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drm: bridge: it66121: Check drm_bridge_attach retval

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The return value of drm_bridge_attach() is ignored during
the it66121_bridge_attach() call, which is incorrect.

Fixes: 988156dc2f ("drm: bridge: add it66121 driver")
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805185039.402178-1-robert.foss@linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210805185039.402178-1-robert.foss@linaro.org
This commit is contained in:
Robert Foss 2021-08-05 20:50:39 +02:00
parent 0c044f7d96
commit bd03d440e2
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1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/bridge/ite-it66121.c
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@ -536,6 +536,8 @@ static int it66121_bridge_attach(struct drm_bridge *bridge,
return -EINVAL;
ret = drm_bridge_attach(bridge->encoder, ctx->next_bridge, bridge, flags);
if (ret)
return ret;
ret = regmap_write_bits(ctx->regmap, IT66121_CLK_BANK_REG,
IT66121_CLK_BANK_PWROFF_RCLK, 0);