From: Mark Yao <mark.yao@rock-chips.com>
Date: Sat, 14 Jan 2017 07:31:01 +0000 (+0800)
Subject: drm/sysfs: rename connector modes' name
X-Git-Tag: firefly_0821_release~739
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=93e4fff8518709a9d31bd32841ab65806ff1e1f0;p=firefly-linux-kernel-4.4.55.git

drm/sysfs: rename connector modes' name

Most drm display mode's name is "[hdisplay]x[vdisplay]", like "1440x900",
it's not a friendly name.

Change-Id: I64d2fd3b00cdfc28906b31815af7e857fc88461e
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 615b7e667320..79f747296868 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -284,8 +284,13 @@ static ssize_t modes_show(struct device *device,
 	int written = 0;
 
 	list_for_each_entry(mode, &connector->modes, head) {
-		written += snprintf(buf + written, PAGE_SIZE - written, "%s\n",
-				    mode->name);
+		bool interlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
+
+		written += snprintf(buf + written, PAGE_SIZE - written,
+				    "%dx%d%s%d\n",
+				    mode->hdisplay, mode->vdisplay,
+				    interlaced ? "i" : "p",
+				    drm_mode_vrefresh(mode));
 	}
 
 	return written;