From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[Why]
The conditions for whether we used cached vs non-cached inbox1 depend
on a version check that mismatches what the shared helpers in dmub20
implement.
[How]
Use the dmub_dcn20_use_cached_inbox check for dmub_dcn30 as well.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Acked-by: Anson Jacob <Anson.Jacob@xxxxxxx>
---
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c | 2 +-
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h | 2 ++
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c | 2 +-
3 files changed, 4 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 26716c41786a..8e8e65fa83c0 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
@@ -81,7 +81,7 @@ 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)
+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) &&
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
index d438f365cbb0..a62be9c0652e 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h
@@ -198,4 +198,6 @@ void dmub_dcn20_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip)
union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub);
+bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub);
+
#endif /* _DMUB_DCN20_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
index 7e6f4dbabe45..b4bc0df2f14a 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c
@@ -155,7 +155,7 @@ void dmub_dcn30_setup_windows(struct dmub_srv *dmub,
offset = cw4->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);
--
2.25.1
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