linux-kernel - [PATCH v2 5/7] drm/vc4: Allow vblank to be disabled

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Date:	Tue, 18 Aug 2015 14:54:06 -0700
From:	Eric Anholt <eric@...olt.net>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-arm-kernel@...ts.infradead.org,
	linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Stephen Warren <swarren@...dotorg.org>,
	Lee Jones <lee@...nel.org>, devicetree@...r.kernel.org,
	Derek Foreman <derekf@....samsung.com>,
	Eric Anholt <eric@...olt.net>
Subject: [PATCH v2 5/7] drm/vc4: Allow vblank to be disabled

From: Derek Foreman <derekf@....samsung.com>

Signed-off-by: Derek Foreman <derekf@....samsung.com>
Signed-off-by: Eric Anholt <eric@...olt.net>
---
 drivers/gpu/drm/vc4/vc4_kms.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index a34439f..f881cd4 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -77,6 +77,8 @@ int vc4_kms_load(struct drm_device *dev)
 	dev->mode_config.funcs = &vc4_mode_funcs;
 	dev->mode_config.preferred_depth = 24;
 
+	dev->vblank_disable_allowed = true;
+
 	ret = vc4_init_modeset_objects(dev);
 	if (ret)
 		goto fail;
-- 
2.1.4

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