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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 12:04:10 +0200 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 14:09:27 +0200 |
| commit | 439057ec3b748b1ff61855d09859f369493e22d8 (patch) | |
| tree | 488f331128a8ba653855b4434dcf1825b12804bb /arch/loongarch/vdso | |
| parent | LoongArch: Add ELF-related definitions (diff) | |
| download | linux-439057ec3b748b1ff61855d09859f369493e22d8.tar.xz linux-439057ec3b748b1ff61855d09859f369493e22d8.zip | |
LoongArch: Add writecombine support for drm
LoongArch maintains cache coherency in hardware, but its WUC attribute
(Weak-ordered UnCached, which is similar to WC) is out of the scope of
cache coherency machanism. This means WUC can only used for write-only
memory regions.
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/vdso')
0 files changed, 0 insertions, 0 deletions