On Tuesday, January 19th, 2021 at 2:54 AM, Lyude Paul <ly...@redhat.com> wrote:
> Nvidia hardware doesn't actually support using tiling formats with the
> cursor plane, only linear is allowed. In the future, we should write a
> testcase for this.
>
> Fixes: c586f30bf74c ("drm/nouveau/kms: Add format mod prop to
> base/ovly/nvdisp")
> Cc: James Jones <jajo...@nvidia.com>
> Cc: Martin Peres <martin.pe...@free.fr>
> Cc: Jeremy Cline <jcl...@redhat.com>
> Cc: Simon Ser <cont...@emersion.fr>
> Cc: <sta...@vger.kernel.org> # v5.8+
> Signed-off-by: Lyude Paul <ly...@redhat.com>
Together with [1], this patch allows me to run unpatched modifier-aware
user-space successfully, without a cursor visual glitch. drm_info
correctly reports the new modifier list, and wlroots logs confirm that
a flavor of NVIDIA_BLOCK_LINEAR_2D is used for the primary buffers and
LINEAR is used for cursor buffers.
Code looks good to me as well.
Reviewed-by: Simon Ser <cont...@emersion.fr>
[1]: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3724
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