Firmware shipped on mt8195 Chromebooks is affected by the GICR
save/restore issue as described by the patch ("dt-bindings:
interrupt-controller: arm,gic-v3: Add quirk for Mediatek SoCs w/
broken FW"). Add the quirk property.

Fixes: 5eb2e303ec6b ("arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato")
Reviewed-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
---

Changes in v2:
- Changed "Fixes" tag.
- Moved from mt8195.dtsi to mt8195-cherry.dtsi
- mediatek,gicr-save-quirk => mediatek,broken-save-restore-fw

 arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index 8ac80a136c37..f2d0726546c7 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -255,6 +255,10 @@ dptx_out: endpoint {
 	};
 };
 
+&gic {
+	mediatek,broken-save-restore-fw;
+};
+
 &gpu {
 	status = "okay";
 	mali-supply = <&mt6315_7_vbuck1>;
-- 
2.40.1.606.ga4b1b128d6-goog

Il 15/05/23 22:13, Douglas Anderson ha scritto:
> Firmware shipped on mt8195 Chromebooks is affected by the GICR
> save/restore issue as described by the patch ("dt-bindings:
> interrupt-controller: arm,gic-v3: Add quirk for Mediatek SoCs w/
> broken FW"). Add the quirk property.
> 
> Fixes: 5eb2e303ec6b ("arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato")
> Reviewed-by: Julius Werner <jwerner@chromium.org>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>