drm/panfrost: add Amlogic GPU integration quirks (afcd0c7d) · Commits · 戴 / test

This adds the required GPU quirks, including the quirk in the PWR registers at the GPU reset time and the IOMMU quirk for shareability issues observed on G52 in Amlogic G12B SoCs. Signed-off-by:

Neil Armstrong <narmstrong@baylibre.com> Reviewed-by:

Steven Price <steven.price@arm.com> Reviewed-by:

Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by:

Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200916150147.25753-4-narmstrong@baylibre.com

drivers/gpu/drm/panfrost/panfrost_drv.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -656,7 +656,18 @@ static const struct panfrost_compatible default_data = {
		.pm_domain_names = NULL,
		};

		static const struct panfrost_compatible amlogic_data = {
		.num_supplies = ARRAY_SIZE(default_supplies),
		.supply_names = default_supplies,
		.vendor_quirk = panfrost_gpu_amlogic_quirk,
		};

		static const struct of_device_id dt_match[] = {
		/* Set first to probe before the generic compatibles */
		{ .compatible = "amlogic,meson-gxm-mali",
		.data = &amlogic_data, },
		{ .compatible = "amlogic,meson-g12a-mali",
		.data = &amlogic_data, },
		{ .compatible = "arm,mali-t604", .data = &default_data, },
		{ .compatible = "arm,mali-t624", .data = &default_data, },
		{ .compatible = "arm,mali-t628", .data = &default_data, },

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