Commit 4517cf9b authored Jun 30, 2016 by Xinliang Liu Committed by Daniel Vetter Jul 12, 2016

drm/hisilicon: Fix ADE vblank on/off handling



Vblank turn on should be called in crtc's enable callback.
And turn off called in crtc's disable callback.

Thanks to Daniel Vetter, this bug is reported by him.

Reported-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160630092300.141864-1-xinliang.liu@linaro.org

parent da82ee99

drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -487,6 +487,7 @@ static void ade_crtc_enable(struct drm_crtc *crtc)
		ade_set_medianoc_qos(acrtc);
		ade_display_enable(acrtc);
		ade_dump_regs(ctx->base);
		drm_crtc_vblank_on(crtc);
		acrtc->enable = true;
		}

		@@ -498,6 +499,7 @@ static void ade_crtc_disable(struct drm_crtc *crtc)
		if (!acrtc->enable)
		return;

		drm_crtc_vblank_off(crtc);
		ade_power_down(ctx);
		acrtc->enable = false;
		}