Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752917AbbDAFzJ (ORCPT ); Wed, 1 Apr 2015 01:55:09 -0400 Received: from regular3.263xmail.com ([211.157.153.3]:53600 "EHLO regular3.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751302AbbDAFzG (ORCPT ); Wed, 1 Apr 2015 01:55:06 -0400 X-Greylist: delayed 334 seconds by postgrey-1.27 at vger.kernel.org; Wed, 01 Apr 2015 01:55:05 EDT X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: mark.yao@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 192.253.253.176 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: <216438d5615cd00e1053fd4ca1dadff0> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Mark Yao To: David Airlie , Daniel Vetter , Rob Clark , Philipp Zabel , Daniel Kurtz , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: Mark Yao Subject: [PATCH] drm/rockchip: vop: add vop power domain support Date: Wed, 1 Apr 2015 13:48:53 +0800 Message-Id: <1427867333-2246-1-git-send-email-mark.yao@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1261 Lines: 44 From: Mark Yao Reference the power domain incase vop power down when in use. Signed-off-by: Mark Yao --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index d041921..7a61c8e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -421,6 +421,12 @@ static void vop_enable(struct drm_crtc *crtc) if (vop->is_enabled) return; + ret = pm_runtime_get_sync(vop->dev); + if (ret < 0) { + dev_err(vop->dev, "failed to get pm runtime: %d\n", ret); + return; + } + ret = clk_enable(vop->hclk); if (ret < 0) { dev_err(vop->dev, "failed to enable hclk - %d\n", ret); @@ -517,6 +523,7 @@ static void vop_disable(struct drm_crtc *crtc) clk_disable(vop->dclk); clk_disable(vop->aclk); clk_disable(vop->hclk); + pm_runtime_put(vop->dev); } /* -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/