From: Mark Yao <mark.yao@rock-chips.com>
To: dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>, Heiko Stuebner <heiko@sntech.de>,
Daniel Kurtz <djkurtz@chromium.org>,
Mark Yao <mark.yao@rock-chips.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Daniel Vetter <daniel@ffwll.ch>, Rob Clark <robdclark@gmail.com>,
tfiga@chromium.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
sandy.huang@rock-chips.com, dkm@rock-chips.com,
zwl@rock-chips.com
Subject: [PATCH v4 5/6] drm/rockchip: vop: restore vop registers when resume
Date: Mon, 27 Jul 2015 10:08:27 +0800 [thread overview]
Message-ID: <1437962907-19229-1-git-send-email-mark.yao@rock-chips.com> (raw)
In-Reply-To: <1437962762-19157-1-git-send-email-mark.yao@rock-chips.com>
The registers will be reset to default values when whole
power domain off, so restore registers from regsbak.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
Changes in v4: None
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 4a2923b..16b7d98 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -496,6 +496,7 @@ static void vop_enable(struct drm_crtc *crtc)
goto err_disable_aclk;
}
+ memcpy(vop->regs, vop->regsbak, vop->len);
/*
* At here, vop clock & iommu is enable, R/W vop regs would be safe.
*/
--
1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: Mark Yao <mark.yao@rock-chips.com>
To: dri-devel@lists.freedesktop.org
Cc: zwl@rock-chips.com, linux-kernel@vger.kernel.org,
tfiga@chromium.org, linux-rockchip@lists.infradead.org,
dkm@rock-chips.com, sandy.huang@rock-chips.com,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 5/6] drm/rockchip: vop: restore vop registers when resume
Date: Mon, 27 Jul 2015 10:08:27 +0800 [thread overview]
Message-ID: <1437962907-19229-1-git-send-email-mark.yao@rock-chips.com> (raw)
In-Reply-To: <1437962762-19157-1-git-send-email-mark.yao@rock-chips.com>
The registers will be reset to default values when whole
power domain off, so restore registers from regsbak.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
Changes in v4: None
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 4a2923b..16b7d98 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -496,6 +496,7 @@ static void vop_enable(struct drm_crtc *crtc)
goto err_disable_aclk;
}
+ memcpy(vop->regs, vop->regsbak, vop->len);
/*
* At here, vop clock & iommu is enable, R/W vop regs would be safe.
*/
--
1.7.9.5
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: mark.yao@rock-chips.com (Mark Yao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 5/6] drm/rockchip: vop: restore vop registers when resume
Date: Mon, 27 Jul 2015 10:08:27 +0800 [thread overview]
Message-ID: <1437962907-19229-1-git-send-email-mark.yao@rock-chips.com> (raw)
In-Reply-To: <1437962762-19157-1-git-send-email-mark.yao@rock-chips.com>
The registers will be reset to default values when whole
power domain off, so restore registers from regsbak.
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
Changes in v4: None
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 4a2923b..16b7d98 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -496,6 +496,7 @@ static void vop_enable(struct drm_crtc *crtc)
goto err_disable_aclk;
}
+ memcpy(vop->regs, vop->regsbak, vop->len);
/*
* At here, vop clock & iommu is enable, R/W vop regs would be safe.
*/
--
1.7.9.5
next prev parent reply other threads:[~2015-07-27 2:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 2:05 [PATCH v4 0/6] drm/rockchip: fixes and new features Mark Yao
2015-07-27 2:05 ` Mark Yao
2015-07-27 2:05 ` [PATCH v4 1/6] drm/rockchip: vop: Fix virtual stride calculation Mark Yao
2015-07-27 2:05 ` Mark Yao
2015-07-27 2:05 ` [PATCH v4 2/6] drm/rockchip: vop: Fix window dest start point Mark Yao
2015-07-27 2:05 ` Mark Yao
2015-07-27 2:05 ` [PATCH v4 3/6] drm/rockchip: vop: Add yuv plane support Mark Yao
2015-07-27 2:05 ` Mark Yao
2015-07-27 2:05 ` Mark Yao
2015-07-27 2:06 ` [PATCH v4 4/6] drm/rockchip: vop: Default enable win2/3 area0 bit Mark Yao
2015-07-27 2:06 ` Mark Yao
2015-07-27 2:06 ` Mark Yao
2015-07-27 2:08 ` Mark Yao [this message]
2015-07-27 2:08 ` [PATCH v4 5/6] drm/rockchip: vop: restore vop registers when resume Mark Yao
2015-07-27 2:08 ` Mark Yao
2015-07-27 2:09 ` [PATCH v4 6/6] drm/rockchip: vop: support plane scale Mark Yao
2015-07-27 2:09 ` Mark Yao
2015-07-27 2:09 ` Mark Yao
2015-08-26 6:34 ` [GIT PULL] drm/rockchip: fixes and new features Mark yao
2015-08-26 6:34 ` Mark yao
2015-08-26 6:34 ` Mark yao
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