On Wed, Jun 17, 2020 at 1:53 PM Eric Anholt <eric@xxxxxxxxxx> wrote:
>
> Previously the address space went from 16M to ~0u, but with the
> refactor one of the 'f's was dropped, limiting us to 256MB.
> Additionally, the new interface takes a start and size, not start and
> end, so we can't just copy and paste.
>
> Fixes regressions in dEQP-VK.memory.allocation.random.*
>
> Fixes: ccac7ce373c1 ("drm/msm: Refactor address space initialization")
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
rebased on https://patchwork.freedesktop.org/series/78281/ (which
fixed half of the problem) and pushed this and 2/2 to msm-next so it
should show up in linux-next shortly..
planning to wait a short time more to see if we find any other issues
and then send a -fixes PR
BR,
-R
> ---
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index 89673c7ed473..5db06b590943 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -194,7 +194,7 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu,
> struct msm_gem_address_space *aspace;
>
> aspace = msm_gem_address_space_create(mmu, "gpu", SZ_16M,
> - 0xfffffff);
> + 0xffffffff - SZ_16M);
>
> if (IS_ERR(aspace) && !IS_ERR(mmu))
> mmu->funcs->destroy(mmu);
> --
> 2.26.2
>
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