diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c index 27c7fa3110c8..fc667cb17eb0 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c @@ -38,7 +38,10 @@ const struct dmub_srv_dcn31_regs dmub_srv_dcn31_regs = { #define DMUB_SR(reg) REG_OFFSET_EXP(reg), - { DMUB_DCN31_REGS() }, + { + DMUB_DCN31_REGS() + DMCUB_INTERNAL_REGS() + }, #undef DMUB_SR #define DMUB_SF(reg, field) FD_MASK(reg, field), @@ -80,7 +83,7 @@ static inline void dmub_dcn31_translate_addr(const union dmub_addr *addr_in, void dmub_dcn31_reset(struct dmub_srv *dmub) { union dmub_gpint_data_register cmd; - const uint32_t timeout = 30; + const uint32_t timeout = 100; uint32_t in_reset, scratch, i; REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &in_reset); @@ -95,26 +98,22 @@ void dmub_dcn31_reset(struct dmub_srv *dmub) /** * Timeout covers both the ACK and the wait * for remaining work to finish. - * - * This is mostly bound by the PHY disable sequence. - * Each register check will be greater than 1us, so - * don't bother using udelay. */ for (i = 0; i < timeout; ++i) { if (dmub->hw_funcs.is_gpint_acked(dmub, cmd)) break; + + udelay(1); } for (i = 0; i < timeout; ++i) { scratch = dmub->hw_funcs.get_gpint_response(dmub); if (scratch == DMUB_GPINT__STOP_FW_RESPONSE) break; - } - /* Clear the GPINT command manually so we don't reset again. */ - cmd.all = 0; - dmub->hw_funcs.set_gpint(dmub, cmd); + udelay(1); + } /* Force reset in case we timed out, DMCUB is likely hung. */ } @@ -127,6 +126,10 @@ void dmub_dcn31_reset(struct dmub_srv *dmub) REG_WRITE(DMCUB_OUTBOX1_RPTR, 0); REG_WRITE(DMCUB_OUTBOX1_WPTR, 0); REG_WRITE(DMCUB_SCRATCH0, 0); + + /* Clear the GPINT command manually so we don't send anything during boot. */ + cmd.all = 0; + dmub->hw_funcs.set_gpint(dmub, cmd); } void dmub_dcn31_reset_release(struct dmub_srv *dmub) @@ -307,6 +310,21 @@ uint32_t dmub_dcn31_get_gpint_response(struct dmub_srv *dmub) return REG_READ(DMCUB_SCRATCH7); } +uint32_t dmub_dcn31_get_gpint_dataout(struct dmub_srv *dmub) +{ + uint32_t dataout = REG_READ(DMCUB_GPINT_DATAOUT); + + REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 0); + + REG_WRITE(DMCUB_GPINT_DATAOUT, 0); + REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 1); + REG_UPDATE(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK, 0); + + REG_UPDATE(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN, 1); + + return dataout; +} + union dmub_fw_boot_status dmub_dcn31_get_fw_boot_status(struct dmub_srv *dmub) { union dmub_fw_boot_status status; |