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Mon, 16 Aug 2021 16:04:36 -0500 From: Fangzhi Zuo To: , , CC: , Fangzhi Zuo Subject: [PATCH 3/6] drm/amd/display: Add DP 2.0 HPO Link Encoder Date: Mon, 16 Aug 2021 16:59:16 -0400 Message-ID: <20210816205919.614691-4-Jerry.Zuo@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210816205919.614691-1-Jerry.Zuo@amd.com> References: <20210816205919.614691-1-Jerry.Zuo@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9dc0e4d6-91e2-49a3-6879-08d960f975c1 X-MS-TrafficTypeDiagnostic: BL0PR12MB5505: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:88; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(136003)(346002)(396003)(39860400002)(376002)(46966006)(36840700001)(70586007)(70206006)(6666004)(7696005)(110136005)(86362001)(316002)(426003)(54906003)(336012)(4326008)(83380400001)(186003)(2616005)(478600001)(8936002)(36756003)(26005)(6636002)(1076003)(5660300002)(82310400003)(82740400003)(34020700004)(30864003)(356005)(81166007)(36860700001)(8676002)(2906002)(47076005)(36900700001)(579004); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2021 21:04:38.6769 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9dc0e4d6-91e2-49a3-6879-08d960f975c1 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT010.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB5505 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" HW Blocks: +--------+ +-----+ +------+ | OPTC | | HDA | | HUBP | +--------+ +-----+ +------+ | | | | | | HPO ====|==========|========|==== | | v | | | +-----+ | | | | APG | | | | +-----+ | | | | | | v v v | +---------------------+ | | HPO Stream Encoder | | +---------------------+ | | | v | +--------------------+ | | HPO Link Encoder | v +--------------------+ Signed-off-by: Fangzhi Zuo --- drivers/gpu/drm/amd/display/dc/dc_link.h | 2 + .../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 34 +- drivers/gpu/drm/amd/display/dc/dcn31/Makefile | 2 +- .../display/dc/dcn31/dcn31_dio_link_encoder.c | 4 + .../dc/dcn31/dcn31_hpo_dp_link_encoder.c | 620 ++++++++++++++++++ .../dc/dcn31/dcn31_hpo_dp_link_encoder.h | 222 +++++++ .../drm/amd/display/dc/dcn31/dcn31_resource.c | 50 ++ .../gpu/drm/amd/display/dc/inc/core_types.h | 2 + .../gpu/drm/amd/display/dc/inc/hw/hw_shared.h | 1 + .../drm/amd/display/dc/inc/hw/link_encoder.h | 85 +++ drivers/gpu/drm/amd/display/dc/inc/resource.h | 5 + .../amd/display/include/link_service_types.h | 13 +- 12 files changed, 1036 insertions(+), 4 deletions(-) create mode 100644 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.c create mode 100644 drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.h diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 83845d006c54..0ed7085384f0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -45,6 +45,8 @@ struct dc_link_status { struct link_mst_stream_allocation { /* DIG front */ const struct stream_encoder *stream_enc; + /* HPO DP Stream Encoder */ + const struct hpo_dp_stream_encoder *hpo_dp_stream_enc; /* associate DRM payload table with DC stream encoder */ uint8_t vcp_id; /* number of slots required for the DP stream in transport packet */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index cffd9e6f44b2..70d47773c23c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -466,7 +466,6 @@ void dcn10_log_hw_state(struct dc *dc, log_mpc_crc(dc, log_ctx); -#if defined(CONFIG_DRM_AMD_DC_DCN3_1) { int hpo_dp_link_enc_count = 0; @@ -498,8 +497,39 @@ void dcn10_log_hw_state(struct dc *dc, DTN_INFO("\n"); } + + /* log DP HPO L_ENC section if any hpo_dp_link_enc exists */ + for (i = 0; i < dc->link_count; i++) + if (dc->links[i]->hpo_dp_link_enc) + hpo_dp_link_enc_count++; + + if (hpo_dp_link_enc_count) { + DTN_INFO("DP HPO L_ENC: Enabled Mode Lanes Stream Slots VC Rate X VC Rate Y\n"); + + for (i = 0; i < dc->link_count; i++) { + struct hpo_dp_link_encoder *hpo_dp_link_enc = dc->links[i]->hpo_dp_link_enc; + struct hpo_dp_link_enc_state hpo_dp_le_state = {0}; + + if (hpo_dp_link_enc && hpo_dp_link_enc->funcs->read_state) { + hpo_dp_link_enc->funcs->read_state(hpo_dp_link_enc, &hpo_dp_le_state); + DTN_INFO("[%d]: %d %6s %d %d %d %d %d\n", + hpo_dp_link_enc->inst, + hpo_dp_le_state.link_enc_enabled, + (hpo_dp_le_state.link_mode == 0) ? "TPS1" : + (hpo_dp_le_state.link_mode == 1) ? "TPS2" : + (hpo_dp_le_state.link_mode == 