diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4496-drm-amdgpu-skip-CG-for-VCN-when-late_init-fini.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4496-drm-amdgpu-skip-CG-for-VCN-when-late_init-fini.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4496-drm-amdgpu-skip-CG-for-VCN-when-late_init-fini.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4496-drm-amdgpu-skip-CG-for-VCN-when-late_init-fini.patch new file mode 100644 index 00000000..e31e772e --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4496-drm-amdgpu-skip-CG-for-VCN-when-late_init-fini.patch @@ -0,0 +1,37 @@ +From 05a5f4e203c4c5b7475b5755ad0fbb4400dc6924 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Wed, 16 May 2018 20:06:53 +0800 +Subject: [PATCH 4496/5725] drm/amdgpu: skip CG for VCN when late_init/fini + +VCN clockgating is handled manually like VCE and UVD. + +Change-Id: Icb285a3acae6d2664f543d004486654373f0dc91 +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +index 0adc774..1d20967 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -1764,6 +1764,7 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev) + /* skip CG for VCE/UVD, it's handled specially */ + if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && ++ adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->funcs->set_clockgating_state) { + /* enable clockgating to save power */ + r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, +@@ -1875,6 +1876,7 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) + + if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && ++ adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->funcs->set_clockgating_state) { + /* ungate blocks before hw fini so that we can shutdown the blocks safely */ + r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, +-- +2.7.4 + |