diff options
| author | Duncan Ma <[email protected]> | 2025-05-02 16:40:48 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-07-15 18:07:52 +0000 |
| commit | a8a21bafa1b964ea566c69152c3299fefcb6c0c5 (patch) | |
| tree | d6288ab1702aa00872eb85954216df33f46de600 /drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | |
| parent | drm/amd/display: Adding missing driver code for IPSv2.0 (diff) | |
| download | kernel-a8a21bafa1b964ea566c69152c3299fefcb6c0c5.tar.gz kernel-a8a21bafa1b964ea566c69152c3299fefcb6c0c5.zip | |
drm/amd/display: Notify DMUB on HW Release
[Why & How]
DMUB shall be notified on driver hardware
release. Implement notification.
Reviewed-by: Duncan Ma <[email protected]>
Signed-off-by: Duncan Ma <[email protected]>
Signed-off-by: Ivan Lipski <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index c10e603b54af..b4525b1fc11b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -2176,3 +2176,20 @@ bool dmub_lsdma_send_poll_reg_write_command(struct dc_dmub_srv *dc_dmub_srv, uin return result; } +void dc_dmub_srv_release_hw(const struct dc *dc) +{ + struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv; + union dmub_rb_cmd cmd = {0}; + + if (!dc_dmub_srv || !dc_dmub_srv->dmub) + return; + + memset(&cmd, 0, sizeof(cmd)); + cmd.idle_opt_notify_idle.header.type = DMUB_CMD__IDLE_OPT; + cmd.idle_opt_notify_idle.header.sub_type = DMUB_CMD__IDLE_OPT_RELEASE_HW; + cmd.idle_opt_notify_idle.header.payload_bytes = + sizeof(cmd.idle_opt_notify_idle) - + sizeof(cmd.idle_opt_notify_idle.header); + + dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); +} |