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| author | Victor Lu <victorchengchi.lu@amd.com> | 2021-06-24 11:05:42 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-08 09:06:56 +0200 |
| commit | 9cc57c6cdd24c54c9ac9231097906196b20c48dd (patch) | |
| tree | ad88bce4f814db44d82145604301162fee7974e4 | |
| parent | b3b7be42461057a1b78bf30afb7301ceb9a44d41 (diff) | |
| download | linux-9cc57c6cdd24c54c9ac9231097906196b20c48dd.tar.gz linux-9cc57c6cdd24c54c9ac9231097906196b20c48dd.tar.bz2 linux-9cc57c6cdd24c54c9ac9231097906196b20c48dd.zip | |
drm/amd/display: Fix comparison error in dcn21 DML
[ Upstream commit ec3102dc6b36c692104c4a0546d4119de59a3bc1 ]
[why]
A comparison error made it possible to not iterate through all the
specified prefetch modes.
[how]
Correct "<" to "<="
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Yongqiang Sun <Yongqiang.Sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c index 398210d1af34..f49743929357 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c @@ -4889,7 +4889,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } } while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true) && (mode_lib->vba.NextMaxVStartup != mode_lib->vba.MaxMaxVStartup[0][0] - || mode_lib->vba.NextPrefetchMode < mode_lib->vba.MaxPrefetchMode)); + || mode_lib->vba.NextPrefetchMode <= mode_lib->vba.MaxPrefetchMode)); if (locals->PrefetchSupported[i][j] == true && locals->VRatioInPrefetchSupported[i][j] == true) { mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0]; |