From: Victor Lu <[email protected]>

[ 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 <[email protected]>
Reviewed-by: Yongqiang Sun <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Victor Lu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 367c82b5ab4c..c09bca335068 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
@@ -4888,7 +4888,7 @@ 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];
-- 
2.30.2

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