SWDEV-401850 - Fix hipCreateChannelDescHalf APIs

- Address ChannelDescHalf1 and ChannelDescHalf2 APIs not returning
correct Channel Descriptors in amd headers
- Add missing hipCreateChannelDescHalf APIs in nvidia headers

Change-Id: I558847425c2459d3cde329ca2e926d882bb0a9dd


[ROCm/clr commit: 586731c2cc]

projects/clr/hipamd/include/hip/amd_detail/amd_channel_descriptor.h

@@ -44,7 +44,12 @@ static inline hipChannelFormatDesc hipCreateChannelDescHalf1() {
 
 static inline hipChannelFormatDesc hipCreateChannelDescHalf2() {
     int e = (int)sizeof(unsigned short) * 8;
-    return hipCreateChannelDesc(e, 0, 0, 0, hipChannelFormatKindFloat);
+    return hipCreateChannelDesc(e, e, 0, 0, hipChannelFormatKindFloat);
+}
+
+static inline hipChannelFormatDesc hipCreateChannelDescHalf4() {
+    int e = (int)sizeof(unsigned short) * 8;
+    return hipCreateChannelDesc(e, e, e, e, hipChannelFormatKindFloat);
 }
 
 template <typename T>

projects/clr/hipamd/include/hip/nvidia_detail/nvidia_hip_runtime_api.h

@@ -2809,6 +2809,26 @@ inline static hipChannelFormatDesc hipCreateChannelDesc(int x, int y, int z, int
     return cudaCreateChannelDesc(x, y, z, w, hipChannelFormatKindToCudaChannelFormatKind(f));
 }
 
+inline static hipChannelFormatDesc hipCreateChannelDescHalf() {
+    int e = (int)sizeof(unsigned short) * 8;
+    return cudaCreateChannelDesc(e, 0, 0, 0, cudaChannelFormatKindFloat);
+}
+
+inline static hipChannelFormatDesc hipCreateChannelDescHalf1() {
+    int e = (int)sizeof(unsigned short) * 8;
+    return cudaCreateChannelDesc(e, 0, 0, 0, cudaChannelFormatKindFloat);
+}
+
+inline static hipChannelFormatDesc hipCreateChannelDescHalf2() {
+    int e = (int)sizeof(unsigned short) * 8;
+    return cudaCreateChannelDesc(e, e, 0, 0, cudaChannelFormatKindFloat);
+}
+
+inline static hipChannelFormatDesc hipCreateChannelDescHalf4() {
+    int e = (int)sizeof(unsigned short) * 8;
+    return cudaCreateChannelDesc(e, e, e, e, cudaChannelFormatKindFloat);
+}
+
 inline static hipError_t hipCreateTextureObject(hipTextureObject_t* pTexObject,
                                                 const hipResourceDesc* pResDesc,
                                                 const hipTextureDesc* pTexDesc,