Commit 911684de authored by Beatriz Martins de Carvalho's avatar Beatriz Martins de Carvalho Committed by Melissa Wen
Browse files

drm/vkms: Create a debugfs file to get vkms config data 



Creating a vkms_config debugfs file in vkms_drv.c to get/track vkms config
data, for the long-term plan of making vkms configurable and have multiple
different instances.

Reviewed-by: default avatarMelissa Wen <melissa.srw@gmail.com>
Signed-off-by: default avatarBeatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Signed-off-by: default avatarMelissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708092002.11847-1-martinsdecarvalhobeatriz@gmail.com
parent 3e1ad79b

drivers/gpu/drm/vkms/vkms_drv.c

+28 −0
Original line number Diff line number Diff line
@@ -28,6 +28,9 @@ 


#include "vkms_drv.h"



#include <drm/drm_print.h>

#include <drm/drm_debugfs.h>



#define DRIVER_NAME	"vkms"

#define DRIVER_DESC	"Virtual Kernel Mode Setting"

#define DRIVER_DATE	"20180514"
@@ -86,12 +89,37 @@ static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state) 
	drm_atomic_helper_cleanup_planes(dev, old_state);

}



static int vkms_config_show(struct seq_file *m, void *data)

{

	struct drm_info_node *node = (struct drm_info_node *)m->private;

	struct drm_device *dev = node->minor->dev;

	struct vkms_device *vkmsdev = drm_device_to_vkms_device(dev);



	seq_printf(m, "writeback=%d\n", vkmsdev->config->writeback);

	seq_printf(m, "cursor=%d\n", vkmsdev->config->cursor);

	seq_printf(m, "overlay=%d\n", vkmsdev->config->overlay);



	return 0;

}



static const struct drm_info_list vkms_config_debugfs_list[] = {

	{ "vkms_config", vkms_config_show, 0 },

};



static void vkms_config_debugfs_init(struct drm_minor *minor)

{

	drm_debugfs_create_files(vkms_config_debugfs_list, ARRAY_SIZE(vkms_config_debugfs_list),

				 minor->debugfs_root, minor);

}



static const struct drm_driver vkms_driver = {

	.driver_features	= DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,

	.release		= vkms_release,

	.fops			= &vkms_driver_fops,

	DRM_GEM_SHMEM_DRIVER_OPS,



	.debugfs_init           = vkms_config_debugfs_init,



	.name			= DRIVER_NAME,

	.desc			= DRIVER_DESC,

	.date			= DRIVER_DATE,