[PATCH v2 2/2] drm/vkms: allow the primary plane to be positioned

[Maíra Canal]

Before commit bc0d7fdefec6 ("drm: vkms: Supports to the case where
primary plane doesn't match the CRTC"), the composition was executed
on top of the primary plane. Therefore, the primary plane needed to cover
the entire CRTC. After commit bc0d7fdefec6, this is no longer necessary,
as the composition is now executed on top of the CRTC.

Then, allow the primary plane to be positioned in such a way that it
doesn't cover the entire CRTC.

This patch was tested with the vkms IGT testlist and all tests passed
successfully. Moreover, the test
igt at kms_universal_plane@universal-plane-pageflip-windowed-pipe-A
used to fail and now is passing.

Signed-off-by: Maíra Canal <mcanal at igalia.com>
---
 drivers/gpu/drm/vkms/vkms_plane.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index 458d16865c97..c41cec7dcb70 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -132,7 +132,6 @@ static int vkms_plane_atomic_check(struct drm_plane *plane,
 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
 										 plane);
 	struct drm_crtc_state *crtc_state;
-	bool can_position = false;
 	int ret;
 
 	if (!new_plane_state->fb || WARN_ON(!new_plane_state->crtc))
@@ -143,13 +142,10 @@ static int vkms_plane_atomic_check(struct drm_plane *plane,
 	if (IS_ERR(crtc_state))
 		return PTR_ERR(crtc_state);
 
-	if (plane->type != DRM_PLANE_TYPE_PRIMARY)
-		can_position = true;
-
 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  DRM_PLANE_NO_SCALING,
 						  DRM_PLANE_NO_SCALING,
-						  can_position, true);
+						  true, true);
 	if (ret != 0)
 		return ret;
 
-- 
2.39.2