Patch "drm/bridge: ti-sn65dsi83: Fix enable error path" has been added to the 6.4-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/bridge: ti-sn65dsi83: Fix enable error path

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-bridge-ti-sn65dsi83-fix-enable-error-path.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 7a65878fc3cb38c05696e68114dd7fb8e3cd02da
Author: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Date:   Thu May 4 08:53:16 2023 +0200

    drm/bridge: ti-sn65dsi83: Fix enable error path
    
    [ Upstream commit 8a91b29f1f50ce7742cdbe5cf11d17f128511f3f ]
    
    If PLL locking failed, the regulator needs to be disabled again.
    
    Fixes: 5664e3c907e2 ("drm/bridge: ti-sn65dsi83: Add vcc supply regulator support")
    Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
    Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
    Signed-off-by: Robert Foss <rfoss@xxxxxxxxxx>
    Link: https://patchwork.freedesktop.org/patch/msgid/20230504065316.2640739-1-alexander.stein@xxxxxxxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index 75286c9afbb96..1f5c07989e2bf 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -478,6 +478,7 @@ static void sn65dsi83_atomic_enable(struct drm_bridge *bridge,
 		dev_err(ctx->dev, "failed to lock PLL, ret=%i\n", ret);
 		/* On failure, disable PLL again and exit. */
 		regmap_write(ctx->regmap, REG_RC_PLL_EN, 0x00);
+		regulator_disable(ctx->vcc);
 		return;
 	}
 



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