diff options
| author | Chiawen Huang <chiawen.huang@amd.com> | 2022-03-09 19:07:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-20 10:34:14 +0300 |
| commit | 92951699a5f11043b9d1402ea21787f420b36094 (patch) | |
| tree | bff672e090974b93424624969d1c51295b91e54c /drivers/gpu | |
| parent | b054e8183fbdec15955311956df8a9ce47e0ab6d (diff) | |
| download | linux-92951699a5f11043b9d1402ea21787f420b36094.tar.xz | |
drm/amd/display: FEC check in timing validation
[ Upstream commit 7d56a154e22ffb3613fdebf83ec34d5225a22993 ]
[Why]
disable/enable leads FEC mismatch between hw/sw FEC state.
[How]
check FEC status to fastboot on/off.
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chiawen Huang <chiawen.huang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index b37c4d2e7a1e..35a27fe48f66 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1377,6 +1377,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc, if (!link->link_enc->funcs->is_dig_enabled(link->link_enc)) return false; + /* Check for FEC status*/ + if (link->link_enc->funcs->fec_is_active(link->link_enc)) + return false; + enc_inst = link->link_enc->funcs->get_dig_frontend(link->link_enc); if (enc_inst == ENGINE_ID_UNKNOWN) |