diff options
| author | Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com> | 2021-07-08 10:20:02 +0100 |
|---|---|---|
| committer | Melissa Wen <melissa.srw@gmail.com> | 2021-07-08 21:44:13 +0100 |
| commit | 911684de2a8b891603784703cd5a316fc98b3c0a (patch) | |
| tree | 23ae642dfae7d6a02913db5489b0a10474e4f717 | |
| parent | 3e1ad79bf66165bdb2baca3989f9227939241f11 (diff) | |
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: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Beatriz Martins de Carvalho <martinsdecarvalhobeatriz@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708092002.11847-1-martinsdecarvalhobeatriz@gmail.com
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_drv.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index e806958027c2..0ffe5f0e33f7 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -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, |