diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3609-drm-amdgpu-cond_exec-only-for-schedule-with-a-job.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3609-drm-amdgpu-cond_exec-only-for-schedule-with-a-job.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3609-drm-amdgpu-cond_exec-only-for-schedule-with-a-job.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3609-drm-amdgpu-cond_exec-only-for-schedule-with-a-job.patch new file mode 100644 index 00000000..e922821b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3609-drm-amdgpu-cond_exec-only-for-schedule-with-a-job.patch @@ -0,0 +1,43 @@ +From bb21c8fdc8eadf04418c11b0b9ed8640238383a2 Mon Sep 17 00:00:00 2001 +From: Monk Liu <Monk.Liu@amd.com> +Date: Fri, 19 Jan 2018 19:06:31 +0800 +Subject: [PATCH 3609/4131] drm/amdgpu: cond_exec only for schedule with a job +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +issue: +under SR-IOV sometimes the iB test will fail on +gfx ring + +fix: +with cond_exec inserted in RB the gfx engine would +skip part packets if RLCV issue PREEMPT on gfx engine +if gfx engine is prior to COND_EXEC packet, this is +okay for regular command from UMD, but for the ib test +since the whole dma format doesn't support PREEMPT +so must remove the COND_EXEC from it. + +Change-Id: I73bd0479bf1307139ff3726a00c312526054aa6d +Signed-off-by: Monk Liu <Monk.Liu@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +index e0b9200..f45d906 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +@@ -189,7 +189,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, + } + } + +- if (ring->funcs->init_cond_exec) ++ if (job && ring->funcs->init_cond_exec) + patch_offset = amdgpu_ring_init_cond_exec(ring); + + if (ring->funcs->emit_hdp_flush +-- +2.7.4 + |