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drm/amd/display: Apply debug bit for force p2cpm

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[WHY]
To allow per panel control of PHY settings.

[HOW]
Add the quirk for specific panels.

Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2026-08-21 15:58:30 -04:00 committed by Alex Deucher
parent 42f698bd06
commit 0e4d43da34
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
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@ -131,6 +131,14 @@ STATIC_IFN_KUNIT void apply_edid_quirks(struct dc_link *link, struct edid *edid,
drm_dbg_driver(dev, "Disabling VSC on monitor with panel id %X\n", panel_id);
edid_caps->panel_patch.disable_colorimetry = true;
break;
case drm_edid_encode_panel_id('S', 'D', 'C', 0x4203):
case drm_edid_encode_panel_id('S', 'D', 'C', 0x4197):
if (dc_is_embedded_signal(link->connector_signal)) {
drm_dbg_driver(dev, "Force PHY power down/up level 2 on panel id %X\n",
panel_id);
link->ctx->dc->debug.psr_phy_force_phy_power_down_up_level_2 = true;
}
break;
/* Workaround for monitors that get corrupted by the PHY SSC reduction */
case drm_edid_encode_panel_id('D', 'E', 'L', 0x4147):
drm_dbg_driver(dev, "Skip PHY SSC reduction on panel id %X\n", panel_id);