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| author | Dillon Varone <Dillon.Varone@amd.com> | 2022-11-03 18:33:38 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-15 13:21:30 -0500 |
| commit | 246e667079e8d0fc85f842bceca8c5a3c5da5905 (patch) | |
| tree | 5ee91c612c15517ce56d174ee3d0eb76c0b7f753 /drivers | |
| parent | e7e4f77c991c9abf90924929a9d55f90b0bb78de (diff) | |
| download | linux-246e667079e8d0fc85f842bceca8c5a3c5da5905.tar.bz2 | |
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 <Jun.Lei@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
Diffstat (limited to 'drivers')
| -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 |