[PATCH] drm/radeon: Changing number of compute pipe lines

[Michel Dänzer]

On 12.03.2015 17:48, Oded Gabbay wrote:
> From: Ben Goz <ben.goz at amd.com>
> 
> The current CP firmware can handle Usermode Queues only on MEC1.
> To reflect this firmware change, this commit reduces number of compute pipelines
> to 4 - 1, from 8 - 1 (the first pipeline is allocated for kgd).
> 
> Signed-off-by: Ben Goz <ben.goz at amd.com>
> Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
> ---
>  drivers/gpu/drm/radeon/radeon_kfd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
> index 061eaa9..122eb56 100644
> --- a/drivers/gpu/drm/radeon/radeon_kfd.c
> +++ b/drivers/gpu/drm/radeon/radeon_kfd.c
> @@ -153,7 +153,7 @@ void radeon_kfd_device_init(struct radeon_device *rdev)
>  			.compute_vmid_bitmap = 0xFF00,
>  
>  			.first_compute_pipe = 1,
> -			.compute_pipe_count = 8 - 1,
> +			.compute_pipe_count = 4 - 1,
>  		};
>  
>  		radeon_doorbell_get_kfd_info(rdev,
> 

Does this need to be backported to 3.19? (Does the current CP microcode
work with 3.19?)


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer