Change in ...libgfxinit[master]: gma: Fix Ironlake panel fitting, revisited

[Nico Huber (Code Review)]

Nico Huber has submitted this change and it was merged. ( https://review.coreboot.org/c/libgfxinit/+/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 
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/27153
Reviewed-by: Arthur Heymans 
---
M common/hw-gfx-gma-pipe_setup.adb
1 file changed, 4 insertions(+), 0 deletions(-)

Approvals:
  Nico Huber: Verified
  Arthur Heymans: Looks good to me, approved

diff --git a/common/hw-gfx-gma-pipe_setup.adb b/common/hw-gfx-gma-pipe_setup.adb
index 76051dd..0a2cbcf 100644
--- a/common/hw-gfx-gma-pipe_setup.adb
+++ b/common/hw-gfx-gma-pipe_setup.adb
@@ -508,6 +508,10 @@
       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;