We need this for perf counters.
Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++++
include/uapi/drm/etnaviv_drm.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index b22212c..b3eba08 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -122,6 +122,10 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
*value = gpu->identity.varyings_count;
break;
+ case ETNAVIV_PARAM_READOUT:
+ *value = 1;
+ 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 f2e24bb..cc4d076 100644
--- a/include/uapi/drm/etnaviv_drm.h
+++ b/include/uapi/drm/etnaviv_drm.h
@@ -67,6 +67,8 @@ struct drm_etnaviv_timespec {
#define ETNAVIV_PARAM_GPU_NUM_CONSTANTS 0x19
#define ETNAVIV_PARAM_GPU_NUM_VARYINGS 0x1a
+#define ETNAVIV_PARAM_READOUT 0x20
+
#define ETNA_MAX_PIPES 4
struct drm_etnaviv_param {
--
2.9.3
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