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From: Oded Gabbay <oded.gabbay@amd.com>
To: "Michel Dänzer" <michel@daenzer.net>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/radeon: Changing number of compute pipe lines
Date: Thu, 12 Mar 2015 11:08:06 +0200	[thread overview]
Message-ID: <55015776.805@amd.com> (raw)
In-Reply-To: <550156B2.4090002@daenzer.net>



On 03/12/2015 11:04 AM, Michel Dänzer wrote:
> On 12.03.2015 17:48, Oded Gabbay wrote:
>> From: Ben Goz <ben.goz@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@amd.com>
>> Signed-off-by: Oded Gabbay <oded.gabbay@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?)
> 
> 
Yes, I remembered that the moment after I sent the email :)
So I added the Cc stable to the patch in my repo.
Thanks for the reminder.

	Oded
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      reply	other threads:[~2015-03-12  9:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-12  8:48 [PATCH] drm/radeon: Changing number of compute pipe lines Oded Gabbay
2015-03-12  9:04 ` Michel Dänzer
2015-03-12  9:08   ` Oded Gabbay [this message]

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