Re: [PATCH] drm/amdkfd: bump minimum vgpr size for gfx1151

[Mario Limonciello <superm1@kernel.org>]

On 12/5/25 1:57 PM, Jonathan Kim wrote:
> GFX1151 has 1.5x the number of available physical VGPRs per SIMD.
> Bump total memory availability for acquire checks on queue creation.
> 

Cc: stable@vger.kernel.org
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>

> Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
> ---
>   drivers/gpu/drm/amd/amdkfd/kfd_queue.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
> index f1e7583650c4..80c4fa2b0975 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
> @@ -409,6 +409,7 @@ static u32 kfd_get_vgpr_size_per_cu(u32 gfxv)
>   		vgpr_size = 0x80000;
>   	else if (gfxv == 110000 ||		/* GFX_VERSION_PLUM_BONITO */
>   		 gfxv == 110001 ||		/* GFX_VERSION_WHEAT_NAS */
> +		 gfxv == 110501 ||		/* GFX_VERSION_GFX1151 */
>   		 gfxv == 120000 ||		/* GFX_VERSION_GFX1200 */
>   		 gfxv == 120001)		/* GFX_VERSION_GFX1201 */
>   		vgpr_size = 0x60000;