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path: root/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
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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.c11
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..8e8e65fa83c0 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
@@ -81,6 +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;
}
+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);