[coreboot-gerrit] Change in libgfxinit[master]: gma: Fix Ironlake panel fitting, revisited

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/27153


Change subject: gma: Fix Ironlake panel fitting, revisited
......................................................................

gma: Fix Ironlake panel fitting, revisited

This time avoid scaling to odd heights, too. At least Sandy Bridge
has trouble with this.

Change-Id: Ib7dfe1fd289661ecd6949eca4b39860dbecc4463
Signed-off-by: Nico Huber <nico.h at gmx.de>
---
M common/hw-gfx-gma-pipe_setup.adb
1 file changed, 4 insertions(+), 0 deletions(-)



  git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/53/27153/1

diff --git a/common/hw-gfx-gma-pipe_setup.adb b/common/hw-gfx-gma-pipe_setup.adb
index 647ba35..656eb13 100644
--- a/common/hw-gfx-gma-pipe_setup.adb
+++ b/common/hw-gfx-gma-pipe_setup.adb
@@ -513,6 +513,10 @@
       if Width < Mode.H_Visible and Width mod 2 = 1 then
          Width := Width + 1;
       end if;
+      -- Do not scale to odd height (at least Sandy Bridge makes trouble).
+      if Height < Mode.V_Visible and Height mod 2 = 1 then
+         Height := Height + 1;
+      end if;
 
       X := (Mode.H_Visible - Width) / 2;
       Y := (Mode.V_Visible - Height) / 2;

-- 
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Gerrit-Project: libgfxinit
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib7dfe1fd289661ecd6949eca4b39860dbecc4463
Gerrit-Change-Number: 27153
Gerrit-PatchSet: 1
Gerrit-Owner: Nico Huber <nico.h at gmx.de>
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