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authorjsg <jsg@openbsd.org>2020-06-22 10:05:32 +0000
committerjsg <jsg@openbsd.org>2020-06-22 10:05:32 +0000
commit89a24421a16746736edd3067133ca8850964461f (patch)
tree78a02150ad3257ba338997ea07298c70a13b8eee
parentdrm/amd/display: dmcu wait loop calculation is incorrect in RV (diff)
downloadwireguard-openbsd-89a24421a16746736edd3067133ca8850964461f.tar.xz
wireguard-openbsd-89a24421a16746736edd3067133ca8850964461f.zip
drm/amd/display: Do not disable pipe split if mode is not supported
From Sung Lee dbf0a8fce6a9c867c315a400176f9f0e3a963d1e in linux 5.7.y/5.7.5 1dfedb39d38f813357885e19badd1971c17f79a7 in mainline linux
-rw-r--r--sys/dev/pci/drm/amd/display/dc/dcn20/dcn20_resource.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/pci/drm/amd/display/dc/dcn20/dcn20_resource.c b/sys/dev/pci/drm/amd/display/dc/dcn20/dcn20_resource.c
index e4348e3b638..2719cdecc1c 100644
--- a/sys/dev/pci/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/sys/dev/pci/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2597,19 +2597,24 @@ int dcn20_validate_apply_pipe_split_flags(
/* Avoid split loop looks for lowest voltage level that allows most unsplit pipes possible */
if (avoid_split) {
+ int max_mpc_comb = context->bw_ctx.dml.vba.maxMpcComb;
+
for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
if (!context->res_ctx.pipe_ctx[i].stream)
continue;
for (vlevel_split = vlevel; vlevel <= context->bw_ctx.dml.soc.num_states; vlevel++)
- if (context->bw_ctx.dml.vba.NoOfDPP[vlevel][0][pipe_idx] == 1)
+ if (context->bw_ctx.dml.vba.NoOfDPP[vlevel][0][pipe_idx] == 1 &&
+ context->bw_ctx.dml.vba.ModeSupport[vlevel][0])
break;
/* Impossible to not split this pipe */
if (vlevel > context->bw_ctx.dml.soc.num_states)
vlevel = vlevel_split;
+ else
+ max_mpc_comb = 0;
pipe_idx++;
}
- context->bw_ctx.dml.vba.maxMpcComb = 0;
+ context->bw_ctx.dml.vba.maxMpcComb = max_mpc_comb;
}
/* Split loop sets which pipe should be split based on dml outputs and dc flags */