diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1512-drm-amdgpu-add-psp-cmd-submit-timeout.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1512-drm-amdgpu-add-psp-cmd-submit-timeout.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1512-drm-amdgpu-add-psp-cmd-submit-timeout.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1512-drm-amdgpu-add-psp-cmd-submit-timeout.patch new file mode 100644 index 00000000..2c7334b4 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1512-drm-amdgpu-add-psp-cmd-submit-timeout.patch @@ -0,0 +1,40 @@ +From 9f6abf9fed8ee33265db1cf13cb52215e713ce77 Mon Sep 17 00:00:00 2001 +From: xinhui pan <xinhui.pan@amd.com> +Date: Wed, 23 Jan 2019 11:35:31 +0800 +Subject: [PATCH 1512/2940] drm/amdgpu: add psp cmd submit timeout + +Signed-off-by: xinhui pan <xinhui.pan@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +index 5abc07265107..e91e2118e5e3 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +@@ -121,6 +121,7 @@ psp_cmd_submit_buf(struct psp_context *psp, + { + int ret; + int index; ++ int timeout = 2000; + + memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE); + +@@ -134,8 +135,11 @@ psp_cmd_submit_buf(struct psp_context *psp, + return ret; + } + +- while (*((unsigned int *)psp->fence_buf) != index) ++ while (*((unsigned int *)psp->fence_buf) != index) { ++ if (--timeout == 0) ++ return -EINVAL; + msleep(1); ++ } + + /* In some cases, psp response status is not 0 even there is no + * problem while the command is submitted. Some version of PSP FW +-- +2.17.1 + |