Hello!
On 03/05/2017 07:00 PM, Kieran Bingham wrote:
Currently we process page flip events on every display interrupt,
however this does not take into consideration the processing time needed
by the VSP1 utilised in the pipeline.
Register a callback with the VSP driver to obtain completion events, and
track them so that we only perform page flips when the full display
pipeline has completed for the frame.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
[...]
#endif /* __RCAR_DU_CRTC_H__ */
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index b0ff304ce3dc..cbb6f54c99ef 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -28,6 +28,13 @@
#include "rcar_du_kms.h"
#include "rcar_du_vsp.h"
+static void rcar_du_vsp_complete(void *private)
+{
+ struct rcar_du_crtc *crtc = (struct rcar_du_crtc *)private;
No need for explicit cast.
+
+ rcar_du_crtc_finish_page_flip(crtc);
+}
+
void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
{
const struct drm_display_mode *mode = &crtc->crtc.state->adjusted_mode;
[...]
MBR, Sergei
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