2) ? "ACTIVE" : "TEST", + hpo_dp_le_state.lane_count, + hpo_dp_le_state.stream_src[0], + hpo_dp_le_state.slot_count[0], + hpo_dp_le_state.vc_rate_x[0], + hpo_dp_le_state.vc_rate_y[0]); + DTN_INFO("\n"); + } + } + + DTN_INFO("\n"); + } } -#endif DTN_INFO_END(); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile index 8b811f589524..5197825e7965 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn31/Makefile @@ -12,7 +12,7 @@ DCN31 = dcn31_resource.o dcn31_hubbub.o dcn31_hwseq.o dcn31_init.o dcn31_hubp.o \ dcn31_dccg.o dcn31_optc.o dcn31_dio_link_encoder.o dcn31_panel_cntl.o \ - dcn31_apg.o dcn31_hpo_dp_stream_encoder.o + dcn31_apg.o dcn31_hpo_dp_stream_encoder.o dcn31_hpo_dp_link_encoder.o ifdef CONFIG_X86 CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o := -msse diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c index 90127c1f9e35..77b81f6c24b9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c @@ -320,6 +320,10 @@ void dcn31_link_encoder_construct( enc10->base.features.flags.bits.IS_HBR3_CAPABLE = bp_cap_info.DP_HBR3_EN; enc10->base.features.flags.bits.HDMI_6GB_EN = bp_cap_info.HDMI_6GB_EN; + enc10->base.features.flags.bits.IS_DP2_CAPABLE = bp_cap_info.IS_DP2_CAPABLE; + enc10->base.features.flags.bits.IS_UHBR10_CAPABLE = bp_cap_info.DP_UHBR10_EN; + enc10->base.features.flags.bits.IS_UHBR13_5_CAPABLE = bp_cap_info.DP_UHBR13_5_EN; + enc10->base.features.flags.bits.IS_UHBR20_CAPABLE = bp_cap_info.DP_UHBR20_EN; enc10->base.features.flags.bits.DP_IS_USB_C = bp_cap_info.DP_IS_USB_C; } else { diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.c new file mode 100644 index 000000000000..ee07a0bba12b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.c @@ -0,0 +1,620 @@ +/* + * Copyright 2019 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 "dc_bios_types.h" +#include "dcn31_hpo_dp_link_encoder.h" +#include "reg_helper.h" +#include "dc_link.h" +#include "stream_encoder.h" + +#define DC_LOGGER \ + enc3->base.ctx->logger + +#define REG(reg)\ + (enc3->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + enc3->hpo_le_shift->field_name, enc3->hpo_le_mask->field_name + + +#define CTX \ + enc3->base.ctx + +enum { + DP_SAT_UPDATE_MAX_RETRY = 200 +}; + +void dcn31_hpo_dp_link_enc_enable( + struct hpo_dp_link_encoder *enc, + enum dc_lane_count num_lanes) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t dp_link_enabled; + + /* get current status of link enabled */ + REG_GET(DP_DPHY_SYM32_STATUS, + STATUS, &dp_link_enabled); + + /* Enable clocks first */ + REG_UPDATE(DP_LINK_ENC_CLOCK_CONTROL, DP_LINK_ENC_CLOCK_EN, 1); + + /* Reset DPHY. Only reset if going from disable to enable */ + if (!dp_link_enabled) { + REG_UPDATE(DP_DPHY_SYM32_CONTROL, DPHY_RESET, 1); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, DPHY_RESET, 0); + } + + /* Configure DPHY settings */ + REG_UPDATE_3(DP_DPHY_SYM32_CONTROL, + DPHY_ENABLE, 1, + PRECODER_ENABLE, 1, + NUM_LANES, num_lanes == LANE_COUNT_ONE ? 0 : num_lanes == LANE_COUNT_TWO ? 1 : 3); +} + +void dcn31_hpo_dp_link_enc_disable( + struct hpo_dp_link_encoder *enc) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + + /* Configure DPHY settings */ + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + DPHY_ENABLE, 0); + + /* Shut down clock last */ + REG_UPDATE(DP_LINK_ENC_CLOCK_CONTROL, DP_LINK_ENC_CLOCK_EN, 0); +} + +void dcn31_hpo_dp_link_enc_set_link_test_pattern( + struct hpo_dp_link_encoder *enc, + struct encoder_set_dp_phy_pattern_param *tp_params) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t tp_custom; + + switch (tp_params->dp_phy_pattern) { + case DP_TEST_PATTERN_VIDEO_MODE: + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_LINK_ACTIVE); + break; + case DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE: + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_LINK_TRAINING_TPS1); + break; + case DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE: + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_LINK_TRAINING_TPS2); + break; + case