On Fri, Oct 14, 2016 at 7:55 PM, Rob Clark <robdcl...@gmail.com> wrote:
A short commit message detailing the change and info printed would
probably be helpful.
Aside from that,
Reviewed-by: Sean Paul <seanp...@chromium.org>
> 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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