From 3446d7e9883d70882568b0f7b6549835d51a8bc7 Mon Sep 17 00:00:00 2001 From: Qiang Yu Date: Tue, 21 Apr 2020 21:35:48 +0800 Subject: drm/lima: add resume/suspend callback for each ip For called when PM do resume/suspend. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-8-yuq825@gmail.com --- drivers/gpu/drm/lima/lima_bcast.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/lima/lima_bcast.c') diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c index 288398027bfa..fbc43f243c54 100644 --- a/drivers/gpu/drm/lima/lima_bcast.c +++ b/drivers/gpu/drm/lima/lima_bcast.c @@ -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) -- cgit v1.2.3