From 69be1984ded00a11b1ed0888c6d8e4f35370372f Mon Sep 17 00:00:00 2001 From: Alexandru Gheorghe Date: Mon, 16 Jul 2018 11:07:07 +0100 Subject: drm: mali-dp: Call drm_crtc_vblank_reset on device init Currently, if userspace calls drm_wait_vblank before the crtc is activated the crtc vblank_enable hook is called, which in case of malidp driver triggers some warninngs. This happens because on device init we don't inform the drm core about the vblank state by calling drm_crtc_vblank_on/off/reset which together with drm_vblank_get have some magic that prevents calling drm_vblank_enable when crtc is off. Signed-off-by: Alexandru Gheorghe Acked-by: Liviu Dudau Signed-off-by: Liviu Dudau --- drivers/gpu/drm/arm/malidp_drv.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index 08b5bb219816..94d6dabec2dc 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -754,6 +754,7 @@ static int malidp_bind(struct device *dev) drm->irq_enabled = true; ret = drm_vblank_init(drm, drm->mode_config.num_crtc); + drm_crtc_vblank_reset(&malidp->crtc); if (ret < 0) { DRM_ERROR("failed to initialise vblank\n"); goto vblank_fail; -- cgit 1.4.1