diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2027-drm-amdgpu-report-more-amdgpu_fence_info.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2027-drm-amdgpu-report-more-amdgpu_fence_info.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2027-drm-amdgpu-report-more-amdgpu_fence_info.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2027-drm-amdgpu-report-more-amdgpu_fence_info.patch new file mode 100644 index 00000000..8ae568aa --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2027-drm-amdgpu-report-more-amdgpu_fence_info.patch @@ -0,0 +1,53 @@ +From 4069e21cdb03e3578ea82ccdca551da01611f2e1 Mon Sep 17 00:00:00 2001 +From: pding <Pixel.Ding@amd.com> +Date: Thu, 12 Oct 2017 13:53:20 +0800 +Subject: [PATCH 2027/4131] drm/amdgpu: report more amdgpu_fence_info +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Only for GFX ring. This can help checking MCBP feature. + +The fence at the end of the frame will indicate the completion status. +If the frame completed normally, the fence is written to the address +given in the EVENT_WRITE_EOP packet. If preemption occurred in the +previous IB the address is adjusted by 2 DWs. If work submitted in the +frame was reset before completion, the fence address is adjusted by +four DWs. In the case that preemption occurred, and before preemption +completed a reset was initiated, the address will be adjusted with six +DWs + +Signed-off-by: pding <Pixel.Ding@amd.com> +Reviewed-by: Monk Liu <monk.liu@amd.com> +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +index 333bad7..7bdedd7 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +@@ -641,6 +641,19 @@ static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data) + atomic_read(&ring->fence_drv.last_seq)); + seq_printf(m, "Last emitted 0x%08x\n", + ring->fence_drv.sync_seq); ++ ++ if (ring->funcs->type != AMDGPU_RING_TYPE_GFX) ++ continue; ++ ++ /* set in CP_VMID_PREEMPT and preemption occurred */ ++ seq_printf(m, "Last preempted 0x%08x\n", ++ le32_to_cpu(*(ring->fence_drv.cpu_addr + 2))); ++ /* set in CP_VMID_RESET and reset occurred */ ++ seq_printf(m, "Last reset 0x%08x\n", ++ le32_to_cpu(*(ring->fence_drv.cpu_addr + 4))); ++ /* Both preemption and reset occurred */ ++ seq_printf(m, "Last both 0x%08x\n", ++ le32_to_cpu(*(ring->fence_drv.cpu_addr + 6))); + } + return 0; + } +-- +2.7.4 + |