diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c | 956 |
1 files changed, 956 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c new file mode 100644 index 000000000000..bb9648488900 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c @@ -0,0 +1,956 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + +#include "dcn30/dcn30_hubbub.h" +#include "dcn31_hubbub.h" +#include "dm_services.h" +#include "reg_helper.h" + + +#define CTX \ + hubbub2->base.ctx +#define DC_LOGGER \ + hubbub2->base.ctx->logger +#define REG(reg)\ + hubbub2->regs->reg + +#undef FN +#define FN(reg_name, field_name) \ + hubbub2->shifts->field_name, hubbub2->masks->field_name + +#ifdef NUM_VMID +#undef NUM_VMID +#endif +#define NUM_VMID 16 + +#define DCN31_CRB_SEGMENT_SIZE_KB 64 + +static void dcn31_init_crb(struct hubbub *hubbub) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + + REG_GET(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, + &hubbub2->det0_size); + + REG_GET(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, + &hubbub2->det1_size); + + REG_GET(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, + &hubbub2->det2_size); + + REG_GET(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, + &hubbub2->det3_size); + + REG_GET(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE_CURRENT, + &hubbub2->compbuf_size_segments); + + REG_SET_2(COMPBUF_RESERVED_SPACE, 0, + COMPBUF_RESERVED_SPACE_64B, hubbub2->pixel_chunk_size / 32, + COMPBUF_RESERVED_SPACE_ZS, hubbub2->pixel_chunk_size / 128); + REG_UPDATE(DCHUBBUB_DEBUG_CTRL_0, DET_DEPTH, 0x17F); +} + +static void dcn31_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + + unsigned int det_size_segments = (det_buffer_size_in_kbyte + DCN31_CRB_SEGMENT_SIZE_KB - 1) / DCN31_CRB_SEGMENT_SIZE_KB; + + switch (hubp_inst) { + case 0: + REG_UPDATE(DCHUBBUB_DET0_CTRL, + DET0_SIZE, det_size_segments); + hubbub2->det0_size = det_size_segments; + break; + case 1: + REG_UPDATE(DCHUBBUB_DET1_CTRL, + DET1_SIZE, det_size_segments); + hubbub2->det1_size = det_size_segments; + break; + case 2: + REG_UPDATE(DCHUBBUB_DET2_CTRL, + DET2_SIZE, det_size_segments); + hubbub2->det2_size = det_size_segments; + break; + case 3: + REG_UPDATE(DCHUBBUB_DET3_CTRL, + DET3_SIZE, det_size_segments); + hubbub2->det3_size = det_size_segments; + break; + default: + break; + } + /* Should never be hit, if it is we have an erroneous hw config*/ + ASSERT(hubbub2->det0_size + hubbub2->det1_size + hubbub2->det2_size + + hubbub2->det3_size + hubbub2->compbuf_size_segments <= hubbub2->crb_size_segs); +} + +static void dcn31_program_compbuf_size(struct hubbub *hubbub, unsigned int compbuf_size_kb, bool safe_to_increase) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + unsigned int compbuf_size_segments = (compbuf_size_kb + DCN31_CRB_SEGMENT_SIZE_KB - 1) / DCN31_CRB_SEGMENT_SIZE_KB; + + if (safe_to_increase || compbuf_size_segments <= hubbub2->compbuf_size_segments) { + if (compbuf_size_segments > hubbub2->compbuf_size_segments) { + REG_WAIT(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, hubbub2->det0_size, 1, 100); + REG_WAIT(DCHUBBUB_DET1_CTRL, DET1_SIZE_CURRENT, hubbub2->det1_size, 1, 100); + REG_WAIT(DCHUBBUB_DET2_CTRL, DET2_SIZE_CURRENT, hubbub2->det2_size, 1, 100); + REG_WAIT(DCHUBBUB_DET3_CTRL, DET3_SIZE_CURRENT, hubbub2->det3_size, 1, 100); + } + /* Should never be hit, if it is we have an erroneous hw config*/ + ASSERT(hubbub2->det0_size + hubbub2->det1_size + hubbub2->det2_size + + hubbub2->det3_size + compbuf_size_segments <= hubbub2->crb_size_segs); + REG_UPDATE(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE, compbuf_size_segments); + REG_WAIT(DCHUBBUB_COMPBUF_CTRL, COMPBUF_SIZE_CURRENT, compbuf_size_segments, 1, 100); + hubbub2->compbuf_size_segments = compbuf_size_segments; + } +} + +static uint32_t convert_and_clamp( + uint32_t wm_ns, + uint32_t refclk_mhz, + uint32_t clamp_value) +{ + uint32_t ret_val = 0; + ret_val = wm_ns * refclk_mhz; + ret_val /= 1000; + + if (ret_val > clamp_value) + ret_val = clamp_value; + + return