From: Ville Syrjälä Date: Tue, 24 Jun 2025 17:00:43 +0000 (+0300) Subject: drm/i915/dmc: Define flip queue related PIPEDMC registers X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=141b954cae36d7bcd84df494341b914bb80a299f;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dmc: Define flip queue related PIPEDMC registers Add the register definitions for a bunch of flip queue related PIPEDMC registers. v2: The layout of flip queue entries changed on PTL Bump the DMC_FQ_W2_PTS_CFG_SEL bitfields sizes (Uma) Reduce the scanlines to 21 bits for now (Uma) v3: Also define some undocumented DMC variables we need on PTL v3: Drop PIPEDMC_FQ_CTRL_BUSY as it seems to no longer exist on LNL+ Fix up some typos Reviewed-by: Uma Shankar Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250624170049.27284-4-ville.syrjala@linux.intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dmc_regs.h b/drivers/gpu/drm/i915/display/intel_dmc_regs.h index 6f406315dd659..c5aa49921cb9f 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_regs.h +++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h @@ -287,6 +287,17 @@ enum pipedmc_event_id { #define MTL_PIPEDMC_CONTROL _MMIO(0x45250) #define PIPEDMC_ENABLE_MTL(pipe) REG_BIT(((pipe) - PIPE_A) * 4) +#define _PIPEDMC_LOAD_HTP_A 0x5f000 +#define _PIPEDMC_LOAD_HTP_B 0x5f400 +#define PIPEDMC_LOAD_HTP(pipe) _MMIO_PIPE((pipe), _PIPEDMC_LOAD_HTP_A, _PIPEDMC_LOAD_HTP_B) + +#define _PIPEDMC_CTL_A 0x5f064 +#define _PIPEDMC_CTL_B 0x5f464 +#define PIPEDMC_CTL(pipe) _MMIO_PIPE((pipe), _PIPEDMC_CTL_A, _PIPEDMC_CTL_B) +#define PIPEDMC_HALT REG_BIT(31) +#define PIPEDMC_STEP REG_BIT(27) +#define PIPEDMC_CLOCKGATE REG_BIT(23) + #define _PIPEDMC_STATUS_A 0x5f06c #define _PIPEDMC_STATUS_B 0x5f46c #define PIPEDMC_STATUS(pipe) _MMIO_PIPE((pipe), _PIPEDMC_STATUS_A, _PIPEDMC_STATUS_B) @@ -298,6 +309,138 @@ enum pipedmc_event_id { #define PIPEDMC_INT_VECTOR_FLIPQ_PROG_DONE REG_FIELD_PREP(PIPEDMC_INT_VECTOR_MASK, 0xff) /* Wa_16018781658:lnl[a0] */ #define PIPEDMC_EVT_PENDING REG_GENMASK(7, 0) +#define _PIPEDMC_FQ_CTRL_A 0x5f078 +#define _PIPEDMC_FQ_CTRL_B 0x5f478 +#define PIPEDMC_FQ_CTRL(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FQ_CTRL_A, _PIPEDMC_FQ_CTRL_B) +#define PIPEDMC_FQ_CTRL_ENABLE REG_BIT(31) +#define PIPEDMC_FQ_CTRL_ASYNC REG_BIT(29) +#define PIPEDMC_FQ_CTRL_PREEMPT REG_BIT(0) + +#define _PIPEDMC_FQ_STATUS_A 0x5f098 +#define _PIPEDMC_FQ_STATUS_B 0x5f498 +#define PIPEDMC_FQ_STATUS(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FQ_STATUS_A, _PIPEDMC_FQ_STATUS_B) +#define PIPEDMC_FQ_STATUS_BUSY REG_BIT(31) +#define PIPEDMC_FQ_STATUS_W2_LIVE_STATUS REG_BIT(1) +#define PIPEDMC_FQ_STATUS_W1_LIVE_STATUS REG_BIT(0) + +#define _PIPEDMC_FPQ_ATOMIC_TP_A 0x5f0a0 +#define _PIPEDMC_FPQ_ATOMIC_TP_B 0x5f4a0 +#define PIPEDMC_FPQ_ATOMIC_TP(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FPQ_ATOMIC_TP_A, _PIPEDMC_FPQ_ATOMIC_TP_B) +#define PIPEDMC_FPQ_PLANEQ_3_TP_MASK REG_GENMASK(31, 26) +#define PIPEDMC_FPQ_PLANEQ_3_TP(tail) REG_FIELD_PREP(PIPEDMC_FPQ_PLANEQ_3_TP_MASK, (tail)) +#define PIPEDMC_FPQ_PLANEQ_2_TP_MASK REG_GENMASK(24, 19) +#define PIPEDMC_FPQ_PLANEQ_2_TP(tail) REG_FIELD_PREP(PIPEDMC_FPQ_PLANEQ_2_TP_MASK, (tail)) +#define PIPEDMC_FPQ_PLANEQ_1_TP_MASK REG_GENMASK(17, 12) +#define PIPEDMC_FPQ_PLANEQ_1_TP(tail) REG_FIELD_PREP(PIPEDMC_FPQ_PLANEQ_1_TP_MASK, (tail)) +#define PIPEDMC_FPQ_FASTQ_TP_MASK REG_GENMASK(10, 6) +#define PIPEDMC_FPQ_FASTQ_TP(tail) REG_FIELD_PREP(PIPEDMC_FPQ_FASTQ_TP_MASK, (tail)) +#define PIPEDMC_FPQ_GENERALQ_TP_MASK REG_GENMASK(4, 0) +#define PIPEDMC_FPQ_GENERALQ_TP(tail) REG_FIELD_PREP(PIPEDMC_FPQ_GENERALQ_TP_MASK, (tail)) + +#define _PIPEDMC_FPQ_LINES_TO_W1_A 0x5f0a4 +#define _PIPEDMC_FPQ_LINES_TO_W1_B 0x5f4a4 +#define PIPEDMC_FPQ_LINES_TO_W1 _MMIO_PIPE((pipe), _PIPEDMC_FPQ_LINES_TO_W1_A, _PIPEDMC_FPQ_LINES_TO_W1_B) + +#define _PIPEDMC_FPQ_LINES_TO_W2_A 0x5f0a8 +#define _PIPEDMC_FPQ_LINES_TO_W2_B 0x5f4a8 +#define PIPEDMC_FPQ_LINES_TO_W2 _MMIO_PIPE((pipe), _PIPEDMC_FPQ_LINES_TO_W2_A, _PIPEDMC_FPQ_LINES_TO_W2_B) + +#define _PIPEDMC_SCANLINECMP_A 0x5f11c +#define _PIPEDMC_SCANLINECMP_B 0x5f51c +#define PIPEDMC_SCANLINECMP(pipe) _MMIO_PIPE((pipe), _PIPEDMC_SCANLINECMP_A, _PIPEDMC_SCANLINECMP_B) +#define PIPEDMC_SCANLINECMP_EN REG_BIT(31) +#define PIPEDMC_SCANLINE_NUMBER REG_GENMASK(20, 0) + +#define _PIPEDMC_SCANLINECMPLOWER_A 0x5f120 +#define _PIPEDMC_SCANLINECMPLOWER_B 0x5f520 +#define PIPEDMC_SCANLINECMPLOWER(pipe) _MMIO_PIPE((pipe), _PIPEDMC_SCANLINECMPLOWER_A, _PIPEDMC_SCANLINECMPLOWER_B) +#define PIPEDMC_SCANLINEINRANGECMP_EN REG_BIT(31) +#define PIPEDMC_SCANLINEOUTRANGECMP_EN REG_BIT(30) +#define PIPEDMC_SCANLINE_LOWER_MASK REG_GENMASK(20, 0) +#define PIPEDMC_SCANLINE_LOWER(scanline) REG_FIELD_PREP(PIPEDMC_SCANLINE_LOWER_MASK, (scanline)) + +#define _PIPEDMC_SCANLINECMPUPPER_A 0x5f124 +#define _PIPEDMC_SCANLINECMPUPPER_B 0x5f524 +#define PIPEDMC_SCANLINECMPUPPER(pipe) _MMIO_PIPE((pipe), _PIPEDMC_SCANLINECMPUPPER_A, _PIPEDMC_SCANLINECMPUPPER_B) +#define PIPEDMC_SCANLINE_UPPER_MASK REG_GENMASK(20, 0) +#define PIPEDMC_SCANLINE_UPPER(scanline) REG_FIELD_PREP(PIPEDMC_SCANLINE_UPPER_MASK, (scanline)) + +#define _MMIO_PIPEDMC_FPQ(pipe, fq_id, \ + reg_fpq1_a, reg_fpq2_a, reg_fpq3_a, reg_fpq4_a, \ + reg_fpq1_b, reg_fpq2_b, reg_fpq3_b, reg_fpq4_b) \ + _MMIO(_PICK_EVEN_2RANGES((fq_id), INTEL_FLIPQ_PLANE_3, \ + _PIPE((pipe), (reg_fpq1_a), (reg_fpq1_b)), \ + _PIPE((pipe), (reg_fpq2_a), (reg_fpq2_b)), \ + _PIPE((pipe), (reg_fpq3_a), (reg_fpq3_b)), \ + _PIPE((pipe), (reg_fpq4_a), (reg_fpq4_b)))) + +#define _PIPEDMC_FPQ1_HP_A 0x5f128 +#define _PIPEDMC_FPQ2_HP_A 0x5f138 +#define _PIPEDMC_FPQ3_HP_A 0x5f168 +#define _PIPEDMC_FPQ4_HP_A 0x5f174 +#define _PIPEDMC_FPQ5_HP_A 0x5f180 +#define _PIPEDMC_FPQ1_HP_B 0x5f528 +#define _PIPEDMC_FPQ2_HP_B 0x5f538 +#define _PIPEDMC_FPQ3_HP_B 0x5f568 +#define _PIPEDMC_FPQ4_HP_B 0x5f574 +#define _PIPEDMC_FPQ5_HP_B 0x5f580 +#define PIPEDMC_FPQ_HP(pipe, fq_id) _MMIO_PIPEDMC_FPQ((pipe), (fq_id), \ + _PIPEDMC_FPQ1_HP_A, _PIPEDMC_FPQ2_HP_A, \ + _PIPEDMC_FPQ3_HP_A, _PIPEDMC_FPQ4_HP_A, \ + _PIPEDMC_FPQ1_HP_B, _PIPEDMC_FPQ2_HP_B, \ + _PIPEDMC_FPQ3_HP_B, _PIPEDMC_FPQ4_HP_B) + +#define _PIPEDMC_FPQ1_TP_A 0x5f12c +#define _PIPEDMC_FPQ2_TP_A 0x5f13c +#define _PIPEDMC_FPQ3_TP_A 0x5f16c +#define _PIPEDMC_FPQ4_TP_A 0x5f178 +#define _PIPEDMC_FPQ5_TP_A 0x5f184 +#define _PIPEDMC_FPQ1_TP_B 0x5f52c +#define _PIPEDMC_FPQ2_TP_B 0x5f53c +#define _PIPEDMC_FPQ3_TP_B 0x5f56c +#define _PIPEDMC_FPQ4_TP_B 0x5f578 +#define _PIPEDMC_FPQ5_TP_B 0x5f584 +#define PIPEDMC_FPQ_TP(pipe, fq_id) _MMIO_PIPEDMC_FPQ((pipe), (fq_id), \ + _PIPEDMC_FPQ1_TP_A, _PIPEDMC_FPQ2_TP_A, \ + _PIPEDMC_FPQ3_TP_A, _PIPEDMC_FPQ4_TP_A, \ + _PIPEDMC_FPQ1_TP_B, _PIPEDMC_FPQ2_TP_B, \ + _PIPEDMC_FPQ3_TP_B, _PIPEDMC_FPQ4_TP_B) + +#define _PIPEDMC_FPQ1_CHP_A 0x5f130 +#define _PIPEDMC_FPQ2_CHP_A 0x5f140 +#define _PIPEDMC_FPQ3_CHP_A 0x5f170 +#define _PIPEDMC_FPQ4_CHP_A 0x5f17c +#define _PIPEDMC_FPQ5_CHP_A 0x5f188 +#define _PIPEDMC_FPQ1_CHP_B 0x5f530 +#define _PIPEDMC_FPQ2_CHP_B 0x5f540 +#define _PIPEDMC_FPQ3_CHP_B 0x5f570 +#define _PIPEDMC_FPQ4_CHP_B 0x5f57c +#define _PIPEDMC_FPQ5_CHP_B 0x5f588 +#define PIPEDMC_FPQ_CHP(pipe, fq_id) _MMIO_PIPEDMC_FPQ((pipe), (fq_id), \ + _PIPEDMC_FPQ1_CHP_A, _PIPEDMC_FPQ2_CHP_A, \ + _PIPEDMC_FPQ3_CHP_A, _PIPEDMC_FPQ4_CHP_A, \ + _PIPEDMC_FPQ1_CHP_B, _PIPEDMC_FPQ2_CHP_B, \ + _PIPEDMC_FPQ3_CHP_B, _PIPEDMC_FPQ4_CHP_B) + +#define _PIPEDMC_FPQ_TS_A 0x5f134 +#define _PIPEDMC_FPQ_TS_B 0x5f534 +#define PIPEDMC_FPQ_TS(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FPQ_TS_A, _PIPEDMC_FPQ_TS_B) + +#define _PIPEDMC_SCANLINE_RO_A 0x5f144 +#define _PIPEDMC_SCANLINE_RO_B 0x5f544 +#define PIPEDMC_SCANLINE_RO(pipe) _MMIO_PIPE((pipe), _PIPEDMC_SCANLINE_RO_A, _PIPEDMC_SCANLINE_RO_B) + +#define _PIPEDMC_FPQ_CTL1_A 0x5f160 +#define _PIPEDMC_FPQ_CTL1_B 0x5f560 +#define PIPEDMC_FPQ_CTL1(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FPQ_CTL1_A, _PIPEDMC_FPQ_CTL1_B) +#define PIPEDMC_SW_DMC_WAKE REG_BIT(0) + +#define _PIPEDMC_FPQ_CTL2_A 0x5f164 +#define _PIPEDMC_FPQ_CTL2_B 0x5f564 +#define PIPEDMC_FPQ_CTL2(pipe) _MMIO_PIPE((pipe), _PIPEDMC_FPQ_CTL2_A, _PIPEDMC_FPQ_CTL2_B) +#define PIPEDMC_DMC_INT_AT_DELAYED_VBLANK REG_BIT(1) +#define PIPEDMC_W1_DMC_WAKE REG_BIT(0) + #define _PIPEDMC_INTERRUPT_A 0x5f190 /* lnl+ */ #define _PIPEDMC_INTERRUPT_B 0x5f590 /* lnl+ */ #define PIPEDMC_INTERRUPT(pipe) _MMIO_PIPE((pipe), _PIPEDMC_INTERRUPT_A, _PIPEDMC_INTERRUPT_B) @@ -394,4 +537,51 @@ enum pipedmc_event_id { #define DMC_WAKELOCK_CTL_REQ REG_BIT(31) #define DMC_WAKELOCK_CTL_ACK REG_BIT(15) +#define DMC_FQ_W2_PTS_CFG_SEL _MMIO(0x8f240) +#define