[PATCH] amdgpu: Fix failing boot after support for third vce ring

[StDenis, Tom]

Do you have https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.7-wip&id=9d24b304abbe5380da1bc782b4460596e7cb1109 as well?


I've booted the tip of our staging-4.7 branch with a FIJI device (FURY) and was able to play videos (vdpau) and normal GL apps.


Tom


________________________________
From: Ernst Sjöstrand <ernstp at gmail.com>
Sent: Friday, October 14, 2016 09:05
To: StDenis, Tom
Cc: amd-gfx at lists.freedesktop.org
Subject: Re: [PATCH] amdgpu: Fix failing boot after support for third vce ring

Yes, the  6f0359ff73076483902de0c17f9649bf55651e2a I'm referring to is the same as
780605db12c52f2c22d4d2cc05ceb7d2a9d55579 (only exists in amd-staging).
So the last of those two commits is the one that causes my problem.

Regards
//Ernst

2016-10-14 14:53 GMT+02:00 StDenis, Tom <Tom.StDenis at amd.com<mailto:Tom.StDenis at amd.com>>:

Does your tree have


2f3d686d0ee95332d8888169c7b6788bb2d9f5ad

780605db12c52f2c22d4d2cc05ceb7d2a9d55579


in it?  Those are fixes for when the third ring were added.


Tom


________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org<mailto:amd-gfx-bounces at lists.freedesktop.org>> on behalf of Ernst Sjöstrand <ernstp at gmail.com<mailto:ernstp at gmail.com>>
Sent: Friday, October 14, 2016 08:49
To: amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org>
Cc: Ernst Sjöstrand
Subject: [PATCH] amdgpu: Fix failing boot after support for third vce ring

My Fiji class Fury fails to boot after commit
6f0359ff73076483902de0c17f9649bf55651e2a
"drm/amdgpu/vce3: add support for third vce ring"
This commits reverts the number of vce rings back to 2,
but leaves the other changes intact.

Signed-off-by: Ernst Sjöstrand <ernstp at gmail.com<mailto:ernstp at gmail.com>>
---
 drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 3f899e3..6f5eb64 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -358,7 +358,7 @@ static int vce_v3_0_early_init(void *handle)
             (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
                 return -ENOENT;

-       adev->vce.num_rings = 3;
+       adev->vce.num_rings = 2;

         vce_v3_0_set_ring_funcs(adev);
         vce_v3_0_set_irq_funcs(adev);
--
2.7.4

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