From: Oded Gabbay <oded.gabbay@amd.com>
To: Alex Deucher <alexdeucher@gmail.com>, dri-devel@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>, stable@vger.kernel.org
Subject: Re: [PATCH] drm/radeon: don't init gpuvm if accel is disabled
Date: Thu, 29 Jan 2015 09:46:29 +0200 [thread overview]
Message-ID: <54C9E555.5090307@amd.com> (raw)
In-Reply-To: <1422474095-20982-1-git-send-email-alexander.deucher@amd.com>
On 01/28/2015 09:41 PM, Alex Deucher wrote:
> If acceleration is disabled, it does not make sense
> to init gpuvm since nothing will use it. Moreover,
> if radeon_vm_init() gets called it uses accel to try
> and clear the pde tables, etc. which results in a bug.
>
> Bug:
> https://bugs.freedesktop.org/show_bug.cgi?id=88786
>
> Signed-off-by: Alex Deucher<alexander.deucher@amd.com>
> Cc:stable@vger.kernel.org
Alex,
What is accel ?
Is there a situation where accel is disabled and HSA should work ? e.g. headless
mode ?
If so, we need gpuvm for local memory.
Oded
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next prev parent reply other threads:[~2015-01-29 7:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-28 19:41 [PATCH] drm/radeon: don't init gpuvm if accel is disabled Alex Deucher
2015-01-29 7:46 ` Oded Gabbay [this message]
2015-01-29 10:36 ` Christian König
2015-01-29 13:54 ` Deucher, Alexander
2015-01-29 13:58 ` Oded Gabbay
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