Re: [PATCH 6.1] drm/amdgpu/sdma4: set align mask to 255

[Greg KH <greg@kroah.com>]

On Sun, Jul 16, 2023 at 08:22:56PM -0500, Mario Limonciello wrote:
> From: Alex Deucher <alexander.deucher@amd.com>
> 
> The wptr needs to be incremented at at least 64 dword intervals,
> use 256 to align with windows.  This should fix potential hangs
> with unaligned updates.
> 
> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
> Reviewed-by: Aaron Liu <aaron.liu@amd.com>
> Reviewed-by: Christian König <christian.koenig@amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> (cherry picked from commit e5df16d9428f5c6d2d0b1eff244d6c330ba9ef3a)
> The path `drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c` doesn't exist in
> 6.1.y, only modify the file that does exist.
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Backports now queued up, thanks.

greg k-h