From: Mikko Kovanen mikko.kovanen@aavamobile.com
commit f9cdf4130671d767071607d0a7568c9bd36a68d0 upstream.
intel_dsi->ports contains bitmask of enabled ports and correspondingly logic for selecting port for VBT packet sending must use port specific bitmask when deciding appropriate port.
Fixes: 08c59dde71b7 ("drm/i915/dsi: fix VBT send packet port selection for ICL+") Cc: stable@vger.kernel.org Signed-off-by: Mikko Kovanen mikko.kovanen@aavamobile.com Reviewed-by: Jani Nikula jani.nikula@intel.com Signed-off-by: Jani Nikula jani.nikula@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/DBBPR09MB466592B16885D99ABBF23... (cherry picked from commit 8d58bb7991c45f6b60710cc04c9498c6ea96db90) Signed-off-by: Rodrigo Vivi rodrigo.vivi@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -133,9 +133,9 @@ static enum port intel_dsi_seq_port_to_p return ffs(intel_dsi->ports) - 1;
if (seq_port) { - if (intel_dsi->ports & PORT_B) + if (intel_dsi->ports & BIT(PORT_B)) return PORT_B; - else if (intel_dsi->ports & PORT_C) + else if (intel_dsi->ports & BIT(PORT_C)) return PORT_C; }