diff options
| author | Qiang Yu <[email protected]> | 2020-04-21 13:35:48 +0000 |
|---|---|---|
| committer | Qiang Yu <[email protected]> | 2020-04-24 12:51:10 +0000 |
| commit | 3446d7e9883d70882568b0f7b6549835d51a8bc7 (patch) | |
| tree | bac87841e0e25d9ce56d4f8b5330d25f708c7f46 /drivers/gpu/drm/lima/lima_l2_cache.c | |
| parent | drm/lima: power down ip blocks when pmu exit (diff) | |
| download | kernel-3446d7e9883d70882568b0f7b6549835d51a8bc7.tar.gz kernel-3446d7e9883d70882568b0f7b6549835d51a8bc7.zip | |
drm/lima: add resume/suspend callback for each ip
For called when PM do resume/suspend.
Tested-by: Bhushan Shah <[email protected]>
Reviewed-by: Vasily Khoruzhick <[email protected]>
Signed-off-by: Qiang Yu <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/gpu/drm/lima/lima_l2_cache.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_l2_cache.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/drivers/gpu/drm/lima/lima_l2_cache.c b/drivers/gpu/drm/lima/lima_l2_cache.c index 6873a7af5a5c..c4080a02957b 100644 --- a/drivers/gpu/drm/lima/lima_l2_cache.c +++ b/drivers/gpu/drm/lima/lima_l2_cache.c @@ -38,9 +38,35 @@ int lima_l2_cache_flush(struct lima_ip *ip) return ret; } +static int lima_l2_cache_hw_init(struct lima_ip *ip) +{ + int err; + + err = lima_l2_cache_flush(ip); + if (err) + return err; + + l2_cache_write(LIMA_L2_CACHE_ENABLE, + LIMA_L2_CACHE_ENABLE_ACCESS | + LIMA_L2_CACHE_ENABLE_READ_ALLOCATE); + l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c); + + return 0; +} + +int lima_l2_cache_resume(struct lima_ip *ip) +{ + return lima_l2_cache_hw_init(ip); +} + +void lima_l2_cache_suspend(struct lima_ip *ip) +{ + +} + int lima_l2_cache_init(struct lima_ip *ip) { - int i, err; + int i; u32 size; struct lima_device *dev = ip->dev; @@ -63,15 +89,7 @@ int lima_l2_cache_init(struct lima_ip *ip) 1 << (size & 0xff), 1 << ((size >> 24) & 0xff)); - err = lima_l2_cache_flush(ip); - if (err) - return err; - - l2_cache_write(LIMA_L2_CACHE_ENABLE, - LIMA_L2_CACHE_ENABLE_ACCESS|LIMA_L2_CACHE_ENABLE_READ_ALLOCATE); - l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c); - - return 0; + return lima_l2_cache_hw_init(ip); } void lima_l2_cache_fini(struct lima_ip *ip) |