DP_TEST_PATTERN_128b_132b_TPS1: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_TPS1, + TP_SELECT1, DP_DPHY_TP_SELECT_TPS1, + TP_SELECT2, DP_DPHY_TP_SELECT_TPS1, + TP_SELECT3, DP_DPHY_TP_SELECT_TPS1); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_128b_132b_TPS2: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_TPS2, + TP_SELECT1, DP_DPHY_TP_SELECT_TPS2, + TP_SELECT2, DP_DPHY_TP_SELECT_TPS2, + TP_SELECT3, DP_DPHY_TP_SELECT_TPS2); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS7: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS7, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS7, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS7, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS7); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS9: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS9, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS9, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS9, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS9); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS11: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS11, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS11, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS11, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS11); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS15: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS15, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS15, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS15, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS15); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS23: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS23, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS23, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS23, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS23); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_PRBS31: + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_PRBS_SEL0, DP_DPHY_TP_PRBS31, + TP_PRBS_SEL1, DP_DPHY_TP_PRBS31, + TP_PRBS_SEL2, DP_DPHY_TP_PRBS31, + TP_PRBS_SEL3, DP_DPHY_TP_PRBS31); + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT1, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT2, DP_DPHY_TP_SELECT_PRBS, + TP_SELECT3, DP_DPHY_TP_SELECT_PRBS); + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_264BIT_CUSTOM: + tp_custom = (tp_params->custom_pattern[2] << 16) | (tp_params->custom_pattern[1] << 8) | tp_params->custom_pattern[0]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM0, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[5] << 16) | (tp_params->custom_pattern[4] << 8) | tp_params->custom_pattern[3]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM1, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[8] << 16) | (tp_params->custom_pattern[7] << 8) | tp_params->custom_pattern[6]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM2, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[11] << 16) | (tp_params->custom_pattern[10] << 8) | tp_params->custom_pattern[9]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM3, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[14] << 16) | (tp_params->custom_pattern[13] << 8) | tp_params->custom_pattern[12]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM4, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[17] << 16) | (tp_params->custom_pattern[16] << 8) | tp_params->custom_pattern[15]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM5, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[20] << 16) | (tp_params->custom_pattern[19] << 8) | tp_params->custom_pattern[18]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM6, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[23] << 16) | (tp_params->custom_pattern[22] << 8) | tp_params->custom_pattern[21]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM7, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[26] << 16) | (tp_params->custom_pattern[25] << 8) | tp_params->custom_pattern[24]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM8, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[29] << 16) | (tp_params->custom_pattern[28] << 8) | tp_params->custom_pattern[27]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM9, 0, TP_CUSTOM, tp_custom); + tp_custom = (tp_params->custom_pattern[32] << 16) | (tp_params->custom_pattern[31] << 8) | tp_params->custom_pattern[30]; + REG_SET(DP_DPHY_SYM32_TP_CUSTOM10, 0, TP_CUSTOM, tp_custom); + + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_CUSTOM, + TP_SELECT1, DP_DPHY_TP_SELECT_CUSTOM, + TP_SELECT2, DP_DPHY_TP_SELECT_CUSTOM, + TP_SELECT3, DP_DPHY_TP_SELECT_CUSTOM); + + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + case DP_TEST_PATTERN_SQUARE_PULSE: + REG_SET(DP_DPHY_SYM32_TP_SQ_PULSE, 