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gma: Add parameter to Scan_Ports to limit number of pipes

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In some configurations (e.g. textmode) we know that we'll only enable
a limited number of pipes. So let's skip additional port probing in
Scan_Ports() that would only waste time otherwise.

Change-Id: I496e84cfe8bb170a6b500f64461db4c837c439fd
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17278
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Nico Huber
2016-11-07 12:51:20 +01:00
committed by Nico Huber
parent 74ec962821
commit aa91bb5202
2 changed files with 5 additions and 3 deletions
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5
common/hw-gfx-gma.adb
View File

@@ -344,7 +344,8 @@ is
procedure Scan_Ports
(Configs : out Configs_Type;
Ports : in Port_List)
Ports : in Port_List;
Max_Pipe : in Config_Index := Config_Index'Last)
is
Raw_EDID : EDID.Raw_EDID_Data := (others => 16#00#);
Port_Idx : Port_List_Range := Port_List_Range'First;
@@ -356,7 +357,7 @@ is
Mode => Invalid_Mode,
Framebuffer => Default_FB));
for Config_Idx in Config_Index loop
for Config_Idx in Config_Index range Config_Index'First .. Max_Pipe loop
while Ports (Port_Idx) /= Disabled loop
if not Port_Configured (Configs, Ports (Port_Idx)) then
Configs (Config_Idx).Port := Ports (Port_Idx);

3
common/hw-gfx-gma.ads
View File

@@ -80,7 +80,8 @@ is
procedure Scan_Ports
(Configs : out Configs_Type;
Ports : in Port_List);
Ports : in Port_List;
Max_Pipe : in Config_Index := Config_Index'Last);
procedure Auto_Configure
(Configs : in out Configs_Type;
Keep_Power : in Boolean := False);