| Message ID | 1351096279-5710-1-git-send-email-eich@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Oct 24, 2012 at 12:31 PM, Egbert Eich <eich@suse.de> wrote: > For Radeon 7500 ATI recommends a DAC_FORCE value of 0x1ac. This value > works better on ES1000 (RV100) chips, too, as it doesn't produce any false > positives on any cards I have tested. Therefore let's assume that this > value is good for all RV100 and RV200 chipset generations. Looks good. Added to by -fixes queue. Thanks! Alex > > Signed-off-by: Egbert Eich <eich@suse.de> > --- > drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c > index 752e98b..c7916ac 100644 > --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c > +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c > @@ -659,6 +659,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc > > if (ASIC_IS_R300(rdev)) > tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); > + else if (ASIC_IS_RV100(rdev)) > + tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT); > else > tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); > > -- > 1.7.6.3 >
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 752e98b..c7916ac 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -659,6 +659,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc if (ASIC_IS_R300(rdev)) tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); + else if (ASIC_IS_RV100(rdev)) + tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT); else tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
For Radeon 7500 ATI recommends a DAC_FORCE value of 0x1ac. This value works better on ES1000 (RV100) chips, too, as it doesn't produce any false positives on any cards I have tested. Therefore let's assume that this value is good for all RV100 and RV200 chipset generations. Signed-off-by: Egbert Eich <eich@suse.de> --- drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)