[PATCH] drm/etnaviv: provide more ID values via GET_PARAM ioctl.

From: Christian Gmeiner
Date: Wed Dec 16 2020 - 06:43:00 EST


Make it possible for the user space to access these ID values.

Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 12 ++++++++++++
include/uapi/drm/etnaviv_drm.h | 3 +++
2 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index c6404b8d067f..ec16991ba8b6 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -156,6 +156,18 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
*value = ~0ULL;
break;

+ case ETNAVIV_PARAM_GPU_PRODUCT_ID:
+ *value = gpu->identity.product_id;
+ break;
+
+ case ETNAVIV_PARAM_GPU_CUSTOMER_ID:
+ *value = gpu->identity.customer_id;
+ break;
+
+ case ETNAVIV_PARAM_GPU_ECO_ID:
+ *value = gpu->identity.eco_id;
+ break;
+
default:
DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
return -EINVAL;
diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
index 09d0df8b71c5..af024d90453d 100644
--- a/include/uapi/drm/etnaviv_drm.h
+++ b/include/uapi/drm/etnaviv_drm.h
@@ -74,6 +74,9 @@ struct drm_etnaviv_timespec {
#define ETNAVIV_PARAM_GPU_NUM_CONSTANTS 0x19
#define ETNAVIV_PARAM_GPU_NUM_VARYINGS 0x1a
#define ETNAVIV_PARAM_SOFTPIN_START_ADDR 0x1b
+#define ETNAVIV_PARAM_GPU_PRODUCT_ID 0x1c
+#define ETNAVIV_PARAM_GPU_CUSTOMER_ID 0x1d
+#define ETNAVIV_PARAM_GPU_ECO_ID 0x1e

#define ETNA_MAX_PIPES 4

--
2.29.2