[PATCH] radeon: Fix KMS CP writeback on big endian machines.

[Cédric Cano]

Hi,

Sorry, I've done a patch in reverse mode :(.

I repost the patch for r600 and evergreen write back correction for big 
endian platforms.

Cedric

Signed-off-by: Cedric Cano <ccano at interfaceconcept.com>
---
diff -Nuar linux-2.6.38.2/drivers/gpu/drm/radeon/evergreen.c 
linux-2.6.38.2/drivers/gpu/drm/radeon/evergreen.c
--- linux-2.6.38.2/drivers/gpu/drm/radeon/evergreen.c    2011-03-27 
20:37:20.000000000 +0200
+++ linux-2.6.38.2/drivers/gpu/drm/radeon/evergreen.c    2011-04-19 
11:39:39.000000000 +0200
@@ -2587,7 +2587,7 @@
      u32 wptr, tmp;

      if (rdev->wb.enabled)
-        wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
+        wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
      else
          wptr = RREG32(IH_RB_WPTR);


diff -Nuar linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c 
linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c
--- linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c    2011-03-27 
20:37:20.000000000 +0200
+++ linux-2.6.38.2/drivers/gpu/drm/radeon/r600.c    2011-04-19 
09:52:13.000000000 +0200
@@ -3227,7 +3227,7 @@
      u32 wptr, tmp;

      if (rdev->wb.enabled)
-        wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
+        wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
      else
          wptr = RREG32(IH_RB_WPTR);




Le 19/04/2011 10:54, Michel Dänzer a écrit :
>  On Die, 2011-04-19 at 10:23 +0200, Cédric Cano wrote:
> >
> > The following patch fixes interrupt acknowledge when write-back is
> > enabled on big endian platform.
> >
> > The same should be applied on evergreen.
>
>  Can you include that in the patch? I somehow managed to miss these in
>  my previous patch for older chips. :(
>
>

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