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Commit 990dee3a authored by james qian wang (Arm Technology China)'s avatar james qian wang (Arm Technology China) Committed by Liviu Dudau
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drm/komeda: Computing image enhancer internally 



Enable image enhancer when the input data flow is 2x+ upscaling.

Signed-off-by: default avatarjames qian wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: default avatarLiviu Dudau <Liviu.Dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708070000.4945-1-james.qian.wang@arm.com
parent 1930c112

drivers/gpu/drm/arm/display/komeda/komeda_kms.h

+2 −5
Original line number Diff line number Diff line
@@ -47,11 +47,8 @@ struct komeda_plane_state { 
	/** @zlist_node: zorder list node */

	struct list_head zlist_node;



	/* @img_enhancement: on/off image enhancement

	 * @layer_split: on/off layer_split

	 */

	u8 img_enhancement : 1,

	   layer_split : 1;

	/** @layer_split: on/off layer_split */

	u8 layer_split : 1;

};



/**

drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c

+4 −0
Original line number Diff line number Diff line
@@ -806,6 +806,10 @@ void komeda_complete_data_flow_cfg(struct komeda_layer *layer, 
	dflow->en_scaling = (w != dflow->out_w) || (h != dflow->out_h);

	dflow->is_yuv = fb->format->is_yuv;



	/* try to enable image enhancer if data flow is a 2x+ upscaling */

	dflow->en_img_enhancement = dflow->out_w >= 2 * w ||

				    dflow->out_h >= 2 * h;



	/* try to enable split if scaling exceed the scaler's acceptable

	 * input/output range.

	 */

drivers/gpu/drm/arm/display/komeda/komeda_plane.c

+0 −5
Original line number Diff line number Diff line
@@ -18,7 +18,6 @@ komeda_plane_init_data_flow(struct drm_plane_state *st, 
			    struct komeda_data_flow_cfg *dflow)

{

	struct komeda_plane *kplane = to_kplane(st->plane);

	struct komeda_plane_state *kplane_st = to_kplane_st(st);

	struct drm_framebuffer *fb = st->fb;

	const struct komeda_format_caps *caps = to_kfb(fb)->format_caps;

	struct komeda_pipeline *pipe = kplane->layer->base.pipeline;
@@ -57,8 +56,6 @@ komeda_plane_init_data_flow(struct drm_plane_state *st, 
		return -EINVAL;

	}



	dflow->en_img_enhancement = !!kplane_st->img_enhancement;



	komeda_complete_data_flow_cfg(kplane->layer, dflow, fb);



	return 0;
@@ -174,8 +171,6 @@ komeda_plane_atomic_duplicate_state(struct drm_plane *plane) 


	old = to_kplane_st(plane->state);



	new->img_enhancement = old->img_enhancement;



	return &new->base;

}