diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4390-drm-amdgpu-fix-vega20-pstate-status-change.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4390-drm-amdgpu-fix-vega20-pstate-status-change.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4390-drm-amdgpu-fix-vega20-pstate-status-change.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4390-drm-amdgpu-fix-vega20-pstate-status-change.patch new file mode 100644 index 00000000..712100ee --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4390-drm-amdgpu-fix-vega20-pstate-status-change.patch @@ -0,0 +1,50 @@ +From 99e982dad30772ca6c977f5c5bc2e2ba6f89fb04 Mon Sep 17 00:00:00 2001 +From: Jonathan Kim <jonathan.kim@amd.com> +Date: Wed, 6 Nov 2019 08:20:21 -0500 +Subject: [PATCH 4390/4736] drm/amdgpu: fix vega20 pstate status change + +vega20 only requires all devices be set to same pstate level for low +pstate and not high. + +Change-Id: I399c84a47f6e24abca937ce950685c0c7f0e3279 +Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> +Reviewed-by: Evan Quan <Evan.Quan@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +index e58bad7f64c6..6c6893b94114 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +@@ -276,6 +276,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate) + struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0); + struct amdgpu_device *tmp_adev; + bool update_hive_pstate = true; ++ bool is_high_pstate = pstate && adev->asic_type == CHIP_VEGA20; + + if (!hive) + return 0; +@@ -283,8 +284,8 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate) + mutex_lock(&hive->hive_lock); + + if (hive->pstate == pstate) { +- mutex_unlock(&hive->hive_lock); +- return 0; ++ adev->pstate = is_high_pstate ? pstate : adev->pstate; ++ goto out; + } + + dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate); +@@ -317,7 +318,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate) + break; + } + } +- if (update_hive_pstate) ++ if (update_hive_pstate || is_high_pstate) + hive->pstate = pstate; + + out: +-- +2.17.1 + |