[coreboot-gerrit] Change in libgfxinit[master]: gma registers: Draw usage of Config.Fence_Count into the code
Nico Huber (Code Review)
gerrit at coreboot.org
Wed Jun 13 01:27:36 CEST 2018
Nico Huber has uploaded this change for review. ( https://review.coreboot.org/27055
Change subject: gma registers: Draw usage of Config.Fence_Count into the code
......................................................................
gma registers: Draw usage of Config.Fence_Count into the code
In case `Config.Fence_Count` is not a constant, we can't use it to
declare `Fence_Range`. Instead, limit the range throughout the code.
Change-Id: I2ab37f4cd9e6b4d37353ae4fd11d7e5a686d166f
Signed-off-by: Nico Huber <nico.h at gmx.de>
---
M common/hw-gfx-gma-registers.adb
1 file changed, 8 insertions(+), 5 deletions(-)
git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/55/27055/1
diff --git a/common/hw-gfx-gma-registers.adb b/common/hw-gfx-gma-registers.adb
index 94965d5..fa53ebf 100644
--- a/common/hw-gfx-gma-registers.adb
+++ b/common/hw-gfx-gma-registers.adb
@@ -61,7 +61,7 @@
----------------------------------------------------------------------------
- subtype Fence_Range is Registers_Range range 0 .. Config.Fence_Count - 1;
+ subtype Fence_Range is Registers_Range range 0 .. 31;
FENCE_PAGE_SHIFT : constant := 12;
FENCE_PAGE_MASK : constant := 16#ffff_f000#;
@@ -69,14 +69,15 @@
FENCE_VALID : constant := 1 * 2 ** 0;
function Fence_Lower_Idx (Fence : Fence_Range) return Registers_Range is
- (Config.Fence_Base / Register_Width + 2 * Fence);
+ (Registers_Range (Config.Fence_Base / Register_Width) + 2 * Fence);
function Fence_Upper_Idx (Fence : Fence_Range) return Registers_Range is
(Fence_Lower_Idx (Fence) + 1);
procedure Clear_Fences
is
begin
- for Fence in Fence_Range loop
+ for Fence in Fence_Range range 0 .. Fence_Range (Config.Fence_Count - 1)
+ loop
Regs.Write (Fence_Lower_Idx (Fence), 0);
end loop;
end Clear_Fences;
@@ -101,7 +102,8 @@
pragma Debug (Debug.Put_Line (" tiles per row."));
Success := False;
- for Fence in Fence_Range loop
+ for Fence in Fence_Range range 0 .. Fence_Range (Config.Fence_Count - 1)
+ loop
Regs.Read (Reg32, Fence_Lower_Idx (Fence));
if (Reg32 and FENCE_VALID) = 0 then
Regs.Write
@@ -127,7 +129,8 @@
Shift_Left (Word32 (Last_Page), FENCE_PAGE_SHIFT);
Fence_Upper, Fence_Lower : Word32;
begin
- for Fence in Fence_Range loop
+ for Fence in Fence_Range range 0 .. Fence_Range (Config.Fence_Count - 1)
+ loop
Regs.Read (Fence_Lower, Fence_Lower_Idx (Fence));
Regs.Read (Fence_Upper, Fence_Upper_Idx (Fence));
if (Fence_Lower and FENCE_PAGE_MASK) = Page_Lower and
--
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Gerrit-Project: libgfxinit
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I2ab37f4cd9e6b4d37353ae4fd11d7e5a686d166f
Gerrit-Change-Number: 27055
Gerrit-PatchSet: 1
Gerrit-Owner: Nico Huber <nico.h at gmx.de>
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