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authorAlexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>2018-07-16 13:07:07 +0300
committerLiviu Dudau <Liviu.Dudau@arm.com>2018-10-02 13:54:26 +0300
commitcabce6343fdff516f954c367d0d57dd566244942 (patch)
tree1a7428ae9c446da75ccdca0e65d008dfeb6ebbda /drivers/gpu/drm/arm
parent87c2ee740c07f1edae9eec8bc45cb9b32a68f323 (diff)
downloadlinux-cabce6343fdff516f954c367d0d57dd566244942.tar.xz
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 <alexandru-cosmin.gheorghe@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Diffstat (limited to 'drivers/gpu/drm/arm')
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 3171ffaadd77..34eec1a22428 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -752,6 +752,7 @@ 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;