Re: [PATCH v3 1/2] drm/i915/skl+: Check for supported plane configuration in Interlace mode

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On Mon, Jul 03, 2017 at 09:28:00PM +0530, Mahesh Kumar wrote:
> Hi,
> 
> 
> On Monday 03 July 2017 07:32 PM, Ville Syrjälä wrote:
> > On Sat, Jul 01, 2017 at 09:35:12AM +0530, Mahesh Kumar wrote:
> >> Hi,
> >>
> >>
> >> On Friday 30 June 2017 05:56 PM, Ville Syrjälä wrote:
> >>> On Fri, Jun 30, 2017 at 05:40:59PM +0530, Mahesh Kumar wrote:
> >>>> In Gen9 platform Interlaced fetch mode doesn't support following plane
> >>>> configuration:
> >>>>    - Y/Yf tiling
> >>>>    - 90/270 rotation
> >>> The rotation check seems to be missing from the code?
> >> 90/270 rotation require Y/Yf tiling, so that will be automagically
> >> handled as Y-tile case.
> > Right. OK, series lgtm
> > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > Was there a bugzilla link we should include in these patches?
> following is bugzilla link for the issue.
> https://bugs.freedesktop.org/show_bug.cgi?id=90238

Added that, and pushed the series to dinq. Thanks for the patches.

I had to fix a small checkpatch complaint while applying. Plase always
review the checkpatch warnings when submitting patches.

> 
> -Mahesh
> >
> >> -Mahesh
> >>>>    - YUV420 hybrid planar source pixel formats.
> >>>>
> >>>> This patch adds check to fail the flip if any of the above configuration
> >>>> is requested.
> >>>>
> >>>> Changes since V1:
> >>>>    - handle checks in intel_plane_atomic_check_with_state (ville)
> >>>>    - takeout plane scaler checks combile with pipe scaler in next patch
> >>>> Changes since V2:
> >>>>    - No need to check for NV12 as it need scaling, so it will be rejected
> >>>>      by scaling check (ville)
> >>>>
> >>>> Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
> >>>> ---
> >>>>    drivers/gpu/drm/i915/intel_atomic_plane.c | 15 +++++++++++++++
> >>>>    1 file changed, 15 insertions(+)
> >>>>
> >>>> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
> >>>> index 4325cb0a04f5..ee76fab7bb6f 100644
> >>>> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> >>>> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> >>>> @@ -114,6 +114,8 @@ int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state,
> >>>>    	struct drm_i915_private *dev_priv = to_i915(plane->dev);
> >>>>    	struct drm_plane_state *state = &intel_state->base;
> >>>>    	struct intel_plane *intel_plane = to_intel_plane(plane);
> >>>> +	const struct drm_display_mode *adjusted_mode =
> >>>> +		&crtc_state->base.adjusted_mode;
> >>>>    	int ret;
> >>>>    
> >>>>    	/*
> >>>> @@ -173,6 +175,19 @@ int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state,
> >>>>    	if (ret)
> >>>>    		return ret;
> >>>>    
> >>>> +	/*
> >>>> +	 * Y-tiling is not supported in IF-ID Interlace mode in
> >>>> +	 * GEN9 and above.
> >>>> +	 */
> >>>> +	if (state->fb && INTEL_GEN(dev_priv) >= 9 && crtc_state->base.enable &&
> >>>> +	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
> >>>> +		if (state->fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> >>>> +		    state->fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
> >>>> +			DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n");
> >>>> +			return -EINVAL;
> >>>> +		}
> >>>> +	}
> >>>> +
> >>>>    	/* FIXME pre-g4x don't work like this */
> >>>>    	if (intel_state->base.visible)
> >>>>    		crtc_state->active_planes |= BIT(intel_plane->id);
> >>>> -- 
> >>>> 2.13.0

-- 
Ville Syrjälä
Intel OTC
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