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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0158-drm-amdgpu-add-status-checking-after-fw-is-loaded.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0158-drm-amdgpu-add-status-checking-after-fw-is-loaded.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0158-drm-amdgpu-add-status-checking-after-fw-is-loaded.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0158-drm-amdgpu-add-status-checking-after-fw-is-loaded.patch
new file mode 100644
index 00000000..aac2b505
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0158-drm-amdgpu-add-status-checking-after-fw-is-loaded.patch
@@ -0,0 +1,35 @@
+From ace564d038f9fb09c274fdc7bae9a83b402c6add Mon Sep 17 00:00:00 2001
+From: Huang Rui <ray.huang@amd.com>
+Date: Sun, 5 Aug 2018 12:45:35 +0800
+Subject: [PATCH 0158/2940] drm/amdgpu: add status checking after fw is loaded
+
+The status field must be 0 after FW is loaded.
+
+Signed-off-by: Huang Rui <ray.huang@amd.com>
+Acked-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+index 58e20385eab5..bd397d2916fb 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+@@ -134,6 +134,13 @@ psp_cmd_submit_buf(struct psp_context *psp,
+ msleep(1);
+ }
+
++ /* the status field must be 0 after FW is loaded */
++ if (ucode && psp->cmd_buf_mem->resp.status) {
++ DRM_ERROR("failed loading with status (%d) and ucode id (%d)\n",
++ psp->cmd_buf_mem->resp.status, ucode->ucode_id);
++ return -EINVAL;
++ }
++
+ if (ucode) {
+ ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
+ ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
+--
+2.17.1
+