[Intel-gfx] [PATCH 4/4] drm/i915: Pimp async flip debugs

Lisovskiy, Stanislav stanislav.lisovskiy at intel.com
Thu Mar 3 14:16:44 UTC 2022


On Mon, Feb 14, 2022 at 12:55:32PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Print the offending plane/crtc id+name in the async flip debugs.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>

> 
> Cc: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 63 ++++++++++++++------
>  1 file changed, 44 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 93db8ffa54f8..51ef393ff87b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -7541,18 +7541,24 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in
>  	if (!new_crtc_state->uapi.async_flip)
>  		return 0;
>  
> -	if (intel_crtc_needs_modeset(new_crtc_state)) {
> -		drm_dbg_kms(&i915->drm, "Modeset Required. Async flip not supported\n");
> -		return -EINVAL;
> -	}
> -
>  	if (!new_crtc_state->hw.active) {
> -		drm_dbg_kms(&i915->drm, "CRTC inactive\n");
> +		drm_dbg_kms(&i915->drm,
> +			    "[CRTC:%d:%s] not active\n",
> +			    crtc->base.base.id, crtc->base.name);
>  		return -EINVAL;
>  	}
> +
> +	if (intel_crtc_needs_modeset(new_crtc_state)) {
> +		drm_dbg_kms(&i915->drm,
> +			    "[CRTC:%d:%s] modeset required\n",
> +			    crtc->base.base.id, crtc->base.name);
> +		return -EINVAL;
> +	}
> +
>  	if (old_crtc_state->active_planes != new_crtc_state->active_planes) {
>  		drm_dbg_kms(&i915->drm,
> -			    "Active planes cannot be changed during async flip\n");
> +			    "[CRTC:%d:%s] Active planes cannot be in async flip\n",
> +			    crtc->base.base.id, crtc->base.name);
>  		return -EINVAL;
>  	}
>  
> @@ -7593,75 +7599,94 @@ static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct in
>  			break;
>  		default:
>  			drm_dbg_kms(&i915->drm,
> -				    "Linear memory/CCS does not support async flips\n");
> +				    "[PLANE:%d:%s] Modifier does not support async flips\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (new_plane_state->hw.fb->format->num_planes > 1) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Planar formats not supported with async flips\n");
> +				    "[PLANE:%d:%s] Planar formats do not support async flips\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->view.color_plane[0].mapping_stride !=
>  		    new_plane_state->view.color_plane[0].mapping_stride) {
> -			drm_dbg_kms(&i915->drm, "Stride cannot be changed in async flip\n");
> +			drm_dbg_kms(&i915->drm,
> +				    "[PLANE:%d:%s] Stride cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.fb->modifier !=
>  		    new_plane_state->hw.fb->modifier) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Framebuffer modifiers cannot be changed in async flip\n");
> +				    "[PLANE:%d:%s] Modifier cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.fb->format !=
>  		    new_plane_state->hw.fb->format) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Framebuffer format cannot be changed in async flip\n");
> +				    "[PLANE:%d:%s] Pixel format cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.rotation !=
>  		    new_plane_state->hw.rotation) {
> -			drm_dbg_kms(&i915->drm, "Rotation cannot be changed in async flip\n");
> +			drm_dbg_kms(&i915->drm,
> +				    "[PLANE:%d:%s] Rotation cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (!drm_rect_equals(&old_plane_state->uapi.src, &new_plane_state->uapi.src) ||
>  		    !drm_rect_equals(&old_plane_state->uapi.dst, &new_plane_state->uapi.dst)) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Plane size/co-ordinates cannot be changed in async flip\n");
> +				    "[PLANE:%d:%s] Size/co-ordinates cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.alpha != new_plane_state->hw.alpha) {
> -			drm_dbg_kms(&i915->drm, "Alpha value cannot be changed in async flip\n");
> +			drm_dbg_kms(&i915->drm,
> +				    "[PLANES:%d:%s] Alpha value cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.pixel_blend_mode !=
>  		    new_plane_state->hw.pixel_blend_mode) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Pixel blend mode cannot be changed in async flip\n");
> +				    "[PLANE:%d:%s] Pixel blend mode cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.color_encoding != new_plane_state->hw.color_encoding) {
>  			drm_dbg_kms(&i915->drm,
> -				    "Color encoding cannot be changed in async flip\n");
> +				    "[PLANE:%d:%s] Color encoding cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		if (old_plane_state->hw.color_range != new_plane_state->hw.color_range) {
> -			drm_dbg_kms(&i915->drm, "Color range cannot be changed in async flip\n");
> +			drm_dbg_kms(&i915->drm,
> +				    "[PLANE:%d:%s] Color range cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
>  		}
>  
>  		/* plane decryption is allow to change only in synchronous flips */
> -		if (old_plane_state->decrypt != new_plane_state->decrypt)
> +		if (old_plane_state->decrypt != new_plane_state->decrypt) {
> +			drm_dbg_kms(&i915->drm,
> +				    "[PLANE:%d:%s] Decryption cannot be changed in async flip\n",
> +				    plane->base.base.id, plane->base.name);
>  			return -EINVAL;
> +		}
>  	}
>  
>  	return 0;
> -- 
> 2.34.1
> 


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