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drm/amd/display: Create one virtual connector in DC

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[WHAT]
Prepare a virtual connector for writeback.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland
2022-11-02 11:10:12 -04:00
committed by Alex Deucher
parent 161d076c2d
commit 554340133e
2 changed files with 11 additions and 3 deletions
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11
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -1693,6 +1693,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0];
init_data.clk_reg_offsets = adev->reg_offset[CLK_HWIP][0];
/* Enable DWB for tested platforms only */
if (adev->ip_versions[DCE_HWIP][0] >= IP_VERSION(3, 0, 0))
init_data.num_virtual_links = 1;
INIT_LIST_HEAD(&adev->dm.da_list);
retrieve_dmi_info(&adev->dm);
@@ -4506,6 +4510,11 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
continue;
}
link = dc_get_link_at_index(dm->dc, i);
if (link->connector_signal == SIGNAL_TYPE_VIRTUAL)
continue;
aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
if (!aconnector)
goto fail;
@@ -4524,8 +4533,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
goto fail;
}
link = dc_get_link_at_index(dm->dc, i);
if (!dc_link_detect_connection_type(link, &new_connection_type))
DRM_ERROR("KMS: Failed to detect connector\n");