diff options
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_hw.c')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_hw.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index 2bfb542135ac..8abd335ec313 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -782,9 +782,15 @@ static irqreturn_t malidp_de_irq(int irq, void *arg) /* first handle the config valid IRQ */ dc_status = malidp_hw_read(hwdev, hw->map.dc_base + MALIDP_REG_STATUS); if (dc_status & hw->map.dc_irq_map.vsync_irq) { - /* we have a page flip event */ - atomic_set(&malidp->config_valid, 1); malidp_hw_clear_irq(hwdev, MALIDP_DC_BLOCK, dc_status); + /* do we have a page flip event? */ + if (malidp->event != NULL) { + spin_lock(&drm->event_lock); + drm_crtc_send_vblank_event(&malidp->crtc, malidp->event); + malidp->event = NULL; + spin_unlock(&drm->event_lock); + } + atomic_set(&malidp->config_valid, 1); ret = IRQ_WAKE_THREAD; } @@ -794,7 +800,7 @@ static irqreturn_t malidp_de_irq(int irq, void *arg) mask = malidp_hw_read(hwdev, MALIDP_REG_MASKIRQ); status &= mask; - if (status & de->vsync_irq) + if ((status & de->vsync_irq) && malidp->crtc.enabled) drm_crtc_handle_vblank(&malidp->crtc); malidp_hw_clear_irq(hwdev, MALIDP_DE_BLOCK, status); |