From: Alexander Stein alexander.stein@ew.tq-group.com
[ 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@ew.tq-group.com Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Signed-off-by: Robert Foss rfoss@kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20230504065316.2640739-1-alexa... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 1 + 1 file changed, 1 insertion(+)
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; }