ret_val; +} + +static bool hubbub31_program_urgent_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz, + bool safe_to_lower) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + uint32_t prog_wm_value; + bool wm_pending = false; + + /* Repeat for water mark set A, B, C and D. */ + /* clock state A */ + if (safe_to_lower || watermarks->a.urgent_ns > hubbub2->watermarks.a.urgent_ns) { + hubbub2->watermarks.a.urgent_ns = watermarks->a.urgent_ns; + prog_wm_value = convert_and_clamp(watermarks->a.urgent_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, 0, + DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, prog_wm_value); + + DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.urgent_ns, prog_wm_value); + } else if (watermarks->a.urgent_ns < hubbub2->watermarks.a.urgent_ns) + wm_pending = true; + + /* determine the transfer time for a quantity of data for a particular requestor.*/ + if (safe_to_lower || watermarks->a.frac_urg_bw_flip + > hubbub2->watermarks.a.frac_urg_bw_flip) { + hubbub2->watermarks.a.frac_urg_bw_flip = watermarks->a.frac_urg_bw_flip; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, 0, + DCHUBBUB_ARB_FRAC_URG_BW_FLIP_A, watermarks->a.frac_urg_bw_flip); + } else if (watermarks->a.frac_urg_bw_flip + < hubbub2->watermarks.a.frac_urg_bw_flip) + wm_pending = true; + + if (safe_to_lower || watermarks->a.frac_urg_bw_nom + > hubbub2->watermarks.a.frac_urg_bw_nom) { + hubbub2->watermarks.a.frac_urg_bw_nom = watermarks->a.frac_urg_bw_nom; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, 0, + DCHUBBUB_ARB_FRAC_URG_BW_NOM_A, watermarks->a.frac_urg_bw_nom); + } else if (watermarks->a.frac_urg_bw_nom + < hubbub2->watermarks.a.frac_urg_bw_nom) + wm_pending = true; + + if (safe_to_lower || watermarks->a.urgent_latency_ns > hubbub2->watermarks.a.urgent_latency_ns) { + hubbub2->watermarks.a.urgent_latency_ns = watermarks->a.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->a.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, prog_wm_value); + } else if (watermarks->a.urgent_latency_ns < hubbub2->watermarks.a.urgent_latency_ns) + wm_pending = true; + + /* clock state B */ + if (safe_to_lower || watermarks->b.urgent_ns > hubbub2->watermarks.b.urgent_ns) { + hubbub2->watermarks.b.urgent_ns = watermarks->b.urgent_ns; + prog_wm_value = convert_and_clamp(watermarks->b.urgent_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, 0, + DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, prog_wm_value); + + DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.urgent_ns, prog_wm_value); + } else if (watermarks->b.urgent_ns < hubbub2->watermarks.b.urgent_ns) + wm_pending = true; + + /* determine the transfer time for a quantity of data for a particular requestor.*/ + if (safe_to_lower || watermarks->b.frac_urg_bw_flip + > hubbub2->watermarks.b.frac_urg_bw_flip) { + hubbub2->watermarks.b.frac_urg_bw_flip = watermarks->b.frac_urg_bw_flip; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, 0, + DCHUBBUB_ARB_FRAC_URG_BW_FLIP_B, watermarks->b.frac_urg_bw_flip); + } else if (watermarks->b.frac_urg_bw_flip + < hubbub2->watermarks.b.frac_urg_bw_flip) + wm_pending = true; + + if (safe_to_lower || watermarks->b.frac_urg_bw_nom + > hubbub2->watermarks.b.frac_urg_bw_nom) { + hubbub2->watermarks.b.frac_urg_bw_nom = watermarks->b.frac_urg_bw_nom; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, 0, + DCHUBBUB_ARB_FRAC_URG_BW_NOM_B, watermarks->b.frac_urg_bw_nom); + } else if (watermarks->b.frac_urg_bw_nom + < hubbub2->watermarks.b.frac_urg_bw_nom) + wm_pending = true; + + if (safe_to_lower || watermarks->b.urgent_latency_ns > hubbub2->watermarks.b.urgent_latency_ns) { + hubbub2->watermarks.b.urgent_latency_ns = watermarks->b.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->b.