diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0627-drm-amdgpu-psp-ignore-psp-response-status.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0627-drm-amdgpu-psp-ignore-psp-response-status.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0627-drm-amdgpu-psp-ignore-psp-response-status.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0627-drm-amdgpu-psp-ignore-psp-response-status.patch new file mode 100644 index 00000000..5c2954c3 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0627-drm-amdgpu-psp-ignore-psp-response-status.patch @@ -0,0 +1,55 @@ +From f232a7992fef0100282ce291ace8eb72b263dc87 Mon Sep 17 00:00:00 2001 +From: Aaron Liu <aaron.liu@amd.com> +Date: Mon, 14 Jan 2019 16:08:32 +0800 +Subject: [PATCH 0627/2940] drm/amdgpu/psp: ignore psp response status +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +In some cases, psp response status is not 0 even there is no +problem while the command is submitted. Some version of PSP FW +doesn't write 0 to that field. +So here we would like to only print a warning instead of an error +during psp initialization to avoid breaking hw_init and it doesn't +return -EINVAL. + +Change-Id: I680679983f972b6969f4949f1faafaf17fe996a6 +Signed-off-by: Aaron Liu <aaron.liu@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Reviewed-by: Xiangliang Yu<Xiangliang.Yu@amd.com> +Acked-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> +Reviewed-by: Paul Menzel <pmenzel+amd-gfx@molgen.mpg.de> +Signed-off-by: Raveendra Talabattula <raveendra.talabattula@amd.com> +Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 11 ++++++++--- + 1 file changed, 8 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +index 4b74c9ccb0e8..cfe71dc8bfc1 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +@@ -134,11 +134,16 @@ psp_cmd_submit_buf(struct psp_context *psp, + msleep(1); + } + +- /* the status field must be 0 after FW is loaded */ ++ /* In some cases, psp response status is not 0 even there is no ++ * problem while the command is submitted. Some version of PSP FW ++ * doesn't write 0 to that field. ++ * So here we would like to only print a warning instead of an error ++ * during psp initialization to avoid breaking hw_init and it doesn't ++ * return -EINVAL. ++ */ + if (ucode && psp->cmd_buf_mem->resp.status) { +- DRM_ERROR("failed loading with status (%d) and ucode id (%d)\n", ++ DRM_WARN("failed loading with status (%d) and ucode id (%d)\n", + psp->cmd_buf_mem->resp.status, ucode->ucode_id); +- return -EINVAL; + } + + if (ucode) { +-- +2.17.1 + |