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Commit 38b62fb3 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

drm/rcar-du: Add support for DEFR8 register 



The R8A7790 DU has a new extended function control register. Support it.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
parent a5f0ef59

drivers/gpu/drm/rcar-du/rcar_du_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -222,7 +222,8 @@ static const struct rcar_du_device_info rcar_du_r8a7779_info = { 
};



static const struct rcar_du_device_info rcar_du_r8a7790_info = {

	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_ALIGN_128B,

	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_ALIGN_128B

		  | RCAR_DU_FEATURE_DEFR8,

	.num_crtcs = 3,

};

drivers/gpu/drm/rcar-du/rcar_du_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ struct rcar_du_device; 


#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK	(1 << 0)	/* Per-CRTC IRQ and clock */

#define RCAR_DU_FEATURE_ALIGN_128B	(1 << 1)	/* Align pitches to 128 bytes */

#define RCAR_DU_FEATURE_DEFR8		(1 << 2)	/* Has DEFR8 register */



/*

 * struct rcar_du_device_info - DU model-specific information

drivers/gpu/drm/rcar-du/rcar_du_group.c

+2 −0
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ static void rcar_du_group_setup(struct rcar_du_group *rgrp) 
	rcar_du_group_write(rgrp, DEFR3, DEFR3_CODE | DEFR3_DEFE3);

	rcar_du_group_write(rgrp, DEFR4, DEFR4_CODE);

	rcar_du_group_write(rgrp, DEFR5, DEFR5_CODE | DEFR5_DEFE5);

	if (rcar_du_has(rgrp->dev, RCAR_DU_FEATURE_DEFR8))

		rcar_du_group_write(rgrp, DEFR8, DEFR8_CODE | DEFR8_DEFE8);



	/* Use DS1PR and DS2PR to configure planes priorities and connects the

	 * superposition 0 to DU0 pins. DU1 pins will be configured dynamically.