On Wed, Aug 07, 2024 at 11:05:19AM +0100, Andi Shyti wrote:
> Hi,
>
> This patch series concludes on the memory mapping fixes and
> improvements by allowing partial memory mapping for the cpu
> memory as well.
>
> The partial memory mapping by adding an object offset was
> implicitely included in commit 8bdd9ef7e9b1 ("drm/i915/gem: Fix
> Virtual Memory mapping boundaries calculation") for the gtt
> memory.
Does userspace actually care? Do we have a flag or something, so that
userspace can discover this?
Adding complexity of any kind is absolute no-go, unless there's a
userspace need. This also includes the gtt accidental fix.
-Sima
>
> Andi
>
> Andi Shyti (2):
> drm/i915/gem: Do not look for the exact address in node
> drm/i915/gem: Calculate object page offset for partial memory mapping
>
> drivers/gpu/drm/i915/gem/i915_gem_mman.c | 10 ++++++----
> drivers/gpu/drm/i915/i915_mm.c | 12 +++++++++++-
> drivers/gpu/drm/i915/i915_mm.h | 3 ++-
> 3 files changed, 19 insertions(+), 6 deletions(-)
>
> --
> 2.45.2
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
