On Mon, May 5, 2025 at 6:34 PM Sasha Levin sashal@kernel.org wrote:
From: Alex Deucher alexander.deucher@amd.com
[ Upstream commit 2ed83f2cc41e8f7ced1c0610ec2b0821c5522ed5 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org
This isn't a bug fix. This is a new feature and depends on other changes to actually utilize.
Alex
.../dc/resource/dce120/dce120_resource.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c index c63c596234333..eb1e158d34361 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c @@ -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:
2.39.5