[PATCH v5] drm/amdgpu: add comment to HW_IP_VCN_ENC type

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>From VCN4, AMDGPU_HW_IP_VCN_ENC is re-used to support
both encoding and decoding jobs.

link: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/245/commits

Reviewed-by: Leo Liu <leo.liu@xxxxxxx>
Signed-off-by: Ruijing Dong <ruijing.dong@xxxxxxx>
---
 include/uapi/drm/amdgpu_drm.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 18d3246d636e..63de71f53110 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -559,6 +559,10 @@ struct drm_amdgpu_gem_va {
 #define AMDGPU_HW_IP_VCE          4
 #define AMDGPU_HW_IP_UVD_ENC      5
 #define AMDGPU_HW_IP_VCN_DEC      6
+/*
+ * From VCN4, AMDGPU_HW_IP_VCN_ENC is re-used to support
+ * both encoding and decoding jobs.
+ */
 #define AMDGPU_HW_IP_VCN_ENC      7
 #define AMDGPU_HW_IP_VCN_JPEG     8
 #define AMDGPU_HW_IP_NUM          9
-- 
2.25.1




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