3.19.8-ckt16 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------ From: Jani Nikula <jani.nik...@intel.com> commit 26f6f2d301c1fb46acb1138ee155125815239b0d upstream. Since sequence block v2 the second byte contains flags other than just pull up/down. Don't pass arbitrary data to the sideband interface. The rest may or may not work for sequence block v2, but there should be no harm done. Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com> Signed-off-by: Jani Nikula <jani.nik...@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/ebe3c2eee623afc4b3a134533b01f8d591d13f32.1454582914.git.jani.nik...@intel.com (cherry picked from commit 4e1c63e3761b84ec7d87c75b58bbc8bcf18e98ee) Signed-off-by: Jani Nikula <jani.nik...@intel.com> Signed-off-by: Kamal Mostafa <ka...@canonical.com> --- drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index bd73e50..6ea603a 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -171,7 +171,7 @@ static u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, u8 *data) gpio = *data++; /* pull up/down */ - action = *data++; + action = *data++ & 1; if (gpio >= ARRAY_SIZE(gtable)) { DRM_DEBUG_KMS("unknown gpio %u\n", gpio); -- 2.7.0