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, prog_wm_value); + } else if (watermarks->b.urgent_latency_ns < hubbub2->watermarks.b.urgent_latency_ns) + wm_pending = true; + + /* clock state C */ + if (safe_to_lower || watermarks->c.urgent_ns > hubbub2->watermarks.c.urgent_ns) { + hubbub2->watermarks.c.urgent_ns = watermarks->c.urgent_ns; + prog_wm_value = convert_and_clamp(watermarks->c.urgent_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, 0, + DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, prog_wm_value); + + DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.urgent_ns, prog_wm_value); + } else if (watermarks->c.urgent_ns < hubbub2->watermarks.c.urgent_ns) + wm_pending = true; + + /* determine the transfer time for a quantity of data for a particular requestor.*/ + if (safe_to_lower || watermarks->c.frac_urg_bw_flip + > hubbub2->watermarks.c.frac_urg_bw_flip) { + hubbub2->watermarks.c.frac_urg_bw_flip = watermarks->c.frac_urg_bw_flip; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, 0, + DCHUBBUB_ARB_FRAC_URG_BW_FLIP_C, watermarks->c.frac_urg_bw_flip); + } else if (watermarks->c.frac_urg_bw_flip + < hubbub2->watermarks.c.frac_urg_bw_flip) + wm_pending = true; + + if (safe_to_lower || watermarks->c.frac_urg_bw_nom + > hubbub2->watermarks.c.frac_urg_bw_nom) { + hubbub2->watermarks.c.frac_urg_bw_nom = watermarks->c.frac_urg_bw_nom; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, 0, + DCHUBBUB_ARB_FRAC_URG_BW_NOM_C, watermarks->c.frac_urg_bw_nom); + } else if (watermarks->c.frac_urg_bw_nom + < hubbub2->watermarks.c.frac_urg_bw_nom) + wm_pending = true; + + if (safe_to_lower || watermarks->c.urgent_latency_ns > hubbub2->watermarks.c.urgent_latency_ns) { + hubbub2->watermarks.c.urgent_latency_ns = watermarks->c.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->c.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, prog_wm_value); + } else if (watermarks->c.urgent_latency_ns < hubbub2->watermarks.c.urgent_latency_ns) + wm_pending = true; + + /* clock state D */ + if (safe_to_lower || watermarks->d.urgent_ns > hubbub2->watermarks.d.urgent_ns) { + hubbub2->watermarks.d.urgent_ns = watermarks->d.urgent_ns; + prog_wm_value = convert_and_clamp(watermarks->d.urgent_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, 0, + DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, prog_wm_value); + + DC_LOG_BANDWIDTH_CALCS("URGENCY_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.urgent_ns, prog_wm_value); + } else if (watermarks->d.urgent_ns < hubbub2->watermarks.d.urgent_ns) + wm_pending = true; + + /* determine the transfer time for a quantity of data for a particular requestor.*/ + if (safe_to_lower || watermarks->d.frac_urg_bw_flip + > hubbub2->watermarks.d.frac_urg_bw_flip) { + hubbub2->watermarks.d.frac_urg_bw_flip = watermarks->d.frac_urg_bw_flip; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, 0, + DCHUBBUB_ARB_FRAC_URG_BW_FLIP_D, watermarks->d.frac_urg_bw_flip); + } else if (watermarks->d.frac_urg_bw_flip + < hubbub2->watermarks.d.frac_urg_bw_flip) + wm_pending = true; + + if (safe_to_lower || watermarks->d.frac_urg_bw_nom + > hubbub2->watermarks.d.frac_urg_bw_nom) { + hubbub2->watermarks.d.frac_urg_bw_nom = watermarks->d.frac_urg_bw_nom; + + REG_SET(DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, 0, + DCHUBBUB_ARB_FRAC_URG_BW_NOM_D, watermarks->d.frac_urg_bw_nom); + } else if (watermarks->d.frac_urg_bw_nom + < hubbub2->watermarks.d.frac_urg_bw_nom) + wm_pending = true; + + if (safe_to_lower || watermarks->d.urgent_latency_ns > hubbub2->watermarks.d.urgent_latency_ns) { + hubbub2->watermarks.d.urgent_latency_ns = watermarks->d.urgent_latency_ns; + prog_wm_value = convert_and_clamp(watermarks->d.urgent_latency_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, 0, + DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, prog_wm_value); + } else if (watermarks->d.urgent_latency_ns < hubbub2->watermarks.d.urgent_latency_ns) + wm_pending = true; + + return wm_pending; +} + +static bool hubbub31_program_stutter_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz, + bool safe_to_lower) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + uint32_t prog_wm_value; + bool wm_pending = false; + + /* clock state A */ + if (safe_to_lower || watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns + > hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns) { + hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = + watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + } else if (watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns + < hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->a.cstate_pstate.cstate_exit_ns + > hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns) { + hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns = + watermarks->a.cstate_pstate.cstate_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_exit_ns, prog_wm_value); + } else if (watermarks->a.cstate_pstate.cstate_exit_ns + < hubbub2->watermarks.a.cstate_pstate.cstate_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns + > hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_z8_ns) { + hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_z8_ns = + watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_A, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_A, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns, prog_wm_value); + } else if (watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns + < hubbub2->watermarks.a.cstate_pstate.cstate_enter_plus_exit_z8_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->a.cstate_pstate.cstate_exit_z8_ns + > hubbub2->watermarks.a.cstate_pstate.cstate_exit_z8_ns) { + hubbub2->watermarks.a.cstate_pstate.cstate_exit_z8_ns = + watermarks->a.cstate_pstate.cstate_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.cstate_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_A, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_A, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_A calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->a.cstate_pstate.cstate_exit_z8_ns, prog_wm_value); + } else if (watermarks->a.cstate_pstate.cstate_exit_z8_ns + < hubbub2->watermarks.a.cstate_pstate.cstate_exit_z8_ns) + wm_pending = true; + + /* clock state B */ + if (safe_to_lower || watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns + > hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns) { + hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = + watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + } else if (watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns + < hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->b.cstate_pstate.cstate_exit_ns + > hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns) { + hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns = + watermarks->b.cstate_pstate.cstate_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_exit_ns, prog_wm_value); + } else if (watermarks->b.cstate_pstate.cstate_exit_ns + < hubbub2->watermarks.b.cstate_pstate.cstate_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns + > hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_z8_ns) { + hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_z8_ns = + watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_B, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_B, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns, prog_wm_value); + } else if (watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns + < hubbub2->watermarks.b.cstate_pstate.cstate_enter_plus_exit_z8_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->b.cstate_pstate.cstate_exit_z8_ns + > hubbub2->watermarks.b.cstate_pstate.cstate_exit_z8_ns) { + hubbub2->watermarks.b.cstate_pstate.cstate_exit_z8_ns = + watermarks->b.cstate_pstate.cstate_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.cstate_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_B, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_B, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_B calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->b.cstate_pstate.cstate_exit_z8_ns, prog_wm_value); + } else if (watermarks->b.cstate_pstate.cstate_exit_z8_ns + < hubbub2->watermarks.b.cstate_pstate.cstate_exit_z8_ns) + wm_pending = true; + + /* clock state C */ + if (safe_to_lower || watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns + > hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns) { + hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = + watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + } else if (watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns + < hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->c.cstate_pstate.cstate_exit_ns + > hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns) { + hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns = + watermarks->c.cstate_pstate.cstate_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_exit_ns, prog_wm_value); + } else if (watermarks->c.cstate_pstate.cstate_exit_ns + < hubbub2->watermarks.c.cstate_pstate.cstate_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns + > hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_z8_ns) { + hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_z8_ns = + watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_C, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_C, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns, prog_wm_value); + } else if (watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns + < hubbub2->watermarks.c.cstate_pstate.cstate_enter_plus_exit_z8_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->c.cstate_pstate.cstate_exit_z8_ns + > hubbub2->watermarks.c.cstate_pstate.cstate_exit_z8_ns) { + hubbub2->watermarks.c.cstate_pstate.cstate_exit_z8_ns = + watermarks->c.cstate_pstate.cstate_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.cstate_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_C, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_C, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_C calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->c.cstate_pstate.cstate_exit_z8_ns, prog_wm_value); + } else if (watermarks->c.cstate_pstate.cstate_exit_z8_ns + < hubbub2->watermarks.c.cstate_pstate.cstate_exit_z8_ns) + wm_pending = true; + + /* clock state D */ + if (safe_to_lower || watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns + > hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns) { + hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = + watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, prog_wm_value); + } else if (watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns + < hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->d.cstate_pstate.cstate_exit_ns + > hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns) { + hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns = + watermarks->d.cstate_pstate.cstate_exit_ns; + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_exit_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_exit_ns, prog_wm_value); + } else if (watermarks->d.cstate_pstate.cstate_exit_ns + < hubbub2->watermarks.d.cstate_pstate.cstate_exit_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns + > hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_z8_ns) { + hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_z8_ns = + watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_D, 0, + DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_D, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns, prog_wm_value); + } else if (watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns + < hubbub2->watermarks.d.cstate_pstate.cstate_enter_plus_exit_z8_ns) + wm_pending = true; + + if (safe_to_lower || watermarks->d.cstate_pstate.cstate_exit_z8_ns + > hubbub2->watermarks.d.cstate_pstate.cstate_exit_z8_ns) { + hubbub2->watermarks.d.cstate_pstate.cstate_exit_z8_ns = + watermarks->d.cstate_pstate.cstate_exit_z8_ns; + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.cstate_exit_z8_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_D, 0, + DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_D, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_D calculated =%d\n" + "HW register value = 0x%x\n", + watermarks->d.cstate_pstate.cstate_exit_z8_ns, prog_wm_value); + } else if (watermarks->d.cstate_pstate.cstate_exit_z8_ns + < hubbub2->watermarks.d.cstate_pstate.cstate_exit_z8_ns) + wm_pending = true; + + return wm_pending; +} + +static bool hubbub31_program_pstate_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz, + bool safe_to_lower) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + uint32_t prog_wm_value; + + bool wm_pending = false; + + /* clock state A */ + if (safe_to_lower || watermarks->a.cstate_pstate.pstate_change_ns + > hubbub2->watermarks.a.cstate_pstate.pstate_change_ns) { + hubbub2->watermarks.a.cstate_pstate.pstate_change_ns = + watermarks->a.cstate_pstate.pstate_change_ns; + prog_wm_value = convert_and_clamp( + watermarks->a.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A, 0, + DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_A calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->a.cstate_pstate.pstate_change_ns, prog_wm_value); + } else if (watermarks->a.cstate_pstate.pstate_change_ns + < hubbub2->watermarks.a.cstate_pstate.pstate_change_ns) + wm_pending = true; + + /* clock state B */ + if (safe_to_lower || watermarks->b.cstate_pstate.pstate_change_ns + > hubbub2->watermarks.b.cstate_pstate.pstate_change_ns) { + hubbub2->watermarks.b.cstate_pstate.pstate_change_ns = + watermarks->b.cstate_pstate.pstate_change_ns; + prog_wm_value = convert_and_clamp( + watermarks->b.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B, 0, + DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_B calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->b.cstate_pstate.pstate_change_ns, prog_wm_value); + } else if (watermarks->b.cstate_pstate.pstate_change_ns + < hubbub2->watermarks.b.cstate_pstate.pstate_change_ns) + wm_pending = false; + + /* clock state C */ + if (safe_to_lower || watermarks->c.cstate_pstate.pstate_change_ns + > hubbub2->watermarks.c.cstate_pstate.pstate_change_ns) { + hubbub2->watermarks.c.cstate_pstate.pstate_change_ns = + watermarks->c.cstate_pstate.pstate_change_ns; + prog_wm_value = convert_and_clamp( + watermarks->c.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C, 0, + DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_C calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->c.cstate_pstate.pstate_change_ns, prog_wm_value); + } else if (watermarks->c.cstate_pstate.pstate_change_ns + < hubbub2->watermarks.c.cstate_pstate.pstate_change_ns) + wm_pending = true; + + /* clock state D */ + if (safe_to_lower || watermarks->d.cstate_pstate.pstate_change_ns + > hubbub2->watermarks.d.cstate_pstate.pstate_change_ns) { + hubbub2->watermarks.d.cstate_pstate.pstate_change_ns = + watermarks->d.cstate_pstate.pstate_change_ns; + prog_wm_value = convert_and_clamp( + watermarks->d.cstate_pstate.pstate_change_ns, + refclk_mhz, 0x1fffff); + REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, 0, + DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, prog_wm_value); + DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_D calculated =%d\n" + "HW register value = 0x%x\n\n", + watermarks->d.cstate_pstate.pstate_change_ns, prog_wm_value); + } else if (watermarks->d.cstate_pstate.pstate_change_ns + < hubbub2->watermarks.d.cstate_pstate.pstate_change_ns) + wm_pending = true; + + return wm_pending; +} + +static bool hubbub31_program_watermarks( + struct hubbub *hubbub, + struct dcn_watermark_set *watermarks, + unsigned int refclk_mhz, + bool safe_to_lower) +{ + bool wm_pending = false; + + if (hubbub31_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + if (hubbub31_program_stutter_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + if (hubbub31_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower)) + wm_pending = true; + + /* + * The DCHub arbiter has a mechanism to dynamically rate limit the DCHub request stream to the fabric. + * If the memory controller is fully utilized and the DCHub requestors are + * well ahead of their amortized schedule, then it is safe to prevent the next winner + * from being committed and sent to the fabric. + * The utilization of the memory controller is approximated by ensuring that + * the number of outstanding