diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3948-drm-amdgpu-add-comments-in-ras-interrupt-callback.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3948-drm-amdgpu-add-comments-in-ras-interrupt-callback.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3948-drm-amdgpu-add-comments-in-ras-interrupt-callback.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3948-drm-amdgpu-add-comments-in-ras-interrupt-callback.patch new file mode 100644 index 00000000..c5827ef7 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3948-drm-amdgpu-add-comments-in-ras-interrupt-callback.patch @@ -0,0 +1,66 @@ +From fa95f0afe23433ca448e2b008934dace6697c7bf Mon Sep 17 00:00:00 2001 +From: Tao Zhou <tao.zhou1@amd.com> +Date: Mon, 23 Sep 2019 19:10:19 +0800 +Subject: [PATCH 3948/4256] drm/amdgpu: add comments in ras interrupt callback + +add comments to clarify why checking GFX IP BLOCK for each ras interrupt callback + +Signed-off-by: Tao Zhou <tao.zhou1@amd.com> +Reviewed-by: Guchun Chen <guchun.chen@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 7 ++++++- + drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 4 ++++ + drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 4 ++++ + 3 files changed, 14 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +index d1c436df0f3a..fdcb7057093f 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +@@ -636,7 +636,12 @@ int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev, + void *err_data, + struct amdgpu_iv_entry *entry) + { +- /* TODO ue will trigger an interrupt. */ ++ /* TODO ue will trigger an interrupt. ++ * ++ * When “Full RAS” is enabled, the per-IP interrupt sources should ++ * be disabled and the driver should only look for the aggregated ++ * interrupt via sync flood ++ */ + if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) { + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + if (adev->gfx.funcs->query_ras_error_count) +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +index 7744de149949..d4fb9cf27e21 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +@@ -95,6 +95,10 @@ int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev, + { + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + ++ /* When “Full RAS” is enabled, the per-IP interrupt sources should ++ * be disabled and the driver should only look for the aggregated ++ * interrupt via sync flood ++ */ + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) + return AMDGPU_RAS_SUCCESS; + +diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +index 1dac74c441bb..cf784a4caa24 100644 +--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +@@ -1929,6 +1929,10 @@ static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev, + { + int instance; + ++ /* When “Full RAS” is enabled, the per-IP interrupt sources should ++ * be disabled and the driver should only look for the aggregated ++ * interrupt via sync flood ++ */ + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) + goto out; + +-- +2.17.1 + |