diff options
| author | Dillon Varone <[email protected]> | 2022-11-03 18:33:38 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-11-15 13:21:30 -0500 |
| commit | 246e667079e8d0fc85f842bceca8c5a3c5da5905 (patch) | |
| tree | 5ee91c612c15517ce56d174ee3d0eb76c0b7f753 | |
| parent | e7e4f77c991c9abf90924929a9d55f90b0bb78de (diff) | |
drm/amd/display: Fix prefetch calculations for dcn32
[Description]
Prefetch calculation loop was not exiting until utilizing all of vstartup if it
failed once. Locals need to be reset on each iteration of the loop.
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Tom Chung <[email protected]>
Signed-off-by: Dillon Varone <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected] # 6.0.x
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c index 244fd15d24b4..9afd9ba23fb2 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c @@ -718,6 +718,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman do { MaxTotalRDBandwidth = 0; + DestinationLineTimesForPrefetchLessThan2 = false; + VRatioPrefetchMoreThanMax = false; #ifdef __DML_VBA_DEBUG__ dml_print("DML::%s: Start loop: VStartup = %d\n", __func__, mode_lib->vba.VStartupLines); #endif |