diff options
| author | Wyatt Wood <wyatt.wood@amd.com> | 2020-12-03 22:04:27 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-01-20 16:38:20 -0500 |
| commit | 16ca2d465d0fd327a71d6fac9605c154ee9d8620 (patch) | |
| tree | c3c19c5fa34788864fd75ea12ebc7aab3ab65a86 | |
| parent | 69d5c7f398c3e1b5ee56200d54c69239b3db9da7 (diff) | |
| download | linux-16ca2d465d0fd327a71d6fac9605c154ee9d8620.tar.bz2 | |
drm/amd/display: Allow dmu_stg to support cached inbox for dmub
[Why]
FW version check doesn't allow dmu_stg to support cached inbox,
which yields much better performance than region 4.
[How]
Check a range of fw versions, rather than a simple greater than check.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <anson.jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c | 11 |
1 files changed, 9 insertions, 2 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 cafba1d23c6a..26716c41786a 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -81,6 +81,13 @@ static inline void dmub_dcn20_translate_addr(const union dmub_addr *addr_in, addr_out->quad_part = addr_in->quad_part - fb_base + fb_offset; } +static inline bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub) +{ + /* Cached inbox is not supported in this fw version range */ + return !(dmub->fw_version >= DMUB_FW_VERSION(1, 0, 0) && + dmub->fw_version <= DMUB_FW_VERSION(1, 10, 0)); +} + void dmub_dcn20_reset(struct dmub_srv *dmub) { union dmub_gpint_data_register cmd; @@ -216,7 +223,7 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub, dmub_dcn20_translate_addr(&cw4->offset, fb_base, fb_offset, &offset); /* New firmware can support CW4. */ - if (dmub->fw_version > DMUB_FW_VERSION(1, 0, 10)) { + if (dmub_dcn20_use_cached_inbox(dmub)) { REG_WRITE(DMCUB_REGION3_CW4_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW4_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW4_BASE_ADDRESS, cw4->region.base); @@ -255,7 +262,7 @@ void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub, const struct dmub_region *inbox1) { /* New firmware can support CW4 for the inbox. */ - if (dmub->fw_version > DMUB_FW_VERSION(1, 0, 10)) + if (dmub_dcn20_use_cached_inbox(dmub)) REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, inbox1->base); else REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, 0x80000000); |