950-0681-vc4_hvs-Mark-core-clock-as-optional.patch

From 41b2f1242ff3f90c88de2de93dbec1f5734b45fd Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Tue, 28 Apr 2020 17:35:07 +0100
Subject: [PATCH] vc4_hvs: Mark core clock as optional

This isn't required on Pi3, so don't treat as an error

Signed-off-by: popcornmix <popcornmix@gmail.com>
---
 drivers/gpu/drm/vc4/vc4_hvs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -240,7 +240,7 @@ static int vc4_hvs_bind(struct device *d
 	hvs->regset.regs = hvs_regs;
 	hvs->regset.nregs = ARRAY_SIZE(hvs_regs);
 
-	hvs->core_clk = devm_clk_get(&pdev->dev, NULL);
+	hvs->core_clk = devm_clk_get_optional(&pdev->dev, NULL);
 	if (IS_ERR(hvs->core_clk)) {
 		dev_err(&pdev->dev, "Couldn't get core clock\n");
 		return PTR_ERR(hvs->regs);