Unverified Commit 03df122f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12234 drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6 

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/RHBRFOP34S2IB5PZAR4RI3TJZPTYIW27/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAUATF 
 
Link:https://gitee.com/openeuler/kernel/pulls/12234

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 79083535 24bb620a

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+4 −1
Original line number Diff line number Diff line
@@ -3344,7 +3344,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 


	/* There is one primary plane per CRTC */

	primary_planes = dm->dc->caps.max_streams;

	ASSERT(primary_planes <= AMDGPU_MAX_PLANES);

	if (primary_planes > AMDGPU_MAX_PLANES) {

		DRM_ERROR("DM: Plane nums out of 6 planes\n");

		return -EINVAL;

	}



	/*

	 * Initialize primary planes, implicit planes for legacy IOCTLS.