diff options
| author | Neil Armstrong <narmstrong@baylibre.com> | 2020-09-16 17:01:45 +0200 |
|---|---|---|
| committer | Steven Price <steven.price@arm.com> | 2020-09-21 10:13:50 +0100 |
| commit | 91e89097b86f566636ea5a7329c79d5521be46d2 (patch) | |
| tree | 4f2c7095809188fbb9ed1af183a14b44a4b45d0a | |
| parent | a7d39439f8bd14b5becebc095aef3f1ec3191fe2 (diff) | |
drm/panfrost: add support for vendor quirk
The T820, G31 & G52 GPUs integrated by Amlogic in the respective GXM,
G12A/SM1 & G12B SoCs needs a quirk in the PWR registers after each reset.
This adds a callback in the device compatible struct of permit this.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[Steven: Fix typo in commit log]
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/20200916150147.25753-2-narmstrong@baylibre.com
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_device.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_gpu.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h index 953f7536a773..2e9cbd1c4a58 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.h +++ b/drivers/gpu/drm/panfrost/panfrost_device.h @@ -70,6 +70,9 @@ struct panfrost_compatible { int num_pm_domains; /* Only required if num_pm_domains > 1. */ const char * const *pm_domain_names; + + /* Vendor implementation quirks callback */ + void (*vendor_quirk)(struct panfrost_device *pfdev); }; struct panfrost_device { diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index c7c5da5a31d4..a6de78bc1fa8 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -136,6 +136,10 @@ static void panfrost_gpu_init_quirks(struct panfrost_device *pfdev) if (quirks) gpu_write(pfdev, GPU_JM_CONFIG, quirks); + + /* Here goes platform specific quirks */ + if (pfdev->comp->vendor_quirk) + pfdev->comp->vendor_quirk(pfdev); } #define MAX_HW_REVS 6 |