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 | 25 |
1 files changed, 21 insertions, 4 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 cd51c6138894..b2ca8e0dbac9 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -54,6 +54,19 @@ const struct dmub_srv_common_regs dmub_srv_dcn20_regs = { /* Shared functions. */ +static void dmub_dcn20_get_fb_base_offset(struct dmub_srv *dmub, + uint64_t *fb_base, + uint64_t *fb_offset) +{ + uint32_t tmp; + + REG_GET(DCN_VM_FB_LOCATION_BASE, FB_BASE, &tmp); + *fb_base = (uint64_t)tmp << 24; + + REG_GET(DCN_VM_FB_OFFSET, FB_OFFSET, &tmp); + *fb_offset = (uint64_t)tmp << 24; +} + static inline void dmub_dcn20_translate_addr(const union dmub_addr *addr_in, uint64_t fb_base, uint64_t fb_offset, @@ -67,6 +80,8 @@ void dmub_dcn20_reset(struct dmub_srv *dmub) REG_UPDATE(DMCUB_CNTL, DMCUB_SOFT_RESET, 1); REG_UPDATE(DMCUB_CNTL, DMCUB_ENABLE, 0); REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 1); + REG_WRITE(DMCUB_INBOX1_RPTR, 0); + REG_WRITE(DMCUB_INBOX1_WPTR, 0); } void dmub_dcn20_reset_release(struct dmub_srv *dmub) @@ -82,7 +97,9 @@ void dmub_dcn20_backdoor_load(struct dmub_srv *dmub, const struct dmub_window *cw1) { union dmub_addr offset; - uint64_t fb_base = dmub->fb_base, fb_offset = dmub->fb_offset; + uint64_t fb_base, fb_offset; + + dmub_dcn20_get_fb_base_offset(dmub, &fb_base, &fb_offset); REG_UPDATE(DMCUB_SEC_CNTL, DMCUB_SEC_RESET, 1); REG_UPDATE_2(DMCUB_MEM_CNTL, DMCUB_MEM_READ_SPACE, 0x3, @@ -118,7 +135,9 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub, const struct dmub_window *cw6) { union dmub_addr offset; - uint64_t fb_base = dmub->fb_base, fb_offset = dmub->fb_offset; + uint64_t fb_base, fb_offset; + + dmub_dcn20_get_fb_base_offset(dmub, &fb_base, &fb_offset); dmub_dcn20_translate_addr(&cw2->offset, fb_base, fb_offset, &offset); @@ -173,8 +192,6 @@ void dmub_dcn20_setup_mailbox(struct dmub_srv *dmub, REG_WRITE(DMCUB_INBOX1_BASE_ADDRESS, 0x80000000); REG_WRITE(DMCUB_INBOX1_SIZE, inbox1->top - inbox1->base); - REG_WRITE(DMCUB_INBOX1_RPTR, 0); - REG_WRITE(DMCUB_INBOX1_WPTR, 0); } uint32_t dmub_dcn20_get_inbox1_rptr(struct dmub_srv *dmub) |