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

[Mahesh Kumar]

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 at linux.intel.com>
>
> 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

-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 at intel.com>
>>>> ---
>>>>    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