From 41450e3847e24b2b80c4ba5743dc13f54ac6b06c Mon Sep 17 00:00:00 2001 From: jsg Date: Mon, 22 Jan 2024 03:03:39 +0000 Subject: [PATCH] drm/amd/display: Add monitor patch for specific eDP From Ivan Lipski 7fc3d8ea1a675eae9ee57dca894a9c4fb0e0d8b5 in linux-6.6.y/6.6.13 3d71a8726e05a35beb9de394e86ce896d69e563f in mainline linux --- sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index b0813138d77..cb0142f3a4d 100644 --- a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -63,6 +63,12 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps) DRM_DEBUG_DRIVER("Disabling FAMS on monitor with panel id %X\n", panel_id); edid_caps->panel_patch.disable_fams = true; break; + /* Workaround for some monitors that do not clear DPCD 0x317 if FreeSync is unsupported */ + case drm_edid_encode_panel_id('A', 'U', 'O', 0xA7AB): + case drm_edid_encode_panel_id('A', 'U', 'O', 0xE69B): + DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id); + edid_caps->panel_patch.remove_sink_ext_caps = true; + break; default: return; } -- 2.20.1