return size;
}
+/*
+ * Backlight at this moment. Read only.
+ * As written to display, taking ABM and backlight lut into account.
+ * Ranges from 0x0 to 0x10000 (= 100% PWM)
+ */
+static int current_backlight_read(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 amdgpu_device *adev = dev->dev_private;
+ struct dc *dc = adev->dm.dc;
+ unsigned int backlight = dc_get_current_backlight_pwm(dc);
+
+ seq_printf(m, "0x%x\n", backlight);
+ return 0;
+}
+
+/*
+ * Backlight value that is being approached. Read only.
+ * As written to display, taking ABM and backlight lut into account.
+ * Ranges from 0x0 to 0x10000 (= 100% PWM)
+ */
+static int target_backlight_read(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 amdgpu_device *adev = dev->dev_private;
+ struct dc *dc = adev->dm.dc;
+ unsigned int backlight = dc_get_target_backlight_pwm(dc);
+
+ seq_printf(m, "0x%x\n", backlight);
+ return 0;
+}
+
+static const struct drm_info_list amdgpu_dm_debugfs_list[] = {
+ {"amdgpu_current_backlight_pwm", ¤t_backlight_read},
+ {"amdgpu_target_backlight_pwm", &target_backlight_read},
+};
+
int dtn_debugfs_init(struct amdgpu_device *adev)
{
static const struct file_operations dtn_log_fops = {
};
struct drm_minor *minor = adev->ddev->primary;
- struct dentry *root = minor->debugfs_root;
+ struct dentry *ent, *root = minor->debugfs_root;
+ int ret;
+
+ ret = amdgpu_debugfs_add_files(adev, amdgpu_dm_debugfs_list,
+ ARRAY_SIZE(amdgpu_dm_debugfs_list));
+ if (ret)
+ return ret;
- struct dentry *ent = debugfs_create_file(
+ ent = debugfs_create_file(
"amdgpu_dm_dtn_log",
0644,
root,
core_link_resume(dc->links[i]);
}
+unsigned int dc_get_current_backlight_pwm(struct dc *dc)
+{
+ struct abm *abm = dc->res_pool->abm;
+
+ if (abm)
+ return abm->funcs->get_current_backlight(abm);
+
+ return 0;
+}
+
+unsigned int dc_get_target_backlight_pwm(struct dc *dc)
+{
+ struct abm *abm = dc->res_pool->abm;
+
+ if (abm)
+ return abm->funcs->get_target_backlight(abm);
+
+ return 0;
+}
+
bool dc_is_dmcu_initialized(struct dc *dc)
{
struct dmcu *dmcu = dc->res_pool->dmcu;