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From: s.hauer@pengutronix.de (Sascha Hauer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] drm: make gamma_set optional
Date: Wed, 11 Apr 2012 17:33:43 +0200	[thread overview]
Message-ID: <1334158428-23735-3-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1334158428-23735-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/gpu/drm/drm_crtc.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index b14496e..75f66a5 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3108,6 +3108,11 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev,
 		goto out;
 	}
 
+	if (!crtc->funcs->gamma_set) {
+		ret = -ENOSYS;
+		goto out;
+	}
+
 	crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
 
 out:
-- 
1.7.9.5

  parent reply	other threads:[~2012-04-11 15:33 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-11 15:33 [RFC] DRM helpers for embedded systems Sascha Hauer
2012-04-11 15:33 ` [PATCH 1/7] drm: remove legacy mode_group handling Sascha Hauer
2012-04-11 15:33 ` Sascha Hauer [this message]
2012-04-11 15:33 ` [PATCH 3/7] DRM: add sdrm layer for general embedded system support Sascha Hauer
2012-04-11 20:22   ` Alan Cox
2012-04-12  8:58     ` Sascha Hauer
2012-04-20 10:02   ` Dave Airlie
2012-04-20 12:38     ` Thierry Reding
2012-04-20 13:20       ` Sascha Hauer
2012-04-20 14:25       ` Mark Brown
2012-04-20 14:49         ` Thierry Reding
2012-04-20 15:06           ` Mark Brown
2012-04-20 15:13             ` Thierry Reding
2012-04-20 15:15         ` Sascha Hauer
2012-04-20 15:20           ` Mark Brown
2012-04-20 13:10     ` Sascha Hauer
2012-04-20 13:33       ` Daniel Vetter
2012-04-21  8:18         ` Sascha Hauer
2012-04-11 15:33 ` [PATCH 4/7] DRM: Add sdrm 1:1 encoder - connector helper Sascha Hauer
2012-04-11 15:33 ` [PATCH 5/7] DRM: add i.MX kms simple driver Sascha Hauer
2012-04-11 15:33 ` [PATCH 6/7] ARM i.MX27 pcm038: Add sdrm support Sascha Hauer
2012-04-11 15:33 ` [PATCH 7/7] DRM: add PXA kms simple driver Sascha Hauer

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