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authorLouis Chauvet <louis.chauvet@bootlin.com>2025-02-18 11:12:07 +0100
committerMaxime Ripard <mripard@kernel.org>2025-03-07 10:58:23 +0100
commitd1386d721d19f8127c2edd43601693e2856db8dd (patch)
treee6f8cd1f0c9b6b3f6b6ed1aa1d77f66efe12f604 /drivers/gpu/drm/vkms/vkms_output.c
parent969a3a4e2ba30138f065dbf8904798a80a528ca5 (diff)
drm/vkms: Add a validation function for VKMS configuration
As the configuration will be used by userspace, add a validator to avoid creating a broken DRM device. For the moment, the function always returns true, but rules will be added in future patches. Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> Co-developed-by: José Expósito <jose.exposito89@gmail.com> Signed-off-by: José Expósito <jose.exposito89@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250218101214.5790-8-jose.exposito89@gmail.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_output.c')
-rw-r--r--drivers/gpu/drm/vkms/vkms_output.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 068a7f87ecec..414cc933af41 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -16,6 +16,9 @@ int vkms_output_init(struct vkms_device *vkmsdev)
int writeback;
unsigned int n;
+ if (!vkms_config_is_valid(vkmsdev->config))
+ return -EINVAL;
+
/*
* Initialize used plane. One primary plane is required to perform the composition.
*