Commit 2ed83f2c authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amd/display/dc: enable oem i2c support for DCE 12.x 



Use the value pulled from the vbios just like newer chips.

Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d957d4a3

drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c

+17 −0
Original line number Diff line number Diff line
@@ -67,6 +67,7 @@ 
#include "reg_helper.h"



#include "dce100/dce100_resource.h"

#include "link.h"



#ifndef mmDP0_DP_DPHY_INTERNAL_CTRL

	#define mmDP0_DP_DPHY_INTERNAL_CTRL		0x210f
@@ -659,6 +660,12 @@ static void dce120_resource_destruct(struct dce110_resource_pool *pool) 


	if (pool->base.dmcu != NULL)

		dce_dmcu_destroy(&pool->base.dmcu);



	if (pool->base.oem_device != NULL) {

		struct dc *dc = pool->base.oem_device->ctx->dc;



		dc->link_srv->destroy_ddc_service(&pool->base.oem_device);

	}

}



static void read_dce_straps(
@@ -1054,6 +1061,7 @@ static bool dce120_resource_construct( 
	struct dc *dc,

	struct dce110_resource_pool *pool)

{

	struct ddc_service_init_data ddc_init_data = {0};

	unsigned int i;

	int j;

	struct dc_context *ctx = dc->ctx;
@@ -1257,6 +1265,15 @@ static bool dce120_resource_construct( 


	bw_calcs_data_update_from_pplib(dc);



	if (dc->ctx->dc_bios->fw_info.oem_i2c_present) {

		ddc_init_data.ctx = dc->ctx;

		ddc_init_data.link = NULL;

		ddc_init_data.id.id = dc->ctx->dc_bios->fw_info.oem_i2c_obj_id;

		ddc_init_data.id.enum_id = 0;

		ddc_init_data.id.type = OBJECT_TYPE_GENERIC;

		pool->base.oem_device = dc->link_srv->create_ddc_service(&ddc_init_data);

	}



	return true;



irqs_create_fail: