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drm/amd/display: Remove check for DC_DMCUB_ENABLE on DCN42

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[why]
DCN without DMCUB is not a supported configuration on DCN42.

[how]
Remove the DC_DMCUB_ENABLE fuse register check and remove the
corresponding entries in the DCN42 DMUB register list.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Gabe Teeger <gabe.teeger@amd.com>
Signed-off-by: Matthew Stewart <Matthew.Stewart2@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Signed-off-by: Chuanyu Tseng <chuanyu.tseng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gabe Teeger 2025-12-31 15:19:22 -05:00 committed by Alex Deucher
parent 12fa1fd6df
commit e6d5acad71
2 changed files with 137 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn42.c
View File

@ -321,11 +321,9 @@ void dmub_dcn42_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset)
bool dmub_dcn42_is_supported(struct dmub_srv *dmub)
{
uint32_t supported = 0;
REG_GET(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE, &supported);
return supported;
// DCN without DMUB is not a supported configuration; safe to assume that it is always
// present.
return true;
}
union dmub_fw_boot_options dmub_dcn42_get_fw_boot_option(struct dmub_srv *dmub)

136
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn42.h
View File

@ -34,7 +34,101 @@ struct dmub_srv;
/* DCN42 register definitions. */
#define DMUB_DCN42_REGS() \
DMUB_DCN35_REGS() \
DMUB_SR(DMCUB_CNTL) \
DMUB_SR(DMCUB_CNTL2) \
DMUB_SR(DMCUB_SEC_CNTL) \
DMUB_SR(DMCUB_INBOX0_SIZE) \
DMUB_SR(DMCUB_INBOX0_RPTR) \
DMUB_SR(DMCUB_INBOX0_WPTR) \
DMUB_SR(DMCUB_INBOX1_BASE_ADDRESS) \
DMUB_SR(DMCUB_INBOX1_SIZE) \
DMUB_SR(DMCUB_INBOX1_RPTR) \
DMUB_SR(DMCUB_INBOX1_WPTR) \
DMUB_SR(DMCUB_OUTBOX0_BASE_ADDRESS) \
DMUB_SR(DMCUB_OUTBOX0_SIZE) \
DMUB_SR(DMCUB_OUTBOX0_RPTR) \
DMUB_SR(DMCUB_OUTBOX0_WPTR) \
DMUB_SR(DMCUB_OUTBOX1_BASE_ADDRESS) \
DMUB_SR(DMCUB_OUTBOX1_SIZE) \
DMUB_SR(DMCUB_OUTBOX1_RPTR) \
DMUB_SR(DMCUB_OUTBOX1_WPTR) \
DMUB_SR(DMCUB_REGION3_CW0_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW1_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW2_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW3_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW4_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW5_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW6_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW7_OFFSET) \
DMUB_SR(DMCUB_REGION3_CW0_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW1_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW2_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW3_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW4_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW5_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW6_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW7_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION3_CW0_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW1_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW2_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW3_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW4_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW5_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW6_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW7_BASE_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW0_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW1_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW2_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW3_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW4_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW5_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW6_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION3_CW7_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION4_OFFSET) \
DMUB_SR(DMCUB_REGION4_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION4_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION5_OFFSET) \
DMUB_SR(DMCUB_REGION5_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION5_TOP_ADDRESS) \
DMUB_SR(DMCUB_REGION6_OFFSET) \
DMUB_SR(DMCUB_REGION6_OFFSET_HIGH) \
DMUB_SR(DMCUB_REGION6_TOP_ADDRESS) \
DMUB_SR(DMCUB_SCRATCH0) \
DMUB_SR(DMCUB_SCRATCH1) \
DMUB_SR(DMCUB_SCRATCH2) \
DMUB_SR(DMCUB_SCRATCH3) \
DMUB_SR(DMCUB_SCRATCH4) \
DMUB_SR(DMCUB_SCRATCH5) \
DMUB_SR(DMCUB_SCRATCH6) \
DMUB_SR(DMCUB_SCRATCH7) \
DMUB_SR(DMCUB_SCRATCH8) \
DMUB_SR(DMCUB_SCRATCH9) \
DMUB_SR(DMCUB_SCRATCH10) \
DMUB_SR(DMCUB_SCRATCH11) \
DMUB_SR(DMCUB_SCRATCH12) \
DMUB_SR(DMCUB_SCRATCH13) \
DMUB_SR(DMCUB_SCRATCH14) \
DMUB_SR(DMCUB_SCRATCH15) \
DMUB_SR(DMCUB_SCRATCH16) \
DMUB_SR(DMCUB_SCRATCH17) \
DMUB_SR(DMCUB_SCRATCH18) \
DMUB_SR(DMCUB_SCRATCH19) \
DMUB_SR(DMCUB_SCRATCH20) \
DMUB_SR(DMCUB_SCRATCH21) \
DMUB_SR(DMCUB_GPINT_DATAIN0) \
DMUB_SR(DMCUB_GPINT_DATAIN1) \
DMUB_SR(DMCUB_GPINT_DATAOUT) \
DMUB_SR(MMHUBBUB_SOFT_RESET) \
DMUB_SR(DCN_VM_FB_LOCATION_BASE) \
DMUB_SR(DCN_VM_FB_OFFSET) \
DMUB_SR(DMCUB_TIMER_CURRENT) \
DMUB_SR(DMCUB_INST_FETCH_FAULT_ADDR) \
DMUB_SR(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR) \
DMUB_SR(DMCUB_DATA_WRITE_FAULT_ADDR) \
DMUB_SR(DMCUB_REGION3_TMR_AXI_SPACE) \
DMUB_SR(DMCUB_INTERRUPT_ENABLE) \
DMUB_SR(DMCUB_INTERRUPT_ACK) \
DMUB_SR(DMU_CLK_CNTL) \
DMUB_SR(DMCUB_INTERRUPT_STATUS) \
DMUB_SR(DMCUB_REG_INBOX0_RDY) \
DMUB_SR(DMCUB_REG_INBOX0_MSG0) \
@ -59,7 +153,45 @@ struct dmub_srv;
DMUB_SR(HOST_INTERRUPT_CSR)
#define DMUB_DCN42_FIELDS() \
DMUB_DCN35_FIELDS() \
DMUB_SF(DMCUB_CNTL, DMCUB_ENABLE) \
DMUB_SF(DMCUB_CNTL, DMCUB_TRACEPORT_EN) \
DMUB_SF(DMCUB_CNTL2, DMCUB_SOFT_RESET) \
DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET) \
DMUB_SF(DMCUB_SEC_CNTL, DMCUB_MEM_UNIT_ID) \
DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS) \
DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE) \
DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE) \
DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_ENABLE) \
DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_ENABLE) \
DMUB_SF(DMCUB_REGION6_TOP_ADDRESS, DMCUB_REGION6_TOP_ADDRESS) \
DMUB_SF(DMCUB_REGION6_TOP_ADDRESS, DMCUB_REGION6_ENABLE) \
DMUB_SF(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET) \
DMUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE) \
DMUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET) \
DMUB_SF(DMCUB_INBOX0_WPTR, DMCUB_INBOX0_WPTR) \
DMUB_SF(DMCUB_REGION3_TMR_AXI_SPACE, DMCUB_REGION3_TMR_AXI_SPACE) \
DMUB_SF(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT_IH_INT_EN) \
DMUB_SF(DMCUB_INTERRUPT_ACK, DMCUB_GPINT_IH_INT_ACK) \
DMUB_SF(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS) \
DMUB_SF(DMU_CLK_CNTL, LONO_DISPCLK_GATE_DISABLE) \
DMUB_SF(DMU_CLK_CNTL, LONO_SOCCLK_GATE_DISABLE) \
DMUB_SF(DMU_CLK_CNTL, LONO_DMCUBCLK_GATE_DISABLE) \
DMUB_SF(DMCUB_INTERRUPT_STATUS, DMCUB_REG_OUTBOX0_RSP_INT_STAT) \
DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_ACK) \
DMUB_SF(HOST_INTERRUPT_CSR, HOST_REG_INBOX0_RSP_INT_STAT) \