Attachment 145323 Details for Bug 111481 – wip patch

[patch] wip patch

0001-drm-amdgpu-do-not-execute-0-sized-IBs.patch (text/plain), 1.01 KB, created by Pierre-Eric Pelloux-Prayer on 2019-09-10 15:23:51 UTC

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Creator: Pierre-Eric Pelloux-Prayer

Created: 2019-09-10 15:23:51 UTC

Size: 1.01 KB

patch

obsolete

>From c5087e15068bb9eaa66aa181dfa41fc98aa09df1 Mon Sep 17 00:00:00 2001
>From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
>Date: Tue, 10 Sep 2019 16:58:23 +0200
>Subject: [PATCH] drm/amdgpu: do not execute 0-sized IBs
>
>Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
>index 6882eeb93b4e..f6873d0ee893 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
>@@ -224,6 +224,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
> 			!amdgpu_sriov_vf(adev)) /* for SRIOV preemption, Preamble CE ib must be inserted anyway */
> 			continue;
> 
>+		if (ib->length_dw == 0) {
>+			/* On Navi gmc_v10_0_flush_gpu_tlb emits 0 sized IB */
>+			continue;
>+		}
>+
> 		amdgpu_ring_emit_ib(ring, job, ib, status);
> 		status &= ~AMDGPU_HAVE_CTX_SWITCH;
> 	}
>-- 
>2.23.0.rc1
>

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Attachments on bug 111481: 145225 | 145232 | 145233 | 145323 | 145324 | 145326 | 145436 | 145439 | 145668 | 145734 | 145766 | 145773 | 145799 | 145800 | 145807 | 145814 | 145827 | 145882 | 145904 | 145917

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