Commit f447dd1f authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/edid: Introduce is_detailed_timing_descritor() 



Let's introduce is_detailed_timing_descritor() as the opposite
counterpart of is_display_descriptor().

Cc: Allen Chen <allen.chen@ite.com.tw>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200124200231.10517-3-ville.syrjala@linux.intel.com


Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
parent a7a131ac

drivers/gpu/drm/drm_edid.c

+24 −18
Original line number Diff line number Diff line
@@ -2218,6 +2218,11 @@ static bool is_display_descriptor(const u8 d[18], u8 tag) 
		d[2] == 0x00 && d[3] == tag;

}



static bool is_detailed_timing_descriptor(const u8 d[18])

{

	return d[0] != 0x00 || d[1] != 0x00;

}



typedef void detailed_cb(struct detailed_timing *timing, void *closure);



static void
@@ -3117,7 +3122,9 @@ do_detailed_mode(struct detailed_timing *timing, void *c) 
	struct detailed_mode_closure *closure = c;

	struct drm_display_mode *newmode;



	if (timing->pixel_clock) {

	if (!is_detailed_timing_descriptor((const u8 *)timing))

		return;



	newmode = drm_mode_detailed(closure->connector->dev,

				    closure->edid, timing,

				    closure->quirks);
@@ -3138,7 +3145,6 @@ do_detailed_mode(struct detailed_timing *timing, void *c) 
	closure->modes++;

	closure->preferred = false;

}

}



/*

 * add_detailed_modes - Add modes from detailed timings