github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-31 18:43:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

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

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

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-12-17 16:49:48 -05:00
parent d957d4a3f8
commit 2ed83f2cc4
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c
View File

@ -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: