Signed-off-by: Rob Clark <robdcl...@gmail.com>
---
drivers/gpu/drm/drm_atomic.c | 40 ++++++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/drm_debugfs.c | 9 +++++++++
include/drm/drm_atomic.h | 4 ++++
3 files changed, 53 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 3cc3cb5..117d429 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1565,6 +1565,46 @@ static void drm_atomic_print_state(const struct
drm_atomic_state *state)
drm_atomic_connector_print_state(&p, connector_state);
}
+#ifdef CONFIG_DEBUG_FS
+static int drm_state_info(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 drm_mode_config *config = &dev->mode_config;
+ struct drm_plane *plane;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ struct drm_print p = drm_print_seq_file(m);
+
+ drm_modeset_lock_all(dev);
+
+ list_for_each_entry(plane, &config->plane_list, head)
+ drm_atomic_plane_print_state(&p, plane->state);
+
+ list_for_each_entry(crtc, &config->crtc_list, head)
+ drm_atomic_crtc_print_state(&p, crtc->state);
+
+ list_for_each_entry(connector, &config->connector_list, head)
+ drm_atomic_connector_print_state(&p, connector->state);
+
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
+/* any use in debugfs files to dump individual planes/crtc/etc? */
+static const struct drm_info_list drm_atomic_debugfs_list[] = {
+ {"state", drm_state_info, 0},
+};
+
+int drm_atomic_debugfs_init(struct drm_minor *minor)
+{
+ return drm_debugfs_create_files(drm_atomic_debugfs_list,
+ ARRAY_SIZE(drm_atomic_debugfs_list),
+ minor->debugfs_root, minor);
+}
+#endif
+
/*
* The big monstor ioctl
*/
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index fa10cef..d8945a9 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -36,6 +36,7 @@
#include <linux/export.h>
#include <drm/drmP.h>
#include <drm/drm_edid.h>
+#include <drm/drm_atomic.h>
#include "drm_internal.h"
#if defined(CONFIG_DEBUG_FS)
@@ -163,6 +164,14 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
return ret;
}
+ if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
+ ret = drm_atomic_debugfs_init(minor);
+ if (ret) {
+ DRM_ERROR("Failed to create atomic debugfs files\n");
+ return ret;
+ }
+ }
+
if (dev->driver->debugfs_init) {
ret = dev->driver->debugfs_init(minor);
if (ret) {
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 856a9c8..68422f6 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -181,6 +181,10 @@ int __must_check drm_atomic_check_only(struct
drm_atomic_state *state);
int __must_check drm_atomic_commit(struct drm_atomic_state *state);
int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state);
+#ifdef CONFIG_DEBUG_FS
+int drm_atomic_debugfs_init(struct drm_minor *minor);
+#endif
+
#define for_each_connector_in_state(__state, connector, connector_state, __i) \
for ((__i) = 0; \
(__i) < (__state)->num_connector &&
\
--
2.7.4
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