[Intel-gfx] [PATCH v3 2/4] drm/i915/icl: Implement Display WA_1405510057

Imre Deak imre.deak at intel.com
Thu Nov 1 23:52:20 UTC 2018


On Thu, Nov 01, 2018 at 12:33:04PM -0700, Rodrigo Vivi wrote:
> On Tue, Oct 30, 2018 at 03:27:35PM -0700, Rodrigo Vivi wrote:
> > On Tue, Oct 30, 2018 at 01:45:02AM -0700, Radhakrishna Sripada wrote:
> > > Display WA_1405510057 asks to not enable YUV 420 HDMI
> > > 10bpc when horizontal blank size mod 8 reminder is 2.
> > > 
> > > V2: Rebase(r-b: Anusha)
> > > V3: crtc_state->s/ycbcr420/output_format/
> > > 
> > > Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> > > Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> > > Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> > 
> > Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> 
> pushed to dinq. thanks for patches and reviews.

I think there was a wrong conflict resolution in this push:

commit 0992e781d7ce707889d81f8e349ce1561392493f
Merge: 10cf4fd63eed f57f9371e285
Author: Rodrigo Vivi <rodrigo.vivi at intel.com>
Date:   Thu Nov 1 12:43:25 2018 -0700

    Merge remote-tracking branch 'drm-intel/drm-intel-next-queued' into drm-tip
    
    # Conflicts:
    #       drivers/gpu/drm/i915/i915_debugfs.c
    #       drivers/gpu/drm/i915/i915_irq.c
    #       drivers/gpu/drm/i915/intel_csr.c
    #       drivers/gpu/drm/i915/intel_display.c
    #       drivers/gpu/drm/i915/intel_dp.c
    #       drivers/gpu/drm/i915/intel_dp_mst.c
    #       drivers/gpu/drm/i915/intel_drv.h

diff --cc drivers/gpu/drm/i915/intel_display.c
index 9741cc419e1b,3618d3affc89..532178763fa1
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@@ -15701,14 -15414,18 +15414,25 @@@ static void readout_plane_state(struct 
  		crtc_state = to_intel_crtc_state(crtc->base.state);
  
  		intel_set_plane_visible(crtc_state, plane_state, visible);
+ 
+ 		DRM_DEBUG_KMS("[PLANE:%d:%s] hw state readout: %s, pipe %c\n",
+ 			      plane->base.base.id, plane->base.name,
+ 			      enableddisabled(visible), pipe_name(pipe));
+ 	}
+ 
+ 	for_each_intel_crtc(&dev_priv->drm, crtc) {
+ 		struct intel_crtc_state *crtc_state =
+ 			to_intel_crtc_state(crtc->base.state);
+ 
+ 		fixup_active_planes(crtc_state);
  	}
 +
 +	for_each_intel_crtc(&dev_priv->drm, crtc) {
 +		struct intel_crtc_state *crtc_state =
 +			to_intel_crtc_state(crtc->base.state);
 +
 +		fixup_active_planes(crtc_state);
 +	}
  }
  
  static void intel_modeset_readout_hw_state(struct drm_device *dev)

I'm resolving it with keeping only one of the for_each_intel_crtc()
loop.

> 
> > 
> > > ---
> > >  drivers/gpu/drm/i915/intel_hdmi.c | 11 ++++++++++-
> > >  1 file changed, 10 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> > > index 129b880bce64..6c6c4dd12fd5 100644
> > > --- a/drivers/gpu/drm/i915/intel_hdmi.c
> > > +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> > > @@ -1595,6 +1595,8 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
> > >  	struct drm_atomic_state *state = crtc_state->base.state;
> > >  	struct drm_connector_state *connector_state;
> > >  	struct drm_connector *connector;
> > > +	const struct drm_display_mode *adjusted_mode =
> > > +		&crtc_state->base.adjusted_mode;
> > >  	int i;
> > >  
> > >  	if (HAS_GMCH_DISPLAY(dev_priv))
> > > @@ -1643,7 +1645,14 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
> > >  
> > >  	/* Display WA #1139: glk */
> > >  	if (bpc == 12 && IS_GLK_REVID(dev_priv, 0, GLK_REVID_A1) &&
> > > -	    crtc_state->base.adjusted_mode.htotal > 5460)
> > > +	    adjusted_mode->htotal > 5460)
> > > +		return false;
> > > +
> > > +	/* Display Wa_1405510057:icl */
> > > +	if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
> > > +	    bpc == 10 && IS_ICELAKE(dev_priv) &&
> > > +	    (adjusted_mode->crtc_hblank_end -
> > > +	     adjusted_mode->crtc_hblank_start) % 8 == 2)
> > >  		return false;
> > >  
> > >  	return true;
> > > -- 
> > > 2.9.3
> > > 
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