[PATCH 03/10] drm/amd/display/dc: add a new helper to fetch the OEM ddc_service

[Alex Deucher]

This is the i2c bus used by OEMs for board specific i2c features
like RGB.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c | 6 ++++++
 drivers/gpu/drm/amd/display/dc/dc.h                   | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
index 457d60eeb486c..13636eb4ec3f4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
@@ -142,6 +142,12 @@ bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx)
 	return link->dc->link_srv->update_dsc_config(pipe_ctx);
 }
 
+struct ddc_service *
+dc_get_oem_i2c_device(struct dc *dc)
+{
+	return dc->res_pool->oem_device;
+}
+
 bool dc_is_oem_i2c_device_present(
 	struct dc *dc,
 	size_t slave_address)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 8c6347413038d..47fde4f09f27b 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1945,6 +1945,9 @@ int dc_link_aux_transfer_raw(struct ddc_service *ddc,
 		struct aux_payload *payload,
 		enum aux_return_code_type *operation_result);
 
+struct ddc_service *
+dc_get_oem_i2c_device(struct dc *dc);
+
 bool dc_is_oem_i2c_device_present(
 	struct dc *dc,
 	size_t slave_address
-- 
2.47.1