linux-kernel - [PATCH 1/6] arm64: dts: exynos: disable non-working GPU on Exynos7 Espresso

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Date:   Fri, 20 Jan 2023 18:31:11 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Sam Protsenko <semen.protsenko@...aro.org>,
        Chanho Park <chanho61.park@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/6] arm64: dts: exynos: disable non-working GPU on Exynos7 Espresso

The Panfrost GPU drivers require clock but such was not provided in
Exynos7 DTSI.  The CMU_G3D clock controller was not upstreamed, thus
consider GPU as non-working and simply disable it to silence warnings
like:

  exynos7-espresso.dtb: gpu@...c0000: 'clocks' is a required property

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

This patchset fixes remaining Exynos/Tesla ARMv8 dtbs_check warnings. No
more excuses for not running dtbs_check on new patches.
---
 arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index b846c0be90e3..829657c9c7ca 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -61,7 +61,6 @@ &fin_pll {
 
 &gpu {
 	mali-supply = <&buck6_reg>;
-	status = "okay";
 };
 
 &serial_2 {
-- 
2.34.1