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| author | Mario Limonciello <mario.limonciello@amd.com> | 2023-06-23 10:05:20 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 13:11:36 -0400 |
| commit | c35b6ea8f2ecfa9d775530b70d4e727869099a9c (patch) | |
| tree | b1bd057107d9e7d2a76b0540fdebff5c848fa838 /drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | |
| parent | 274d205cb59f43815542e04b42a9e6d0b9b95eff (diff) | |
| download | linux-c35b6ea8f2ecfa9d775530b70d4e727869099a9c.tar.gz linux-c35b6ea8f2ecfa9d775530b70d4e727869099a9c.tar.bz2 linux-c35b6ea8f2ecfa9d775530b70d4e727869099a9c.zip | |
drm/amd/display: Set minimum requirement for using PSR-SU on Rembrandt
A number of parade TCONs are causing system hangs when utilized with
older DMUB firmware and PSR-SU. Some changes have been introduced into
DMUB firmware to add resilience against these failures.
Don't allow running PSR-SU unless on the newer firmware.
Cc: stable@vger.kernel.org
Cc: Sean Wang <sean.ns.wang@amd.com>
Cc: Marc Rossi <Marc.Rossi@amd.com>
Cc: Hamza Mahfooz <Hamza.Mahfooz@amd.com>
Cc: Tsung-hua (Ryan) Lin <Tsung-hua.Lin@amd.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2443
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Leo Li <sunpeng.li@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 | 7 |
1 files changed, 7 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 c52c40b16387..c753c6f30dd7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -1011,3 +1011,10 @@ void dc_send_update_cursor_info_to_dmu( dm_execute_dmub_cmd_list(pCtx->stream->ctx, 2, cmd, DM_DMUB_WAIT_TYPE_WAIT); } } + +bool dc_dmub_check_min_version(struct dmub_srv *srv) +{ + if (!srv->hw_funcs.is_psrsu_supported) + return true; + return srv->hw_funcs.is_psrsu_supported(srv); +} |