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drm/amd/display: Attach OLED property to eDP panels

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amdgpu verifies that a given panel is an OLED panel from extended caps
and can provide accurate information to userspace.  Attach a property
to the DRM connector.

Reviewed-by: Leo Li <sunpeng.li@amd.com>
Link: https://patch.msgid.link/20260106170017.68158-3-superm1@kernel.org
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
This commit is contained in:
Mario Limonciello (AMD) 2026-01-06 11:00:17 -06:00
parent 42dab31381
commit 5d9d1247b2
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -91,6 +91,7 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_edid.h>
#include <drm/drm_eld.h>
#include <drm/drm_mode.h>
#include <drm/drm_utils.h>
#include <drm/drm_vblank.h>
#include <drm/drm_audio_component.h>
@ -3737,6 +3738,10 @@ static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps;
caps->aux_support = false;
drm_object_property_set_value(&conn_base->base,
adev_to_drm(adev)->mode_config.panel_type_property,
caps->ext_caps->bits.oled ? DRM_MODE_PANEL_TYPE_OLED : DRM_MODE_PANEL_TYPE_UNKNOWN);
if (caps->ext_caps->bits.oled == 1
/*
* ||
@ -9017,6 +9022,8 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
if (connector_type == DRM_MODE_CONNECTOR_eDP) {
struct drm_privacy_screen *privacy_screen;
drm_connector_attach_panel_type_property(&aconnector->base);
privacy_screen = drm_privacy_screen_get(adev_to_drm(adev)->dev, NULL);
if (!IS_ERR(privacy_screen)) {
drm_connector_attach_privacy_screen_provider(&aconnector->base,