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[v2,3/3] drm/panfrost: add Amlogic GPU integration quirks

Message ID 20200916150147.25753-4-narmstrong@baylibre.com
State New, archived
Headers show
Series drm/panfrost: add Amlogic integration quirks | expand

Commit Message

Neil Armstrong Sept. 16, 2020, 3:01 p.m. UTC
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>
---
 drivers/gpu/drm/panfrost/panfrost_drv.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Steven Price Sept. 17, 2020, 10:29 a.m. UTC | #1
On 16/09/2020 16:01, Neil Armstrong wrote:
> 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>

> ---
>   drivers/gpu/drm/panfrost/panfrost_drv.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
> index 7c8a87d164c3..6e5dedacb777 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_drv.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
> @@ -658,7 +658,18 @@ 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, },
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 7c8a87d164c3..6e5dedacb777 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -658,7 +658,18 @@  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, },