diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_drv.c')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_drv.c | 141 |
1 files changed, 130 insertions, 11 deletions
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 506b5626f3ed..6bd6abaa5a70 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -20,6 +20,7 @@ #include "sti_crtc.h" #include "sti_drv.h" +#include "sti_plane.h" #define DRIVER_NAME "sti" #define DRIVER_DESC "STMicroelectronics SoC DRM" @@ -30,6 +31,130 @@ #define STI_MAX_FB_HEIGHT 4096 #define STI_MAX_FB_WIDTH 4096 +static int sti_drm_fps_get(void *data, u64 *val) +{ + struct drm_device *drm_dev = data; + struct drm_plane *p; + unsigned int i = 0; + + *val = 0; + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + *val |= plane->fps_info.output << i; + i++; + } + + return 0; +} + +static int sti_drm_fps_set(void *data, u64 val) +{ + struct drm_device *drm_dev = data; + struct drm_plane *p; + unsigned int i = 0; + + list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + plane->fps_info.output = (val >> i) & 1; + i++; + } + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(sti_drm_fps_fops, + sti_drm_fps_get, sti_drm_fps_set, "%llu\n"); + +static int sti_drm_fps_dbg_show(struct seq_file *s, void *data) +{ + struct drm_info_node *node = s->private; + struct drm_device *dev = node->minor->dev; + struct drm_plane *p; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + list_for_each_entry(p, &dev->mode_config.plane_list, head) { + struct sti_plane *plane = to_sti_plane(p); + + seq_printf(s, "%s%s\n", + plane->fps_info.fps_str, + plane->fps_info.fips_str); + } + + mutex_unlock(&dev->struct_mutex); + return 0; +} + +static struct drm_info_list sti_drm_dbg_list[] = { + {"fps_get", sti_drm_fps_dbg_show, 0}, +}; + +static int sti_drm_debugfs_create(struct dentry *root, + struct drm_minor *minor, + const char *name, + const struct file_operations *fops) +{ + struct drm_device *dev = minor->dev; + struct drm_info_node *node; + struct dentry *ent; + + ent = debugfs_create_file(name, S_IRUGO | S_IWUSR, root, dev, fops); + if (IS_ERR(ent)) + return PTR_ERR(ent); + + node = kmalloc(sizeof(*node), GFP_KERNEL); + if (!node) { + debugfs_remove(ent); + return -ENOMEM; + } + + node->minor = minor; + node->dent = ent; + node->info_ent = (void *)fops; + + mutex_lock(&minor->debugfs_lock); + list_add(&node->list, &minor->debugfs_list); + mutex_unlock(&minor->debugfs_lock); + + return 0; +} + +static int sti_drm_dbg_init(struct drm_minor *minor) +{ + int ret; + + ret = drm_debugfs_create_files(sti_drm_dbg_list, + ARRAY_SIZE(sti_drm_dbg_list), + minor->debugfs_root, minor); + if (ret) + goto err; + + ret = sti_drm_debugfs_create(minor->debugfs_root, minor, "fps_show", + &sti_drm_fps_fops); + if (ret) + goto err; + + DRM_INFO("%s: debugfs installed\n", DRIVER_NAME); + return 0; +err: + DRM_ERROR("%s: cannot install debugfs\n", DRIVER_NAME); + return ret; +} + +void sti_drm_dbg_cleanup(struct drm_minor *minor) +{ + drm_debugfs_remove_files(sti_drm_dbg_list, + ARRAY_SIZE(sti_drm_dbg_list), minor); + + drm_debugfs_remove_files((struct drm_info_list *)&sti_drm_fps_fops, + 1, minor); +} + static void sti_atomic_schedule(struct sti_private *private, struct drm_atomic_state *state) { @@ -181,18 +306,9 @@ static const struct file_operations sti_driver_fops = { .release = drm_release, }; -static struct dma_buf *sti_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, - int flags) -{ - /* we want to be able to write in mmapped buffer */ - flags |= O_RDWR; - return drm_gem_prime_export(dev, obj, flags); -} - static struct drm_driver sti_driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | - DRIVER_GEM | DRIVER_PRIME, + DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC, .load = sti_load, .gem_free_object = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, @@ -207,7 +323,7 @@ static struct drm_driver sti_driver = { .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = sti_gem_prime_export, + .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, @@ -215,6 +331,9 @@ static struct drm_driver sti_driver = { .gem_prime_vunmap = drm_gem_cma_prime_vunmap, .gem_prime_mmap = drm_gem_cma_prime_mmap, + .debugfs_init = sti_drm_dbg_init, + .debugfs_cleanup = sti_drm_dbg_cleanup, + .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, |