diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4275-drm-amdgpu-sdma5-do-not-execute-0-sized-IBs-v2.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4275-drm-amdgpu-sdma5-do-not-execute-0-sized-IBs-v2.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4275-drm-amdgpu-sdma5-do-not-execute-0-sized-IBs-v2.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4275-drm-amdgpu-sdma5-do-not-execute-0-sized-IBs-v2.patch new file mode 100644 index 00000000..dcff327b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4275-drm-amdgpu-sdma5-do-not-execute-0-sized-IBs-v2.patch @@ -0,0 +1,34 @@ +From 99c7a912113644a9ab79ca59b5964473930f962d Mon Sep 17 00:00:00 2001 +From: "Pelloux-prayer, Pierre-eric" <Pierre-eric.Pelloux-prayer@amd.com> +Date: Tue, 22 Oct 2019 19:22:11 +0200 +Subject: [PATCH 4275/4736] drm/amdgpu/sdma5: do not execute 0-sized IBs (v2) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This seems to help with https://bugs.freedesktop.org/show_bug.cgi?id=111481. + +v2: insert a NOP instead of skipping all 0-sized IBs to avoid breaking older hw + +Change-Id: I5df87b3e4eb920c645307425f7b72c430704939a +Signed-off-by: Pelloux-prayer, Pierre-eric <Pierre-eric.Pelloux-prayer@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +index 6a73e8d95f0a..3b00bce14cfb 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +@@ -309,6 +309,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, + + job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo); + job->vm_needs_flush = true; ++ job->ibs->ptr[job->ibs->length_dw++] = ring->funcs->nop; + amdgpu_ring_pad_ib(ring, &job->ibs[0]); + r = amdgpu_job_submit(job, &adev->mman.entity, + AMDGPU_FENCE_OWNER_UNDEFINED, &fence); +-- +2.17.1 + |