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drm/amd/display: Fix comparison error in dcn21 DML

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[ Upstream commit ec3102dc6b ]

[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>
This commit is contained in:
Victor Lu 2021-06-24 11:05:42 -04:00 committed by Greg Kroah-Hartman
parent 91865b458e
commit f9d875c8c9
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
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@ -4888,7 +4888,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
} }
} while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true) } while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true)
&& (mode_lib->vba.NextMaxVStartup != mode_lib->vba.MaxMaxVStartup[0][0] && (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) { if (locals->PrefetchSupported[i][j] == true && locals->VRatioInPrefetchSupported[i][j] == true) {
mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0]; mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0];