[PATCH v3 3/4] drm/panfrost: Add an helper to check the GPU generation

[Boris Brezillon]

All models with an ID >= 0x1000 are Bifrost GPUs for now (might change
with new gens).

Suggested-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
---
Changes in v3:
* New patch
---
 drivers/gpu/drm/panfrost/panfrost_device.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h
index 031168f83bd2..e86581c4af7b 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.h
+++ b/drivers/gpu/drm/panfrost/panfrost_device.h
@@ -110,6 +110,11 @@ static inline int panfrost_model_cmp(struct panfrost_device *pfdev, s32 id)
 	return match_id - id;
 }
 
+static inline bool panfrost_model_is_bifrost(struct panfrost_device *pfdev)
+{
+	return panfrost_model_cmp(pfdev, 0x1000) >= 0;
+}
+
 static inline bool panfrost_model_eq(struct panfrost_device *pfdev, s32 id)
 {
 	return !panfrost_model_cmp(pfdev, id);
-- 
2.20.1