diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c index 071331bcc427..6934906c665e 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -319,6 +319,24 @@ void dmub_dcn20_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset) REG_WRITE(DMCUB_OUTBOX1_RPTR, rptr_offset); } +void dmub_dcn20_setup_outbox0(struct dmub_srv *dmub, + const struct dmub_region *outbox0) +{ + REG_WRITE(DMCUB_OUTBOX0_BASE_ADDRESS, outbox0->base); + + REG_WRITE(DMCUB_OUTBOX0_SIZE, outbox0->top - outbox0->base); +} + +uint32_t dmub_dcn20_get_outbox0_wptr(struct dmub_srv *dmub) +{ + return REG_READ(DMCUB_OUTBOX0_WPTR); +} + +void dmub_dcn20_set_outbox0_rptr(struct dmub_srv *dmub, uint32_t rptr_offset) +{ + REG_WRITE(DMCUB_OUTBOX0_RPTR, rptr_offset); +} + bool dmub_dcn20_is_hw_init(struct dmub_srv *dmub) { uint32_t is_hw_init; |