[PATCH] drm/radeon: fix endian bugs in radeon_atom_get_clock_dividers()

Michel Dänzer michel at daenzer.net
Mon Apr 22 09:25:45 PDT 2013


On Mon, 2013-04-22 at 12:15 -0400, Alex Deucher wrote: 
> On Mon, Apr 22, 2013 at 11:29 AM, Michel Dänzer <michel at daenzer.net> wrote:
> > On Mon, 2013-04-22 at 10:18 -0400, Alex Deucher wrote:
> >> On Mon, Apr 22, 2013 at 10:08 AM, Dan Carpenter
> >> <dan.carpenter at oracle.com> wrote:
> >> > On Mon, Apr 22, 2013 at 10:03:13AM -0400, alexdeucher at gmail.com wrote:
> >> >> From: Alex Deucher <alexander.deucher at amd.com>
> >> >>
> >> >> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> >> >> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> >> >> ---
> >> >>  drivers/gpu/drm/radeon/atombios.h        |    2 ++
> >> >>  drivers/gpu/drm/radeon/radeon_atombios.c |    6 ++----
> >> >>  2 files changed, 4 insertions(+), 4 deletions(-)
> >> >>
> >> >> diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h
> >> >> index 4b04ba3..de678dd 100644
> >> >> --- a/drivers/gpu/drm/radeon/atombios.h
> >> >> +++ b/drivers/gpu/drm/radeon/atombios.h
> > [...]
> >> >> @@ -491,6 +492,7 @@ typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5
> >> >>    {
> >> >>      ATOM_COMPUTE_CLOCK_FREQ  ulClock;         //Input Parameter
> >> >>      ATOM_S_MPLL_FB_DIVIDER   ulFbDiv;         //Output Parameter
> >> >> +    ULONG ulClockFbDiv;
> >> >>    };
> >> >>    UCHAR   ucRefDiv;                           //Output Parameter
> >> >>    UCHAR   ucPostDiv;                          //Output Parameter
> >
> > This may just be a nitpick, but the location and name of the new union
> > member is slightly confusing: It suggests that it's some kind of
> > combination of the ulClock and ulFbDiv members, when it's just an
> > alternative representation of ulClock. I'd suggest moving up the new
> > member, clarifying its name and/or adding a comment explaining what it
> > is for.
> > Looks good to me other than that.
> 
> Sounds good.  v3 attached.

Thanks.

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com> 

-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer


More information about the dri-devel mailing list