In order to support normalized zpos, we need to call
drm_atomic_normalize_zpos in our driver's drm_mode_config_funcs'
atomic_check.
Let's duplicate the definition of drm_atomic_helper_check for now.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_framebuffer.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
index a01a5b7d46e6..e68004844abe 100644
--- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
@@ -26,9 +26,21 @@ static void sun4i_de_output_poll_changed(struct drm_device *drm)
drm_fbdev_cma_hotplug_event(drv->fbdev);
}
+static int sun4i_de_atomic_check(struct drm_device *dev,
+ struct drm_atomic_state *state)
+{
+ int ret;
+
+ ret = drm_atomic_helper_check_modeset(dev, state);
+ if (ret)
+ return ret;
+
+ return drm_atomic_helper_check_planes(dev, state);
+}
+
static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
.output_poll_changed = sun4i_de_output_poll_changed,
- .atomic_check = drm_atomic_helper_check,
+ .atomic_check = sun4i_de_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
.fb_create = drm_gem_fb_create,
};
--
git-series 0.9.1
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