[edk2] [PATCH edk2-platforms v2 10/18] ARM/VExpressPkg: HdLcdArmVExpressLib: Remove status check EFI_TIMEOUT

evan.lloyd@arm.com posted 18 patches 7 years, 4 months ago
[edk2] [PATCH edk2-platforms v2 10/18] ARM/VExpressPkg: HdLcdArmVExpressLib: Remove status check EFI_TIMEOUT
Posted by evan.lloyd@arm.com 7 years, 4 months ago
From: Girish Pathak <girish.pathak at arm.com>

None of the ArmPlatformSys*  functions returns EFI_TIMEOUT. Hence checking
this in the do {} while loop in LcdPlatformSetMode is wrong. Therefore
remove this comparision and as a result remove the do {} while loop.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Girish Pathak <girish.pathak@arm.com>
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
---
 Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c | 22 ++++++++------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c b/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
index f8d19df79260cdfbe1876d6ccc10d49abd0637cf..533d7fa4777e8f22429e2ae63a828dcb5401b5c0 100644
--- a/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
+++ b/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
@@ -230,25 +230,21 @@ LcdPlatformSetMode (
   }
 
   // Set the video mode oscillator
-  do {
-    Status = ArmPlatformSysConfigSetDevice (
-               SYS_CFG_OSC_SITE1,
-               FixedPcdGet32 (PcdHdLcdVideoModeOscId),
-               mResolutions[ModeNumber].OscFreq
-               );
-  } while (Status == EFI_TIMEOUT);
+  Status = ArmPlatformSysConfigSetDevice (
+             SYS_CFG_OSC_SITE1,
+             FixedPcdGet32 (PcdHdLcdVideoModeOscId),
+             mResolutions[ModeNumber].OscFreq
+             );
   if (EFI_ERROR (Status)) {
     ASSERT_EFI_ERROR (Status);
     return Status;
   }
 
   // Set the DVI into the new mode
-  do {
-    Status = ArmPlatformSysConfigSet (
-               SYS_CFG_DVIMODE,
-               mResolutions[ModeNumber].Mode
-               );
-  } while (Status == EFI_TIMEOUT);
+  Status = ArmPlatformSysConfigSet (
+             SYS_CFG_DVIMODE,
+             mResolutions[ModeNumber].Mode
+             );
   if (EFI_ERROR (Status)) {
     ASSERT_EFI_ERROR (Status);
     return Status;
-- 
Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")

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Re: [edk2] [PATCH edk2-platforms v2 10/18] ARM/VExpressPkg: HdLcdArmVExpressLib: Remove status check EFI_TIMEOUT
Posted by Ard Biesheuvel 7 years, 4 months ago
On 22 December 2017 at 19:08,  <evan.lloyd@arm.com> wrote:
> From: Girish Pathak <girish.pathak at arm.com>
>
> None of the ArmPlatformSys*  functions returns EFI_TIMEOUT. Hence checking
> this in the do {} while loop in LcdPlatformSetMode is wrong. Therefore
> remove this comparision and as a result remove the do {} while loop.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Girish Pathak <girish.pathak@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

> ---
>  Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c | 22 ++++++++------------
>  1 file changed, 9 insertions(+), 13 deletions(-)
>
> diff --git a/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c b/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
> index f8d19df79260cdfbe1876d6ccc10d49abd0637cf..533d7fa4777e8f22429e2ae63a828dcb5401b5c0 100644
> --- a/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
> +++ b/Platform/ARM/VExpressPkg/Library/HdLcdArmVExpressLib/HdLcdArmVExpress.c
> @@ -230,25 +230,21 @@ LcdPlatformSetMode (
>    }
>
>    // Set the video mode oscillator
> -  do {
> -    Status = ArmPlatformSysConfigSetDevice (
> -               SYS_CFG_OSC_SITE1,
> -               FixedPcdGet32 (PcdHdLcdVideoModeOscId),
> -               mResolutions[ModeNumber].OscFreq
> -               );
> -  } while (Status == EFI_TIMEOUT);
> +  Status = ArmPlatformSysConfigSetDevice (
> +             SYS_CFG_OSC_SITE1,
> +             FixedPcdGet32 (PcdHdLcdVideoModeOscId),
> +             mResolutions[ModeNumber].OscFreq
> +             );
>    if (EFI_ERROR (Status)) {
>      ASSERT_EFI_ERROR (Status);
>      return Status;
>    }
>
>    // Set the DVI into the new mode
> -  do {
> -    Status = ArmPlatformSysConfigSet (
> -               SYS_CFG_DVIMODE,
> -               mResolutions[ModeNumber].Mode
> -               );
> -  } while (Status == EFI_TIMEOUT);
> +  Status = ArmPlatformSysConfigSet (
> +             SYS_CFG_DVIMODE,
> +             mResolutions[ModeNumber].Mode
> +             );
>    if (EFI_ERROR (Status)) {
>      ASSERT_EFI_ERROR (Status);
>      return Status;
> --
> Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
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