PIPE_D_DMC_W2_PTS_CONFIG_SELECT_MASK REG_GENMASK(26, 24) +#define PIPE_D_DMC_W2_PTS_CONFIG_SELECT(pipe) REG_FIELD_PREP(PIPE_D_DMC_W2_PTS_CONFIG_SELECT_MASK, (pipe)) +#define PIPE_C_DMC_W2_PTS_CONFIG_SELECT_MASK REG_GENMASK(18, 16) +#define PIPE_C_DMC_W2_PTS_CONFIG_SELECT(pipe) REG_FIELD_PREP(PIPE_C_DMC_W2_PTS_CONFIG_SELECT_MASK, (pipe)) +#define PIPE_B_DMC_W2_PTS_CONFIG_SELECT_MASK REG_GENMASK(10, 8) +#define PIPE_B_DMC_W2_PTS_CONFIG_SELECT(pipe) REG_FIELD_PREP(PIPE_B_DMC_W2_PTS_CONFIG_SELECT_MASK, (pipe)) +#define PIPE_A_DMC_W2_PTS_CONFIG_SELECT_MASK REG_GENMASK(2, 0) +#define PIPE_A_DMC_W2_PTS_CONFIG_SELECT(pipe) REG_FIELD_PREP(PIPE_A_DMC_W2_PTS_CONFIG_SELECT_MASK, (pipe)) + +/* plane/general flip queue entries */ +#define PIPEDMC_FQ_RAM(start_mmioaddr, i) _MMIO((start_mmioaddr) + (i) * 4) +/* LNL */ +/* DW0 pts */ +/* DW1 head */ +/* DW2 size/etc. */ +#define LNL_FQ_INTERRUPT REG_BIT(31) +#define LNL_FQ_DSB_ID_MASK REG_GENMASK(30, 29) +#define LNL_FQ_DSB_ID(dsb_id) REG_FIELD_PREP(LNL_FQ_DSB_ID_MASK, (dsb_id)) +#define LNL_FQ_EXECUTED REG_BIT(28) +#define LNL_FQ_DSB_SIZE_MASK REG_GENMASK(15, 0) +#define LNL_FQ_DSB_SIZE(size) REG_FIELD_PREP(LNL_FQ_DSB_SIZE_MASK, (size)) +/* DW3 reserved (plane queues) */ +/* DW3 second DSB head (general queue) */ +/* DW4 second DSB size/etc. (general queue) */ +/* DW5 reserved (general queue) */ + +/* PTL+ */ +/* DW0 pts */ +/* DW1 reserved */ +/* DW2 size/etc. */ +#define PTL_FQ_INTERRUPT REG_BIT(31) +#define PTL_FQ_NEED_PUSH REG_BIT(30) +#define PTL_FQ_BLOCK_PUSH REG_BIT(29) +#define PTL_FQ_EXECUTED REG_BIT(28) +#define PTL_FQ_DSB_ID_MASK REG_GENMASK(25, 24) +#define PTL_FQ_DSB_ID(dsb_id) REG_FIELD_PREP(PTL_FQ_DSB_ID_MASK, (dsb_id)) +#define PTL_FQ_DSB_SIZE_MASK REG_GENMASK(15, 0) +#define PTL_FQ_DSB_SIZE(size) REG_FIELD_PREP(PTL_FQ_DSB_SIZE_MASK, (size)) +/* DW3 head */ +/* DW4 second DSB size/etc. (general queue) */ +/* DW5 second DSB head (general queue) */ + +/* undocumented magic DMC variables */ +#define PTL_PIPEDMC_EXEC_TIME_LINES(start_mmioaddr) _MMIO((start_mmioaddr) + 0x6b8) +#define PTL_PIPEDMC_END_OF_EXEC_GB(start_mmioaddr) _MMIO((start_mmioaddr) + 0x6c0) + #endif /* __INTEL_DMC_REGS_H__ */