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drm/rockchip: vop: add vop power domain support

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Reference the power domain incase vop power down when
in use.

Signed-off-by: Mark Yao <yzq@rock-chips.com>
This commit is contained in:
Mark Yao
2015-04-01 13:48:53 +08:00
committed by Mark Yao
parent b340b3fb71
commit 5d82d1a785
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -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);
}
/*