media: venus: hfi_plat: Add platform ops for getting number of VPP pipes

Starting from v6 we have one more hfi property which will be needed
to calculate buffer sizes/count for particular codec and session type.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/qcom/venus/hfi_platform.c

@@ -47,3 +47,17 @@ hfi_platform_get_codec_vsp_freq(enum hfi_version version, u32 codec, u32 session
 
 	return freq;
 }
+
+u8 hfi_platform_num_vpp_pipes(enum hfi_version version)
+{
+	const struct hfi_platform *plat;
+
+	plat = hfi_platform_get(version);
+	if (!plat)
+		return 0;
+
+	if (plat->num_vpp_pipes)
+		return plat->num_vpp_pipes();
+
+	return 0;
+}

drivers/media/platform/qcom/venus/hfi_platform.h

@@ -49,6 +49,7 @@ struct hfi_platform {
 	unsigned long (*codec_vsp_freq)(u32 session_type, u32 codec);
 	void (*codecs)(u32 *enc_codecs, u32 *dec_codecs, u32 *count);
 	const struct hfi_plat_caps *(*capabilities)(unsigned int *entries);
+	u8 (*num_vpp_pipes)(void);
 };
 
 extern const struct hfi_platform hfi_plat_v4;
@@ -58,4 +59,5 @@ unsigned long hfi_platform_get_codec_vpp_freq(enum hfi_version version, u32 code
 					      u32 session_type);
 unsigned long hfi_platform_get_codec_vsp_freq(enum hfi_version version, u32 codec,
 					      u32 session_type);
+u8 hfi_platform_num_vpp_pipes(enum hfi_version version);
 #endif