by Marge Bot
parent 7a492e102f
commit 3af0ee04a5
2 changed files with 4 additions and 0 deletions
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2
src/nouveau/winsys/nouveau_device.c
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@ -441,6 +441,8 @@ nouveau_ws_device_new(drmDevicePtr drm_device)
if (version < 0x01000301)
goto out_err;
device->nouveau_version = version;
const uint64_t KERN = NOUVEAU_WS_DEVICE_KERNEL_RESERVATION_START;
const uint64_t TOP = 1ull << 40;
struct drm_nouveau_vm_init vminit = { KERN, TOP-KERN };

2
src/nouveau/winsys/nouveau_device.h
View file

@ -27,6 +27,8 @@ struct nouveau_ws_device {
struct hash_table *bos;
bool has_vm_bind;
uint32_t nouveau_version;
};
struct nouveau_ws_device *nouveau_ws_device_new(struct _drmDevice *drm_device);