amdgpu fixes for 6.6 stable

Hi Greg, Sasha,

Please pick up the following upstream commits for 6.6.x stable: commit 04cef5f58395 ("drm/amd/amdgpu/amdgpu_doorbell_mgr: Correct misdocumented param 'doorbell_index'") commit 367a0af43373 ("drm/amdkfd: get doorbell's absolute offset based on the db_size")

They fix the following reported issue: Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3007 Fixes: c31866651086 ("drm/amdgpu: use doorbell mgr for kfd kernel doorbells")

Thanks,

Alex