Commit f3a32d74 authored Mar 26, 2016 by Paul Parsons Committed by Jani Nikula Apr 05, 2016

drm/edid: Fix parsing of EDID 1.4 Established Timings III descriptor

The EDID 1.4 specification section 3.10.3.9 defines an Established Timings III
descriptor (tag #F7h). The parsing of this descriptor by drm_est3_modes() is
off by one byte: the offset of the first timing bitmap is 6, not 5.

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160328002258.E75DF6E35D@gabe.freedesktop.org

parent 87707cfd

drivers/gpu/drm/drm_edid.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2241,7 +2241,7 @@ drm_est3_modes(struct drm_connector connector, struct detailed_timing timing)
	{		{
	int i, j, m, modes = 0;		int i, j, m, modes = 0;
	struct drm_display_mode *mode;		struct drm_display_mode *mode;
	u8 est = ((u8 )timing) + 5;		u8 est = ((u8 )timing) + 6;

	for (i = 0; i < 6; i++) {		for (i = 0; i < 6; i++) {
	for (j = 7; j >= 0; j--) {		for (j = 7; j >= 0; j--) {