xref: /OK3568_Linux_fs/buildroot/package/weston/0039-backend-drm-Allow-disabling-plane-scale.patch (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunFrom 559ab3c57109bfe774b3ea5bd5b3f06a1f55023c Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Jeffy Chen <jeffy.chen@rock-chips.com>
3*4882a593SmuzhiyunDate: Mon, 26 Oct 2020 16:23:27 +0800
4*4882a593SmuzhiyunSubject: [PATCH 39/95] backend-drm: Allow disabling plane scale
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunSet env WESTON_DRM_DISABLE_PLANE_SCALE to disable plane scale.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunSigned-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
9*4882a593Smuzhiyun---
10*4882a593Smuzhiyun libweston/backend-drm/drm.c | 3 +++
11*4882a593Smuzhiyun 1 file changed, 3 insertions(+)
12*4882a593Smuzhiyun
13*4882a593Smuzhiyundiff --git a/libweston/backend-drm/drm.c b/libweston/backend-drm/drm.c
14*4882a593Smuzhiyunindex ed902e8..756ee00 100644
15*4882a593Smuzhiyun--- a/libweston/backend-drm/drm.c
16*4882a593Smuzhiyun+++ b/libweston/backend-drm/drm.c
17*4882a593Smuzhiyun@@ -1217,6 +1217,9 @@ drm_plane_create(struct drm_device *device, const drmModePlane *kplane)
18*4882a593Smuzhiyun 					 props,
19*4882a593Smuzhiyun 					 WDRM_PLANE_FEATURE_SCALE);
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun+	if (getenv("WESTON_DRM_DISABLE_PLANE_SCALE"))
22*4882a593Smuzhiyun+		plane->can_scale = false;
23*4882a593Smuzhiyun+
24*4882a593Smuzhiyun 	zpos_range_values =
25*4882a593Smuzhiyun 		drm_property_get_range_values(&plane->props[WDRM_PLANE_ZPOS],
26*4882a593Smuzhiyun 					      props);
27*4882a593Smuzhiyun--
28*4882a593Smuzhiyun2.20.1
29*4882a593Smuzhiyun
30