drm/amd/display: Add HDR workaround for specific eDP

drm/amd/display: Add HDR workaround for specific eDP

commit 05af800704ee7187d9edd461ec90f3679b1c4aba upstream.

[WHY & HOW]
Some eDP panels suffer from flicking when HDR is enabled in KDE. This
quirk works around it by skipping VSC that is incompatible with eDP
panels.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3151
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4d4257280d7957727998ef90ccc7b69c7cca8376)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>