From: Rob Clark robdclark@chromium.org
stable inclusion from stable-v5.10.112 commit 5f78ad93837c61ed62a6f7b10a960c0c9218382c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5HL0X
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 537fef808be5ea56f6fc06932162550819a3b3c3 ]
The fourth param is size, rather than range_end.
Note that we could increase the address space size if we had a way to prevent buffers from spanning a 4G split, mostly just to avoid fw bugs with 64b math.
Fixes: 84c31ee16f90 ("drm/msm/a6xx: Add support for per-instance pagetables") Signed-off-by: Rob Clark robdclark@chromium.org Link: https://lore.kernel.org/r/20220407202836.1211268-1-robdclark@gmail.com Signed-off-by: Rob Clark robdclark@chromium.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 9e09805575db..39563daff4a0 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1222,7 +1222,7 @@ a6xx_create_private_address_space(struct msm_gpu *gpu) return ERR_CAST(mmu);
return msm_gem_address_space_create(mmu, - "gpu", 0x100000000ULL, 0x1ffffffffULL); + "gpu", 0x100000000ULL, SZ_4G); }
static uint32_t a6xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)