diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/1137-drm-amdgpu-acp-fix-resume-on-CZ-systems-with-AZ-audi.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/1137-drm-amdgpu-acp-fix-resume-on-CZ-systems-with-AZ-audi.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/1137-drm-amdgpu-acp-fix-resume-on-CZ-systems-with-AZ-audi.patch b/meta-amdfalconx86/recipes-kernel/linux/files/1137-drm-amdgpu-acp-fix-resume-on-CZ-systems-with-AZ-audi.patch new file mode 100644 index 00000000..2c2739b9 --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/files/1137-drm-amdgpu-acp-fix-resume-on-CZ-systems-with-AZ-audi.patch @@ -0,0 +1,31 @@ +From c0e62d528ca2557326eedc2f43460b6f4afcdf7b Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 13 Apr 2016 23:37:42 -0400 +Subject: [PATCH 17/17] drm/amdgpu/acp: fix resume on CZ systems with AZ audio + +Nothing to do on resume on systems with AZ audio. + +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +index 37ecc36..6549b3c 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +@@ -427,6 +427,10 @@ static int acp_resume(void *handle) + struct acp_pm_domain *apd; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + ++ /* return early if no ACP */ ++ if (!adev->acp.acp_genpd) ++ return 0; ++ + /* SMU block will power on ACP irrespective of ACP runtime status. + * Power off explicitly based on genpd ACP runtime status so that ACP + * hw and ACP-genpd status are in sync. +-- +2.7.4 + |