diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-02-06 09:25:56 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-02-06 09:25:56 -0300 |
| commit | ab809efaeba0cca20cfcda23852b0ee958f6ea69 (patch) | |
| tree | 36b168deb9908cba8605bb8fa026bdacc26560db /drivers/gpu/drm/amd/display/dmub/src | |
| parent | 17f248aa8664ff5b3643491136283e73b5c18166 (diff) | |
| parent | d2d11f342b179f1894a901f143ec7c008caba43e (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To sync with libbpf, etc.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 4a122925c3ae..92c18bfb98b3 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -532,6 +532,9 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, if (dmub->hw_funcs.reset) dmub->hw_funcs.reset(dmub); + /* reset the cache of the last wptr as well now that hw is reset */ + dmub->inbox1_last_wptr = 0; + cw0.offset.quad_part = inst_fb->gpu_addr; cw0.region.base = DMUB_CW0_BASE; cw0.region.top = cw0.region.base + inst_fb->size - 1; @@ -649,6 +652,15 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub) if (dmub->hw_funcs.reset) dmub->hw_funcs.reset(dmub); + /* mailboxes have been reset in hw, so reset the sw state as well */ + dmub->inbox1_last_wptr = 0; + dmub->inbox1_rb.wrpt = 0; + dmub->inbox1_rb.rptr = 0; + dmub->outbox0_rb.wrpt = 0; + dmub->outbox0_rb.rptr = 0; + dmub->outbox1_rb.wrpt = 0; + dmub->outbox1_rb.rptr = 0; + dmub->hw_init = false; return DMUB_STATUS_OK; |