Commit 3446d7e9 authored by Qiang Yu's avatar Qiang Yu
Browse files

drm/lima: add resume/suspend callback for each ip 



For called when PM do resume/suspend.

Tested-by: default avatarBhushan Shah <bshah@kde.org>
Reviewed-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarQiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-8-yuq825@gmail.com
parent 9f5072a1

drivers/gpu/drm/lima/lima_bcast.c

+20 −5
Original line number Diff line number Diff line
@@ -26,18 +26,33 @@ void lima_bcast_enable(struct lima_device *dev, int num_pp) 
	bcast_write(LIMA_BCAST_BROADCAST_MASK, mask);

}



static int lima_bcast_hw_init(struct lima_ip *ip)

{

	bcast_write(LIMA_BCAST_BROADCAST_MASK, ip->data.mask << 16);

	bcast_write(LIMA_BCAST_INTERRUPT_MASK, ip->data.mask);

	return 0;

}



int lima_bcast_resume(struct lima_ip *ip)

{

	return lima_bcast_hw_init(ip);

}



void lima_bcast_suspend(struct lima_ip *ip)

{



}



int lima_bcast_init(struct lima_ip *ip)

{

	int i, mask = 0;

	int i;



	for (i = lima_ip_pp0; i <= lima_ip_pp7; i++) {

		if (ip->dev->ip[i].present)

			mask |= 1 << (i - lima_ip_pp0);

			ip->data.mask |= 1 << (i - lima_ip_pp0);

	}



	bcast_write(LIMA_BCAST_BROADCAST_MASK, mask << 16);

	bcast_write(LIMA_BCAST_INTERRUPT_MASK, mask);

	return 0;

	return lima_bcast_hw_init(ip);

}



void lima_bcast_fini(struct lima_ip *ip)

drivers/gpu/drm/lima/lima_bcast.h

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,8 @@ 


struct lima_ip;



int lima_bcast_resume(struct lima_ip *ip);

void lima_bcast_suspend(struct lima_ip *ip);

int lima_bcast_init(struct lima_ip *ip);

void lima_bcast_fini(struct lima_ip *ip);

drivers/gpu/drm/lima/lima_device.c

+4 −0
Original line number Diff line number Diff line
@@ -25,6 +25,8 @@ struct lima_ip_desc { 


	int (*init)(struct lima_ip *ip);

	void (*fini)(struct lima_ip *ip);

	int (*resume)(struct lima_ip *ip);

	void (*suspend)(struct lima_ip *ip);

};



#define LIMA_IP_DESC(ipname, mst0, mst1, off0, off1, func, irq) \
@@ -41,6 +43,8 @@ struct lima_ip_desc { 
		}, \

		.init = lima_##func##_init, \

		.fini = lima_##func##_fini, \

		.resume = lima_##func##_resume, \

		.suspend = lima_##func##_suspend, \

	}



static struct lima_ip_desc lima_ip_desc[lima_ip_num] = {

drivers/gpu/drm/lima/lima_device.h

+1 −1
Original line number Diff line number Diff line
@@ -64,7 +64,7 @@ struct lima_ip { 
		bool async_reset;

		/* l2 cache */

		spinlock_t lock;

		/* pmu */

		/* pmu/bcast */

		u32 mask;

	} data;

};

drivers/gpu/drm/lima/lima_dlbu.c

+16 −1
Original line number Diff line number Diff line
@@ -42,7 +42,7 @@ void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg) 
	dlbu_write(LIMA_DLBU_START_TILE_POS, reg[3]);

}



int lima_dlbu_init(struct lima_ip *ip)

static int lima_dlbu_hw_init(struct lima_ip *ip)

{

	struct lima_device *dev = ip->dev;
@@ -52,6 +52,21 @@ int lima_dlbu_init(struct lima_ip *ip) 
	return 0;

}



int lima_dlbu_resume(struct lima_ip *ip)

{

	return lima_dlbu_hw_init(ip);

}



void lima_dlbu_suspend(struct lima_ip *ip)

{



}



int lima_dlbu_init(struct lima_ip *ip)

{

	return lima_dlbu_hw_init(ip);

}



void lima_dlbu_fini(struct lima_ip *ip)

{

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