diff options
| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2022-02-22 00:03:58 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-06-03 23:43:37 +0300 |
| commit | ac2e555e0a7fe571d46f7dcb1529b4bee00095d6 (patch) | |
| tree | dda87ac5bb19ec81e190080dab98990561176fb5 /drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | |
| parent | 4f29f9cf092b2d331ba2081566be3272962b7f96 (diff) | |
| download | linux-ac2e555e0a7fe571d46f7dcb1529b4bee00095d6.tar.xz | |
drm/amd/display: Add DMCUB source files and changes for DCN32/321
DMCUB is the display engine microcontroller which aids in modesetting
and other display related features.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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 | 31 |
1 files changed, 31 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 541376fabbef..11597bca966a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -250,6 +250,37 @@ void dc_dmub_trace_event_control(struct dc *dc, bool enable) dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable); } +void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub) +{ + union dmub_rb_cmd cmd = { 0 }; + enum dmub_status status; + + if (!dmub) { + return; + } + + memset(&cmd, 0, sizeof(cmd)); + + /* Prepare fw command */ + cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS; + cmd.query_feature_caps.header.sub_type = 0; + cmd.query_feature_caps.header.ret_status = 1; + cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data); + + /* Send command to fw */ + status = dmub_srv_cmd_with_reply_data(dmub, &cmd); + + ASSERT(status == DMUB_STATUS_OK); + + /* If command was processed, copy feature caps to dmub srv */ + if (status == DMUB_STATUS_OK && + cmd.query_feature_caps.header.ret_status == 0) { + memcpy(&dmub->feature_caps, + &cmd.query_feature_caps.query_feature_caps_data, + sizeof(struct dmub_feature_caps)); + } +} + bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data) { if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data) |