diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c index 3de65a9f0e6f..1ea95f8d4cbc 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c @@ -183,6 +183,12 @@ void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx) struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu; + // make a short term w/a for an issue that backlight ramping unexpectedly paused in the middle, + // will decouple backlight from ABM and redefine DMUB interface, then this w/a could be removed + if (pipe_ctx->stream->abm_level == 0 || pipe_ctx->stream->abm_level == ABM_LEVEL_IMMEDIATE_DISABLE) { + return; + } + if (dmcu) { dce110_set_abm_immediate_disable(pipe_ctx); return; |