On Fri, 27 Mar 2015, Imre Deak <[email protected]> wrote: > From: Vandana Kannan <[email protected]> > > For BXT, DDI buf idle timeout delay needs to be increased to 16us. > > Since this is a timeout value and we return as soon as the condition is > realized, no penalty incurred for other platforms. > > v2: > - remove TIMEOUT macro used only at a single place (Daniel) > > Suggested-by: Satheeshakrishna M <[email protected]> > Cc: Satheeshakrishna M <[email protected]> > Cc: Damien Lespiau <[email protected]> > Signed-off-by: Vandana Kannan <[email protected]> > Signed-off-by: Damien Lespiau <[email protected]> (v1)
Might have a comment about bxt vs. others in there, but either way, Reviewed-by: Jani Nikula <[email protected]> > --- > drivers/gpu/drm/i915/intel_ddi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_ddi.c > b/drivers/gpu/drm/i915/intel_ddi.c > index 8aee7d7..e24cd6f 100644 > --- a/drivers/gpu/drm/i915/intel_ddi.c > +++ b/drivers/gpu/drm/i915/intel_ddi.c > @@ -322,7 +322,7 @@ static void intel_wait_ddi_buf_idle(struct > drm_i915_private *dev_priv, > uint32_t reg = DDI_BUF_CTL(port); > int i; > > - for (i = 0; i < 8; i++) { > + for (i = 0; i < 16; i++) { > udelay(1); > if (I915_READ(reg) & DDI_BUF_IS_IDLE) > return; > -- > 2.1.0 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
