During a hardware commit, the commit bit in the backend will only be
cleared if the TCON is enabled. Use the runtime_pm variant of the
atomic_commit_tail hook that makes sure that the CRTC, our TCON, is enabled
when we perform an atomic_commit.
Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
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 2992f0a6b349..a01a5b7d46e6 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/drm_gem_framebuffer_helper.h>
@@ -32,6 +33,10 @@ static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
};
+static struct drm_mode_config_helper_funcs sun4i_de_mode_config_helpers = {
+ .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
+};
+
struct drm_fbdev_cma *sun4i_framebuffer_init(struct drm_device *drm)
{
drm_mode_config_reset(drm);
@@ -40,6 +45,7 @@ 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);
}
--
git-series 0.9.1
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