The backend (planes) commit can only happen when the TCON (CRTC) is enabled, which is not guaranteed with the default commit_tail helper.
Let's use the runtime_pm version that is designed specifically to deal with that case.
Signed-off-by: Maxime Ripard maxime.ripard@free-electrons.com --- drivers/gpu/drm/sun4i/sun4i_framebuffer.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c index 9872e0fc03b0..189048d33a1d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c +++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c @@ -10,6 +10,7 @@ * the License, or (at your option) any later version. */
+#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drmP.h> @@ -31,6 +32,10 @@ static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = { .fb_create = drm_fb_cma_create, };
+static struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = { + .atomic_commit_tail = drm_atomic_helper_commit_tail_runtime_pm, +}; + struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm) { drm_mode_config_reset(drm); @@ -39,6 +44,7 @@ struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm) drm->mode_config.max_height = 8192;
drm->mode_config.funcs = &sun4i_de_mode_config_funcs; + drm->mode_config.helper_private = &sun4i_de_mode_config_helpers;
return drm_fbdev_cma_init(drm, 32, drm->mode_config.num_connector); }