media: venus: helpers: add a helper function to set dynamic buffer mode

Adds a new helper function to set dynamic buffer mode if it is
supported by current HFI version. The dynamic buffer mode is
set unconditionally for both decoder outputs.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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

@@ -524,6 +524,28 @@ int venus_helper_set_color_format(struct venus_inst *inst, u32 pixfmt)
 }
 EXPORT_SYMBOL_GPL(venus_helper_set_color_format);
 
+int venus_helper_set_dyn_bufmode(struct venus_inst *inst)
+{
+	const u32 ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
+	struct hfi_buffer_alloc_mode mode;
+	int ret;
+
+	if (!is_dynamic_bufmode(inst))
+		return 0;
+
+	mode.type = HFI_BUFFER_OUTPUT;
+	mode.mode = HFI_BUFFER_MODE_DYNAMIC;
+
+	ret = hfi_session_set_property(inst, ptype, &mode);
+	if (ret)
+		return ret;
+
+	mode.type = HFI_BUFFER_OUTPUT2;
+
+	return hfi_session_set_property(inst, ptype, &mode);
+}
+EXPORT_SYMBOL_GPL(venus_helper_set_dyn_bufmode);
+
 static void delayed_process_buf_func(struct work_struct *work)
 {
 	struct venus_buffer *buf, *n;

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

@@ -40,6 +40,7 @@ int venus_helper_set_output_resolution(struct venus_inst *inst,
 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
 			      unsigned int output_bufs);
 int venus_helper_set_color_format(struct venus_inst *inst, u32 fmt);
+int venus_helper_set_dyn_bufmode(struct venus_inst *inst);
 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf);
 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx);
 void venus_helper_init_instance(struct venus_inst *inst);

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

@@ -555,18 +555,9 @@ static int vdec_set_properties(struct venus_inst *inst)
 			return ret;
 	}
 
-	if (core->res->hfi_version == HFI_VERSION_3XX ||
-	    inst->cap_bufs_mode_dynamic) {
-		struct hfi_buffer_alloc_mode mode;
-
-		ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE;
-		mode.type = HFI_BUFFER_OUTPUT;
-		mode.mode = HFI_BUFFER_MODE_DYNAMIC;
-
-		ret = hfi_session_set_property(inst, ptype, &mode);
-		if (ret)
-			return ret;
-	}
+	ret = venus_helper_set_dyn_bufmode(inst);
+	if (ret)
+		return ret;
 
 	if (ctr->post_loop_deb_mode) {
 		ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;