diff options
| author | Sung Lee <sung.lee@amd.com> | 2020-11-02 23:38:04 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-16 20:18:50 +0300 |
| commit | 157cc88505f11bf3aa3952223cccf174067816da (patch) | |
| tree | fef5f1733edb6537c58060ab29f990c98fb079e4 | |
| parent | 82df77ae4639af747adb223fb4678e3493e4a8b8 (diff) | |
| download | linux-157cc88505f11bf3aa3952223cccf174067816da.tar.xz | |
drm/amd/display: Handle Unknown Result for SMU Periodic Retraining on DCN2.1
[WHY & HOW]
Currently if VBIOSSMC_Result_UnknownCmd is returned as result of smu msg
there is no way to know. Put 1 in param so if 1 is returned, this unknown case is handled.
Signed-off-by: Sung Lee <sung.lee@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c index ab2b9c61e565..11a7b583d561 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c @@ -247,5 +247,6 @@ int rn_vbios_smu_is_periodic_retraining_disabled(struct clk_mgr_internal *clk_mg return rn_vbios_smu_send_msg_with_param( clk_mgr, VBIOSSMC_MSG_IsPeriodicRetrainingDisabled, - 0); + 1); // if PMFW doesn't support this message, assume retraining is disabled + // so we only use most optimal watermark if we know retraining is enabled. } |