commit 646975c9e41ec806ac6547b123dbaaf89859f1d4
author Dan Murphy <dmurphy@ti.com> Tue Nov 27 13:37:33 2012 -0600
committer Jean-Baptiste Queru <jbq@google.com> Mon Dec 03 18:07:51 2012 -0800
tree 24390eb368f1a19bfe23dcdfacba308a6dc25c2e
parent 015960eb1f62f682432137441737d8440a871536

Panda: Set lcd_xpy to 1 if the x/y res and dimensions are not set

Since the panda uses HDMI and DVI only there is no setting to
indicate the x/y res or dimensions.

There fore if these values are not set in the kernel set the
lcd_xpy to 1

Change-Id: I538eb0fc059daebfa3fe125cbdf0b70eb51f1616
Signed-off-by: Dan Murphy <dmurphy@ti.com>

hwc/hwc.c

diff --git a/hwc/hwc.c b/hwc/hwc.c
index 74012dd..baae1c1 100644
--- a/hwc/hwc.c
+++ b/hwc/hwc.c
@@ -2054,8 +2054,15 @@
         err = -errno;
         goto done;
     }
-    hwc_dev->ext.lcd_xpy = (float) hwc_dev->fb_dis.width_in_mm / hwc_dev->fb_dis.timings.x_res /
-                            hwc_dev->fb_dis.height_in_mm       * hwc_dev->fb_dis.timings.y_res;
+
+    if (hwc_dev->fb_dis.timings.x_res && hwc_dev->fb_dis.height_in_mm) {
+        hwc_dev->ext.lcd_xpy = (float)
+                hwc_dev->fb_dis.width_in_mm / hwc_dev->fb_dis.timings.x_res /
+                hwc_dev->fb_dis.height_in_mm * hwc_dev->fb_dis.timings.y_res;
+    } else {
+        ALOGE("x resolution or the height is not populated setting lcd_xpy to 1.0\n");
+        hwc_dev->ext.lcd_xpy = 1.0;
+    }
 
     if (pipe(hwc_dev->pipe_fds) == -1) {
             ALOGE("failed to event pipe (%d): %m", errno);