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ARM: dts: Make DP a consumer of DISP1 power domain on Exynos5420
Commitea08de16eb
("ARM: dts: Add DISP1 power domain for exynos5420") added a device node for the Exynos5420 DISP1 power domain but dit not make the DP controller a consumer of that power domain. This causes an "Unhandled fault: imprecise external abort" error if the exynos-dp driver tries to access the DP controller registers and the PD was turned off. This lead to a kernel panic and a complete system hang. Make the DP controller device node a consumer of the DISP1 power domain to ensure that the PD is turned on when the exynos-dp driver is probed. Fixes:ea08de16eb
("ARM: dts: Add DISP1 power domain for exynos5420") Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Kukjin Kim <kgene@kernel.org>
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@ -536,6 +536,7 @@ dp: dp-controller@145B0000 {
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clock-names = "dp";
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phys = <&dp_phy>;
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phy-names = "dp";
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power-domains = <&disp_pd>;
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};
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mipi_phy: video-phy@10040714 {
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