On Mon, Sep 17, 2018 at 01:37:33PM -0400, Lyude Paul wrote:
> As pointed out by Daniel Vetter, we should be usinng
> drm_drv_uses_atomic_modeset() for determining whether or not we want to
> make the debugfs nodes for atomic instead of checking DRIVER_ATOMIC, as
> the former isn't an accurate representation of whether or not the driver
> is actually using atomic modesetting internally (even though it might
> not be exposing atomic capabilities).
>
> Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/drm_atomic.c | 2 +-
> drivers/gpu/drm/drm_debugfs.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 3eb061e11e2e..018fcdb353d2 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -2067,7 +2067,7 @@ static void __drm_state_dump(struct drm_device *dev, struct drm_printer *p,
> struct drm_connector *connector;
> struct drm_connector_list_iter conn_iter;
>
> - if (!drm_core_check_feature(dev, DRIVER_ATOMIC))
> + if (!drm_drv_uses_atomic_modeset(dev))
> return;
>
> list_for_each_entry(plane, &config->plane_list, head) {
> diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
> index 6f28fe58f169..373bd4c2b698 100644
> --- a/drivers/gpu/drm/drm_debugfs.c
> +++ b/drivers/gpu/drm/drm_debugfs.c
> @@ -151,7 +151,7 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
> return ret;
> }
>
> - if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
> + if (drm_drv_uses_atomic_modeset(dev)) {
> ret = drm_atomic_debugfs_init(minor);
> if (ret) {
> DRM_ERROR("Failed to create atomic debugfs files\n");
> --
> 2.17.1
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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