[PATCH v6 12/12] drm/vc4: hdmi: Remove clock rate initialization

Maxime Ripard maxime at cerno.tech
Wed Feb 23 10:56:00 UTC 2022


Now that the clock driver makes sure we never end up with a rate of 0,
the HDMI driver doesn't need to care anymore.

Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 92b1530aa17b..21aff3ad96cf 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2576,19 +2576,6 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
 			vc4_hdmi->disable_4kp60 = true;
 	}
 
-	/*
-	 * If we boot without any cable connected to the HDMI connector,
-	 * the firmware will skip the HSM initialization and leave it
-	 * with a rate of 0, resulting in a bus lockup when we're
-	 * accessing the registers even if it's enabled.
-	 *
-	 * Let's put a sensible default at runtime_resume so that we
-	 * don't end up in this situation.
-	 */
-	ret = clk_set_min_rate(vc4_hdmi->hsm_clock, HSM_MIN_CLOCK_FREQ);
-	if (ret)
-		goto err_put_ddc;
-
 	/*
 	 * We need to have the device powered up at this point to call
 	 * our reset hook and for the CEC init.
-- 
2.35.1



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