diff options
| author | Erico Nunes <nunes.erico@gmail.com> | 2024-04-05 18:29:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-27 14:52:15 +0300 |
| commit | 4180af73c269f7d59a96cce83c7abf12fdbefd5e (patch) | |
| tree | f25b37fa5e5253380146180850f982704005e66d /drivers/gpu/drm/lima/lima_bcast.c | |
| parent | ab03713c750a4619c2e3a1fa82f8e7fe8de4b927 (diff) | |
| download | linux-4180af73c269f7d59a96cce83c7abf12fdbefd5e.tar.xz | |
drm/lima: add mask irq callback to gp and pp
[ Upstream commit 49c13b4d2dd4a831225746e758893673f6ae961c ]
This is needed because we want to reset those devices in device-agnostic
code such as lima_sched.
In particular, masking irqs will be useful before a hard reset to
prevent race conditions.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405152951.1531555-2-nunes.erico@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/lima/lima_bcast.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_bcast.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c index fbc43f243c54..6d000504e1a4 100644 --- a/drivers/gpu/drm/lima/lima_bcast.c +++ b/drivers/gpu/drm/lima/lima_bcast.c @@ -43,6 +43,18 @@ void lima_bcast_suspend(struct lima_ip *ip) } +int lima_bcast_mask_irq(struct lima_ip *ip) +{ + bcast_write(LIMA_BCAST_BROADCAST_MASK, 0); + bcast_write(LIMA_BCAST_INTERRUPT_MASK, 0); + return 0; +} + +int lima_bcast_reset(struct lima_ip *ip) +{ + return lima_bcast_hw_init(ip); +} + int lima_bcast_init(struct lima_ip *ip) { int i; |