On Wednesday, October 25, 2017 3:02:12 PM PDT abhay.kumar@xxxxxxxxx wrote: > From: Abhay Kumar <abhay.kumar@xxxxxxxxx> > > In glk when device boots with only 1366x768 panel, HDA codec doesn't comeup. > This result in no audio forever as cdclk is < 96Mhz. > This chagne will ensure CD clock to be twice of BCLK. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102937 > Signed-off-by: Abhay Kumar <abhay.kumar@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_cdclk.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_cdclk.c > b/drivers/gpu/drm/i915/intel_cdclk.c index e8884c2ade98..185a70f0921c > 100644 > --- a/drivers/gpu/drm/i915/intel_cdclk.c > +++ b/drivers/gpu/drm/i915/intel_cdclk.c > @@ -1920,7 +1920,7 @@ int intel_crtc_compute_min_cdclk(const struct > intel_crtc_state *crtc_state) /* According to BSpec, "The CD clock > frequency must be at least twice * the frequency of the Azalia BCLK." and > BCLK is 96 MHz by default. */ > - if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9) > + if (INTEL_GEN(dev_priv) >= 9) Why should cdclk be increased when audio is not being enabled? > min_cdclk = max(2 * 96000, min_cdclk); > > if (min_cdclk > dev_priv->max_cdclk_freq) { _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
