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drm/amd/display: Initialize writeback connector

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[WHAT]
Create a drm_writeback_connector when connector signal equals
SIGNAL_TYPE_VIRTUAL.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-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:
Alex Hung
2023-12-01 06:25:24 -07:00
committed by Alex Deucher
parent 198891fd29
commit dfc03588cf
4 changed files with 265 additions and 2 deletions
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20
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -54,6 +54,7 @@
#include "amdgpu_dm_crtc.h"
#include "amdgpu_dm_hdcp.h"
#include <drm/display/drm_hdcp_helper.h>
#include "amdgpu_dm_wb.h"
#include "amdgpu_pm.h"
#include "amdgpu_atombios.h"
@@ -4471,8 +4472,25 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
link = dc_get_link_at_index(dm->dc, i);
if (link->connector_signal == SIGNAL_TYPE_VIRTUAL)
if (link->connector_signal == SIGNAL_TYPE_VIRTUAL) {
struct drm_writeback_connector *wbcon = kzalloc(sizeof(*wbcon), GFP_KERNEL);
if (!wbcon) {
DRM_ERROR("KMS: Failed to allocate writeback connector\n");
continue;
}
if (amdgpu_dm_wb_connector_init(dm, wbcon)) {
DRM_ERROR("KMS: Failed to initialize writeback connector\n");
kfree(wbcon);
continue;
}
link->psr_settings.psr_feature_enabled = false;
link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
continue;
}
aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
if (!aconnector)