Commit 56e4b1e1 authored Sep 29, 2016 by Bibby Hsieh Committed by CK Hu Oct 19, 2016

drm/mediatek: clear IRQ status before enable OVL interrupt



To make sure that the first vblank IRQ after enabling
vblank isn't too short or immediate, we have to clear
the IRQ status before enable OVL interrupt.

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>

parent f752fff6

drivers/gpu/drm/mediatek/mtk_disp_ovl.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,7 @@ static void mtk_ovl_enable_vblank(struct mtk_ddp_comp *comp,
		ddp_comp);

		priv->crtc = crtc;
		writel(0x0, comp->regs + DISP_REG_OVL_INTSTA);
		writel_relaxed(OVL_FME_CPL_INT, comp->regs + DISP_REG_OVL_INTEN);
		}

Admin message