requests is greater than a threshold specified + * by the ARB_MIN_REQ_OUTSTANDING. To determine that the DCHub requestors are well ahead of the amortized schedule, + * the slack of the next winner is compared with the ARB_SAT_LEVEL in DLG RefClk cycles. + * + * TODO: Revisit request limit after figure out right number. request limit for RM isn't decided yet, set maximum value (0x1FF) + * to turn off it for now. + */ + /*REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0, + DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz); + REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND, + DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 0x1FF);*/ + + hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter); + return wm_pending; +} + +static void hubbub3_get_blk256_size(unsigned int *blk256_width, unsigned int *blk256_height, + unsigned int bytes_per_element) +{ + /* copied from DML. might want to refactor DML to leverage from DML */ + /* DML : get_blk256_size */ + if (bytes_per_element == 1) { + *blk256_width = 16; + *blk256_height = 16; + } else if (bytes_per_element == 2) { + *blk256_width = 16; + *blk256_height = 8; + } else if (bytes_per_element == 4) { + *blk256_width = 8; + *blk256_height = 8; + } else if (bytes_per_element == 8) { + *blk256_width = 8; + *blk256_height = 4; + } +} + +static void hubbub31_det_request_size( + unsigned int detile_buf_size, + unsigned int height, + unsigned int width, + unsigned int bpe, + bool *req128_horz_wc, + bool *req128_vert_wc) +{ + unsigned int blk256_height = 0; + unsigned int blk256_width = 0; + unsigned int swath_bytes_horz_wc, swath_bytes_vert_wc; + + hubbub3_get_blk256_size(&blk256_width, &blk256_height, bpe); + + swath_bytes_horz_wc = width * blk256_height * bpe; + swath_bytes_vert_wc = height * blk256_width * bpe; + + *req128_horz_wc = (2 * swath_bytes_horz_wc <= detile_buf_size) ? + false : /* full 256B request */ + true; /* half 128b request */ + + *req128_vert_wc = (2 * swath_bytes_vert_wc <= detile_buf_size) ? + false : /* full 256B request */ + true; /* half 128b request */ +} + +static bool hubbub31_get_dcc_compression_cap(struct hubbub *hubbub, + const struct dc_dcc_surface_param *input, + struct dc_surface_dcc_cap *output) +{ + struct dc *dc = hubbub->ctx->dc; + enum dcc_control dcc_control; + unsigned int bpe; + enum segment_order segment_order_horz, segment_order_vert; + bool req128_horz_wc, req128_vert_wc; + + memset(output, 0, sizeof(*output)); + + if (dc->debug.disable_dcc == DCC_DISABLE) + return false; + + if (!hubbub->funcs->dcc_support_pixel_format(input->format, + &bpe)) + return false; + + if (!hubbub->funcs->dcc_support_swizzle(input->swizzle_mode, bpe, + &segment_order_horz, &segment_order_vert)) + return false; + + hubbub31_det_request_size(TO_DCN20_HUBBUB(hubbub)->detile_buf_size, + input->surface_size.height, input->surface_size.width, + bpe, &req128_horz_wc, &req128_vert_wc); + + if (!req128_horz_wc && !req128_vert_wc) { + dcc_control = dcc_control__256_256_xxx; + } else if (input->scan == SCAN_DIRECTION_HORIZONTAL) { + if (!req128_horz_wc) + dcc_control = dcc_control__256_256_xxx; + else if (segment_order_horz == segment_order__contiguous) + dcc_control = dcc_control__128_128_xxx; + else + dcc_control = dcc_control__256_64_64; + } else if (input->scan == SCAN_DIRECTION_VERTICAL) { + if (!req128_vert_wc) + dcc_control = dcc_control__256_256_xxx; + else if (segment_order_vert == segment_order__contiguous) + dcc_control = dcc_control__128_128_xxx; + else + dcc_control = dcc_control__256_64_64; + } else { + if ((req128_horz_wc && + segment_order_horz == segment_order__non_contiguous) || + (req128_vert_wc && + segment_order_vert == segment_order__non_contiguous)) + /* access_dir not known, must use most constraining */ + dcc_control = dcc_control__256_64_64; + else + /* reg128 is true for either horz and vert + * but segment_order is contiguous + */ + dcc_control = dcc_control__128_128_xxx; + } + + /* Exception for 64KB_R_X */ + if ((bpe == 2) && (input->swizzle_mode == DC_SW_64KB_R_X)) + dcc_control = dcc_control__128_128_xxx; + + if (dc->debug.disable_dcc == DCC_HALF_REQ_DISALBE && + dcc_control != dcc_control__256_256_xxx) + return false; + + switch (dcc_control) { + case dcc_control__256_256_xxx: + output->grph.rgb.max_uncompressed_blk_size = 256; + output->grph.rgb.max_compressed_blk_size = 256; + output->grph.rgb.independent_64b_blks = false; + output->grph.rgb.dcc_controls.dcc_256_256_unconstrained = 1; + output->grph.rgb.dcc_controls.dcc_256_128_128 = 1; + break; + case dcc_control__128_128_xxx: + output->grph.rgb.max_uncompressed_blk_size = 128; + output->grph.rgb.max_compressed_blk_size = 128; + output->grph.rgb.independent_64b_blks = false; + output->grph.rgb.dcc_controls.dcc_128_128_uncontrained = 1; + output->grph.rgb.dcc_controls.dcc_256_128_128 = 1; + break; + case dcc_control__256_64_64: + output->grph.rgb.max_uncompressed_blk_size = 256; + output->grph.rgb.max_compressed_blk_size = 64; + output->grph.rgb.independent_64b_blks = true; + output->grph.rgb.dcc_controls.dcc_256_64_64 = 1; + break; + case dcc_control__256_128_128: + output->grph.rgb.max_uncompressed_blk_size = 256; + output->grph.rgb.max_compressed_blk_size = 128; + output->grph.rgb.independent_64b_blks = false; + output->grph.rgb.dcc_controls.dcc_256_128_128 = 1; + break; + } + output->capable = true; + output->const_color_support = true; + + return true; +} + +static int hubbub31_init_dchub_sys_ctx(struct hubbub *hubbub, + struct dcn_hubbub_phys_addr_config *pa_config) +{ + hubbub3_init_dchub_sys_ctx(hubbub, pa_config); + + dcn21_dchvm_init(hubbub); + + return NUM_VMID; +} + +static void hubbub31_get_dchub_ref_freq(struct hubbub *hubbub, + unsigned int dccg_ref_freq_inKhz, + unsigned int *dchub_ref_freq_inKhz) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + uint32_t ref_div = 0; + uint32_t ref_en = 0; + unsigned int dc_refclk_khz = 24000; + + REG_GET_2(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, &ref_div, + DCHUBBUB_GLOBAL_TIMER_ENABLE, &ref_en); + + if (ref_en) { + if (ref_div == 2) + *dchub_ref_freq_inKhz = dc_refclk_khz / 2; + else + *dchub_ref_freq_inKhz = dc_refclk_khz; + + /* + * The external Reference Clock may change based on the board or + * platform requirements and the programmable integer divide must + * be programmed to provide a suitable DLG RefClk frequency between + * a minimum of 20MHz and maximum of 50MHz + */ + if (*dchub_ref_freq_inKhz < 20000 || *dchub_ref_freq_inKhz > 50000) + ASSERT_CRITICAL(false); + + return; + } else { + *dchub_ref_freq_inKhz = dc_refclk_khz; + + // HUBBUB global timer must be enabled. + ASSERT_CRITICAL(false); + return; + } +} + +static const struct hubbub_funcs hubbub31_funcs = { + .update_dchub = hubbub2_update_dchub, + .init_dchub_sys_ctx = hubbub31_init_dchub_sys_ctx, + .init_vm_ctx = hubbub2_init_vm_ctx, + .dcc_support_swizzle = hubbub3_dcc_support_swizzle, + .dcc_support_pixel_format = hubbub2_dcc_support_pixel_format, + .get_dcc_compression_cap = hubbub31_get_dcc_compression_cap, + .wm_read_state = hubbub21_wm_read_state, + .get_dchub_ref_freq = hubbub31_get_dchub_ref_freq, + .program_watermarks = hubbub31_program_watermarks, + .allow_self_refresh_control = hubbub1_allow_self_refresh_control, + .is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled, + .program_det_size = dcn31_program_det_size, + .program_compbuf_size = dcn31_program_compbuf_size, + .init_crb = dcn31_init_crb +}; + +void hubbub31_construct(struct dcn20_hubbub *hubbub31, + struct dc_context *ctx, + const struct dcn_hubbub_registers *hubbub_regs, + const struct dcn_hubbub_shift *hubbub_shift, + const struct dcn_hubbub_mask *hubbub_mask, + int det_size_kb, + int pixel_chunk_size_kb, + int config_return_buffer_size_kb) +{ + + hubbub3_construct(hubbub31, ctx, hubbub_regs, hubbub_shift, hubbub_mask); + hubbub31->base.funcs = &hubbub31_funcs; + hubbub31->detile_buf_size = det_size_kb * 1024; + hubbub31->pixel_chunk_size = pixel_chunk_size_kb * 1024; + hubbub31->crb_size_segs = config_return_buffer_size_kb / DCN31_CRB_SEGMENT_SIZE_KB; +} + |