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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-12-17 16:49:48 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-12 21:02:54 -0500 |
| commit | 2ed83f2cc41e8f7ced1c0610ec2b0821c5522ed5 (patch) | |
| tree | 731cb55e52881b54db26f67dd0784623afd90980 /drivers/gpu/drm/amd/display | |
| parent | d957d4a3f8f200b5642f65832896efeb82eea860 (diff) | |
| download | linux-2ed83f2cc41e8f7ced1c0610ec2b0821c5522ed5.tar.gz linux-2ed83f2cc41e8f7ced1c0610ec2b0821c5522ed5.tar.bz2 linux-2ed83f2cc41e8f7ced1c0610ec2b0821c5522ed5.zip | |
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: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/resource/dce120/dce120_resource.c | 17 |
1 files changed, 17 insertions, 0 deletions
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 c63c59623433..eb1e158d3436 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: |