linux-kernel - Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec

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Message-ID: <CADnq5_MMk51H+Zy9GT9esfm_ndVqYzwU4t_6tYHu9zzSiqSr9g@mail.gmail.com>
Date:	Thu, 10 Jan 2013 15:47:01 -0500
From:	Alex Deucher <alexdeucher@...il.com>
To:	Borislav Petkov <bp@...en8.de>,
	Alex Deucher <alexdeucher@...il.com>,
	Alex Deucher <alexander.deucher@....com>,
	dri-devel@...ts.freedesktop.org,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec

On Thu, Jan 10, 2013 at 3:32 PM, Borislav Petkov <bp@...en8.de> wrote:
> On Thu, Jan 10, 2013 at 11:21:21AM -0500, Alex Deucher wrote:
>> I'm assuming you didn't also update your userspace gfx stack?
>
> By that you mean x.org etc, right? Or GPU microcode too? In any case, I
> haven't touched any of those deliberately, AFAICR at least.

Right.  Xorg drivers or mesa drivers.

>
>> Does disabling the new DMA ring for ttm bo moves avoid the issue?
>
> How do I do that?

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c
b/drivers/gpu/drm/radeon/radeon_asic.c
index 9056faf..b0cc46d 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -974,8 +974,8 @@ static struct radeon_asic r600_asic = {
                .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
                .dma = &r600_copy_dma,
                .dma_ring_index = R600_RING_TYPE_DMA_INDEX,
-               .copy = &r600_copy_dma,
-               .copy_ring_index = R600_RING_TYPE_DMA_INDEX,
+               .copy = &r600_copy_blit,
+               .copy_ring_index = RADEON_RING_TYPE_GFX_INDEX,
        },
        .surface = {
                .set_reg = r600_set_surface_reg,
@@ -1058,8 +1058,8 @@ static struct radeon_asic rs780_asic = {
                .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
                .dma = &r600_copy_dma,
                .dma_ring_index = R600_RING_TYPE_DMA_INDEX,
-               .copy = &r600_copy_dma,
-               .copy_ring_index = R600_RING_TYPE_DMA_INDEX,
+               .copy = &r600_copy_blit,
+               .copy_ring_index = RADEON_RING_TYPE_GFX_INDEX,
        },
        .surface = {
                .set_reg = r600_set_surface_reg,


>
> Thanks.
>
> --
> Regards/Gruss,
>     Boris.
>
> Sent from a fat crate under my desk. Formatting is fine.
> --
--
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