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drm/radeon/kms: make sure ss id matches

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entries in the ss table aren't always ordered
by id.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2009-12-08 14:07:03 -05:00 committed by Dave Airlie
parent 390d0bbe88
commit 279b215ecb
1 changed files with 12 additions and 6 deletions
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18
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -1006,6 +1006,7 @@ static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
uint8_t frev, crev;
struct radeon_atom_ss *ss = NULL;
int i;
if (id > ATOM_MAX_SS_ENTRY)
return NULL;
@ -1023,12 +1024,17 @@ static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
if (!ss)
return NULL;
ss->percentage = le16_to_cpu(ss_info->asSS_Info[id].usSpreadSpectrumPercentage);
ss->type = ss_info->asSS_Info[id].ucSpreadSpectrumType;
ss->step = ss_info->asSS_Info[id].ucSS_Step;
ss->delay = ss_info->asSS_Info[id].ucSS_Delay;
ss->range = ss_info->asSS_Info[id].ucSS_Range;
ss->refdiv = ss_info->asSS_Info[id].ucRecommendedRef_Div;
for (i = 0; i < ATOM_MAX_SS_ENTRY; i++) {
if (ss_info->asSS_Info[i].ucSS_Id == id) {
ss->percentage =
le16_to_cpu(ss_info->asSS_Info[i].usSpreadSpectrumPercentage);
ss->type = ss_info->asSS_Info[i].ucSpreadSpectrumType;
ss->step = ss_info->asSS_Info[i].ucSS_Step;
ss->delay = ss_info->asSS_Info[i].ucSS_Delay;
ss->range = ss_info->asSS_Info[i].ucSS_Range;
ss->refdiv = ss_info->asSS_Info[i].ucRecommendedRef_Div;
}
}
}
return ss;
}