Commit 8c29107a authored by José Expósito's avatar José Expósito Committed by Luca Ceresoli
Browse files

drm/vkms: Allow to configure the default device creation 



Add a new module param to allow to create or not the default VKMS
instance. Useful when combined with configfs to avoid having additional
VKMS instances.

Tested-by: default avatarMark Yacoub <markyacoub@google.com>
Reviewed-by: default avatarLouis Chauvet <louis.chauvet@bootlin.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Reviewed-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: default avatarJosé Expósito <jose.exposito89@gmail.com>
Link: https://lore.kernel.org/r/20251016175618.10051-13-jose.exposito89@gmail.com


Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
parent 64229b84

drivers/gpu/drm/vkms/vkms_drv.c

+7 −0
Original line number Diff line number Diff line
@@ -50,6 +50,10 @@ static bool enable_overlay; 
module_param_named(enable_overlay, enable_overlay, bool, 0444);

MODULE_PARM_DESC(enable_overlay, "Enable/Disable overlay support");



static bool create_default_dev = true;

module_param_named(create_default_dev, create_default_dev, bool, 0444);

MODULE_PARM_DESC(create_default_dev, "Create or not the default VKMS device");



DEFINE_DRM_GEM_FOPS(vkms_driver_fops);



static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
@@ -219,6 +223,9 @@ static int __init vkms_init(void) 
	if (ret)

		return ret;



	if (!create_default_dev)

		return 0;



	config = vkms_config_default_create(enable_cursor, enable_writeback, enable_overlay);

	if (IS_ERR(config))

		return PTR_ERR(config);