Reviewed-by: Alyssa Rosenzweig <[email protected]>
> 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 <[email protected]>
> ---
> drivers/gpu/drm/panfrost/panfrost_drv.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
> index 36463c89e966..efde5e2acc35 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_drv.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
> @@ -656,7 +656,25 @@ static const struct panfrost_compatible default_data = {
> .pm_domain_names = NULL,
> };
>
> +static const struct panfrost_compatible amlogic_gxm_data = {
> + .num_supplies = ARRAY_SIZE(default_supplies),
> + .supply_names = default_supplies,
> + .vendor_reset_quirk = panfrost_gpu_amlogic_reset_quirk,
> +};
> +
> +static const struct panfrost_compatible amlogic_g12a_data = {
> + .num_supplies = ARRAY_SIZE(default_supplies),
> + .supply_names = default_supplies,
> + .vendor_reset_quirk = panfrost_gpu_amlogic_reset_quirk,
> + .pgtbl_quirks = IO_PGTABLE_QUIRK_ARM_BROKEN_SH,
> +};
> +
> static const struct of_device_id dt_match[] = {
> + /* Set first to probe before the generic compatibles */
> + { .compatible = "amlogic,meson-gxm-mali",
> + .data = &amlogic_gxm_data, },
> + { .compatible = "amlogic,meson-g12a-mali",
> + .data = &amlogic_g12a_data, },
> { .compatible = "arm,mali-t604", .data = &default_data, },
> { .compatible = "arm,mali-t624", .data = &default_data, },
> { .compatible = "arm,mali-t628", .data = &default_data, },
> --
> 2.22.0
>