diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index 836864a5a5dc..6ac6faf0c533 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -47,6 +47,7 @@ #include "dce/dmub_outbox.h" #include "dc_link_dp.h" #include "inc/link_dpcd.h" +#include "dcn10/dcn10_hw_sequencer.h" #define DC_LOGGER_INIT(logger) @@ -594,3 +595,20 @@ bool dcn31_is_abm_supported(struct dc *dc, } return false; } + +static void apply_riommu_invalidation_wa(struct dc *dc) +{ + struct dce_hwseq *hws = dc->hwseq; + + if (!hws->wa.early_riommu_invalidation) + return; + + REG_UPDATE(DCHUBBUB_ARB_HOSTVM_CNTL, DISABLE_HOSTVM_FORCE_ALLOW_PSTATE, 0); +} + +void dcn31_init_pipes(struct dc *dc, struct dc_state *context) +{ + dcn10_init_pipes(dc, context); + apply_riommu_invalidation_wa(dc); + +} |