| Message ID | 1351714375-15284-11-git-send-email-przanoni@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Oct 31, 2012 at 06:12:29PM -0200, Paulo Zanoni wrote: > From: Paulo Zanoni <paulo.r.zanoni@intel.com> > > According to the mode set sequence documentation, this is the right > place. According to the FDI_RX_TUSIZE register description, this is > the value we should set. > > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> > --- > drivers/gpu/drm/i915/intel_ddi.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c > index 0cb6441..5d33f62 100644 > --- a/drivers/gpu/drm/i915/intel_ddi.c > +++ b/drivers/gpu/drm/i915/intel_ddi.c > @@ -196,6 +196,9 @@ void hsw_fdi_link_train(struct drm_crtc *crtc) > > udelay(600); > > + /* Program PCH FDI Receiver TU */ > + I915_WRITE(_FDI_RXA_TUSIZE1, 0x7E000000); > + I think you also want to remove the setting of RX_TU_SIZE in lpt_pch_enable. And we have nice symbolic constants to encode that 0-based 64 shifter by 25 bits ... -Daniel > /* Enable PCH FDI Receiver with auto-training */ > rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO; > I915_WRITE(_FDI_RXA_CTL, rx_ctl_val); > -- > 1.7.11.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 0cb6441..5d33f62 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -196,6 +196,9 @@ void hsw_fdi_link_train(struct drm_crtc *crtc) udelay(600); + /* Program PCH FDI Receiver TU */ + I915_WRITE(_FDI_RXA_TUSIZE1, 0x7E000000); + /* Enable PCH FDI Receiver with auto-training */ rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO; I915_WRITE(_FDI_RXA_CTL, rx_ctl_val);