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-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_crtc.c8
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_crtc.h2
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_vsp.c8
3 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index 6e5bd0b92dfa..301ea1a8018e 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -690,6 +690,7 @@ static int rcar_du_crtc_enable_vblank(struct drm_crtc *crtc)
rcar_du_crtc_write(rcrtc, DSRCR, DSRCR_VBCL);
rcar_du_crtc_set(rcrtc, DIER, DIER_VBE);
+ rcrtc->vblank_enable = true;
return 0;
}
@@ -699,6 +700,7 @@ static void rcar_du_crtc_disable_vblank(struct drm_crtc *crtc)
struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
rcar_du_crtc_clr(rcrtc, DIER, DIER_VBE);
+ rcrtc->vblank_enable = false;
}
static const struct drm_crtc_funcs crtc_funcs = {
@@ -743,10 +745,10 @@ static irqreturn_t rcar_du_crtc_irq(int irq, void *arg)
spin_unlock(&rcrtc->vblank_lock);
if (status & DSSR_VBK) {
- drm_crtc_handle_vblank(&rcrtc->crtc);
-
- if (rcdu->info->gen < 3)
+ if (rcdu->info->gen < 3) {
+ drm_crtc_handle_vblank(&rcrtc->crtc);
rcar_du_crtc_finish_page_flip(rcrtc);
+ }
ret = IRQ_HANDLED;
}
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
index 065b91f5b1d9..fdc2bf99bda1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
@@ -32,6 +32,7 @@ struct rcar_du_vsp;
* @mmio_offset: offset of the CRTC registers in the DU MMIO block
* @index: CRTC software and hardware index
* @initialized: whether the CRTC has been initialized and clocks enabled
+ * @vblank_enable: whether vblank events are enabled on this CRTC
* @event: event to post when the pending page flip completes
* @flip_wait: wait queue used to signal page flip completion
* @vblank_lock: protects vblank_wait and vblank_count
@@ -51,6 +52,7 @@ struct rcar_du_crtc {
unsigned int index;
bool initialized;
+ bool vblank_enable;
struct drm_pending_vblank_event *event;
wait_queue_head_t flip_wait;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index e43b065e141a..6de6be3d9090 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -31,11 +31,15 @@
#include "rcar_du_kms.h"
#include "rcar_du_vsp.h"
-static void rcar_du_vsp_complete(void *private)
+static void rcar_du_vsp_complete(void *private, bool completed)
{
struct rcar_du_crtc *crtc = private;
- rcar_du_crtc_finish_page_flip(crtc);
+ if (crtc->vblank_enable)
+ drm_crtc_handle_vblank(&crtc->crtc);
+
+ if (completed)
+ rcar_du_crtc_finish_page_flip(crtc);
}
void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)