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drm/panfrost: add Amlogic GPU integration quirks

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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
This commit is contained in:
Neil Armstrong 2020-09-16 17:01:47 +02:00 • committed by Steven Price
parent 1100030022
commit afcd0c7d3d
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/panfrost/panfrost_drv.c
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@ -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, },