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authorAlex Deucher <alexdeucher@gmail.com>2009-12-08 14:07:03 -0500
committerDave Airlie <airlied@redhat.com>2009-12-09 13:31:07 +1000
commit279b215ecb8acc735c01ac89b1aa28c4a27dcafa (patch)
tree4dab0214a2d1628abdf959bfe5e28629b16024bc /drivers/gpu
parent390d0bbe88b3ef00c28086076d791533407f298e (diff)
drm/radeon/kms: make sure ss id matches
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d7b0feb7d47..6cac0651d0f 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -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;
}