49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From: Ondrej Jirman <megous@megous.com>
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Date: Sun, 17 Oct 2021 18:04:21 +0200
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Subject: [PATCH 03/36] drm: rockchip: dw-mipi-dsi: Fix missing
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clk_disable_unprepare for pllref_clk
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In some error paths, clk_disable_unprepare function was not called.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
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index 53c8b40..095d0f1 100644
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--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
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+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
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@@ -960,7 +960,7 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev,
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ret = clk_prepare_enable(dsi->grf_clk);
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if (ret) {
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DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);
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- return ret;
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+ goto err_pllref_disable;
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}
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dw_mipi_dsi_rockchip_config(dsi);
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@@ -972,16 +972,20 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev,
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ret = rockchip_dsi_drm_create_encoder(dsi, drm_dev);
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if (ret) {
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DRM_DEV_ERROR(dev, "Failed to create drm encoder\n");
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- return ret;
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+ goto err_pllref_disable;
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}
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ret = dw_mipi_dsi_bind(dsi->dmd, &dsi->encoder);
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if (ret) {
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DRM_DEV_ERROR(dev, "Failed to bind: %d\n", ret);
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- return ret;
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+ goto err_pllref_disable;
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}
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return 0;
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+
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+err_pllref_disable:
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+ clk_disable_unprepare(dsi->pllref_clk);
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+ return ret;
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}
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static void dw_mipi_dsi_rockchip_unbind(struct device *dev,
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