| Message ID | 1475119789-64619-2-git-send-email-bibby.hsieh@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Acked-by: CK Hu <ck.hu@mediatek.com> On Thu, 2016-09-29 at 11:29 +0800, Bibby Hsieh wrote: > MTK DRM driver didn't set the vblank_disable_allowed to > true, it cause that the irq_handler is called every > 16.6 ms (every vblank) when the display didn't be updated. > > Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index eebb7d8..941ec5f 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -200,6 +200,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) > if (ret < 0) > goto err_component_unbind; > > + drm->vblank_disable_allowed = true; > drm_kms_helper_poll_init(drm); > drm_mode_config_reset(drm); >
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index eebb7d8..941ec5f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -200,6 +200,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret < 0) goto err_component_unbind; + drm->vblank_disable_allowed = true; drm_kms_helper_poll_init(drm); drm_mode_config_reset(drm);
MTK DRM driver didn't set the vblank_disable_allowed to true, it cause that the irq_handler is called every 16.6 ms (every vblank) when the display didn't be updated. Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com> --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 1 + 1 file changed, 1 insertion(+)