Commit 44810f8d authored Dec 17, 2024 by Alex Deucher

drm/amd/display/dc: add a new helper to fetch the OEM ddc_service



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

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 33da70bd

drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -150,6 +150,12 @@ 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)

drivers/gpu/drm/amd/display/dc/dc.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -1947,6 +1947,9 @@ 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