File z_do-not-set-moronic-DPI.patch of Package xorg-x11-server

From 11685604edd2eacee708e920aca92081dbbe7fd8 Mon Sep 17 00:00:00 2001
From: v-fox <virtuousfox@gmail.com>
Date: Wed, 6 Dec 2017 19:16:41 +0500
Subject: [PATCH] Use real DPI instead of 96
 https://bugs.freedesktop.org/show_bug.cgi?id=41115

---
 hw/xfree86/modes/xf86RandR12.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/hw/xfree86/modes/xf86RandR12.c b/hw/xfree86/modes/xf86RandR12.c
index aac02db..955079c 100644
--- a/hw/xfree86/modes/xf86RandR12.c
+++ b/hw/xfree86/modes/xf86RandR12.c
@@ -800,6 +800,7 @@ xf86RandR12CreateScreenResources(ScreenPtr pScreen)
         }
         else {
             xf86OutputPtr output = xf86CompatOutput(pScrn);
+	    xf86CrtcPtr     crtc = output->crtc;
 
             if (output &&
                 output->conf_monitor &&
@@ -811,6 +812,17 @@ xf86RandR12CreateScreenResources(ScreenPtr pScreen)
                 mmWidth = output->conf_monitor->mon_width;
                 mmHeight = output->conf_monitor->mon_height;
             }
+	    else if (crtc && crtc->mode.HDisplay &&
+		     output->mm_width && output->mm_height)
+	    {
+		/*
+		 * If the output has a mode and a declared size, use that
+		 * to scale the screen size
+		 */
+		DisplayModePtr	mode = &crtc->mode;
+		mmWidth = output->mm_width * width / mode->HDisplay;
+		mmHeight = output->mm_height * height / mode->VDisplay;
+	    }
             else {
                 /*
                  * Otherwise, just set the screen to DEFAULT_DPI
-- 
2.15.1