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

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[WHAT]
Prepare a virtual connector for writeback.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
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
2023-12-01 06:25:23 -07:00
committed by Alex Deucher
parent 80af8859b4
commit 198891fd29
2 changed files with 11 additions and 3 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+9 -2
View File
@@ -1675,6 +1675,10 @@ 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);
@@ -4465,6 +4469,11 @@ 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;
@@ -4483,8 +4492,6 @@ 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");
drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c
+2 -1
View File
@@ -96,7 +96,8 @@ static void enable_memory_low_power(struct dc *dc)
if (dc->debug.enable_mem_low_power.bits.vpg && dc->res_pool->stream_enc[0]->vpg->funcs->vpg_powerdown) {
// Power down VPGs
for (i = 0; i < dc->res_pool->stream_enc_count; i++)
dc->res_pool->stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->stream_enc[i]->vpg);
if (dc->res_pool->stream_enc[i]->vpg)
dc->res_pool->stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->stream_enc[i]->vpg);
#if defined(CONFIG_DRM_AMD_DC_FP)
for (i = 0; i < dc->res_pool->hpo_dp_stream_enc_count; i++)
dc->res_pool->hpo_dp_stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->hpo_dp_stream_enc[i]->vpg);