0, + TP_SQ_PULSE_WIDTH, tp_params->custom_pattern[0]); + + REG_UPDATE_4(DP_DPHY_SYM32_TP_CONFIG, + TP_SELECT0, DP_DPHY_TP_SELECT_SQUARE, + TP_SELECT1, DP_DPHY_TP_SELECT_SQUARE, + TP_SELECT2, DP_DPHY_TP_SELECT_SQUARE, + TP_SELECT3, DP_DPHY_TP_SELECT_SQUARE); + + REG_UPDATE(DP_DPHY_SYM32_CONTROL, + MODE, DP2_TEST_PATTERN); + break; + default: + break; + } +} + +static void fill_stream_allocation_row_info( + const struct link_mst_stream_allocation *stream_allocation, + uint32_t *src, + uint32_t *slots) +{ + const struct hpo_dp_stream_encoder *stream_enc = stream_allocation->hpo_dp_stream_enc; + + if (stream_enc && (stream_enc->id >= ENGINE_ID_HPO_DP_0)) { + *src = stream_enc->id - ENGINE_ID_HPO_DP_0; + *slots = stream_allocation->slot_count; + } else { + *src = 0; + *slots = 0; + } +} + +/* programs DP VC payload allocation */ +void dcn31_hpo_dp_link_enc_update_stream_allocation_table( + struct hpo_dp_link_encoder *enc, + const struct link_mst_stream_allocation_table *table) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t value0 = 0; + uint32_t value1 = 0; + uint32_t value2 = 0; + uint32_t slots = 0; + uint32_t src = 0; + uint32_t retries = 0; + + /* --- Set MSE Stream Attribute - + * Setup VC Payload Table on Tx Side, + * Issue allocation change trigger + * to commit payload on both tx and rx side + */ + + /* we should clean-up table each time */ + + if (table->stream_count >= 1) { + fill_stream_allocation_row_info( + &table->stream_allocations[0], + &src, + &slots); + } else { + src = 0; + slots = 0; + } + + REG_UPDATE_2(DP_DPHY_SYM32_SAT_VC0, + SAT_STREAM_SOURCE, src, + SAT_SLOT_COUNT, slots); + + if (table->stream_count >= 2) { + fill_stream_allocation_row_info( + &table->stream_allocations[1], + &src, + &slots); + } else { + src = 0; + slots = 0; + } + + REG_UPDATE_2(DP_DPHY_SYM32_SAT_VC1, + SAT_STREAM_SOURCE, src, + SAT_SLOT_COUNT, slots); + + if (table->stream_count >= 3) { + fill_stream_allocation_row_info( + &table->stream_allocations[2], + &src, + &slots); + } else { + src = 0; + slots = 0; + } + + REG_UPDATE_2(DP_DPHY_SYM32_SAT_VC2, + SAT_STREAM_SOURCE, src, + SAT_SLOT_COUNT, slots); + + if (table->stream_count >= 4) { + fill_stream_allocation_row_info( + &table->stream_allocations[3], + &src, + &slots); + } else { + src = 0; + slots = 0; + } + + REG_UPDATE_2(DP_DPHY_SYM32_SAT_VC3, + SAT_STREAM_SOURCE, src, + SAT_SLOT_COUNT, slots); + + /* --- wait for transaction finish */ + + /* send allocation change trigger (ACT) + * this step first sends the ACT, + * then double buffers the SAT into the hardware + * making the new allocation active on the DP MST mode link + */ + + /* SAT_UPDATE: + * 0 - No Action + * 1 - Update SAT with trigger + * 2 - Update SAT without trigger + */ + REG_UPDATE(DP_DPHY_SYM32_SAT_UPDATE, + SAT_UPDATE, 1); + + /* wait for update to complete + * (i.e. SAT_UPDATE_PENDING field is set to 0) + * No need for HW to enforce keepout. + */ + /* Best case and worst case wait time for SAT_UPDATE_PENDING + * best: 109 us + * worst: 868 us + */ + REG_WAIT(DP_DPHY_SYM32_STATUS, + SAT_UPDATE_PENDING, 0, + 10, DP_SAT_UPDATE_MAX_RETRY); +} + +void dcn31_hpo_dp_link_enc_set_throttled_vcp_size( + struct hpo_dp_link_encoder *enc, + uint32_t stream_encoder_inst, + struct fixed31_32 avg_time_slots_per_mtp) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t x = dc_fixpt_floor( + avg_time_slots_per_mtp); + uint32_t y = dc_fixpt_ceil( + dc_fixpt_shl( + dc_fixpt_sub_int( + avg_time_slots_per_mtp, + x), + 25)); + + switch (stream_encoder_inst) { + case 0: + REG_SET_2(DP_DPHY_SYM32_VC_RATE_CNTL0, 0, + STREAM_VC_RATE_X, x, + STREAM_VC_RATE_Y, y); + break; + case 1: + REG_SET_2(DP_DPHY_SYM32_VC_RATE_CNTL1, 0, + STREAM_VC_RATE_X, x, + STREAM_VC_RATE_Y, y); + break; + case 2: + REG_SET_2(DP_DPHY_SYM32_VC_RATE_CNTL2, 0, + STREAM_VC_RATE_X, x, + STREAM_VC_RATE_Y, y); + break; + case 3: + REG_SET_2(DP_DPHY_SYM32_VC_RATE_CNTL3, 0, + STREAM_VC_RATE_X, x, + STREAM_VC_RATE_Y, y); + break; + default: + ASSERT(0); + } + + /* Best case and worst case wait time for RATE_UPDATE_PENDING + * best: 116 ns + * worst: 903 ns + */ + /* wait for update to be completed on the link */ + REG_WAIT(DP_DPHY_SYM32_STATUS, + RATE_UPDATE_PENDING, 0, + 1, 10); +} + +static bool dcn31_hpo_dp_link_enc_is_in_alt_mode( + struct hpo_dp_link_encoder *enc) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + uint32_t dp_alt_mode_disable = 0; + + ASSERT((enc->transmitter >= TRANSMITTER_UNIPHY_A) && (enc->transmitter <= TRANSMITTER_UNIPHY_E)); + + /* if value == 1 alt mode is disabled, otherwise it is enabled */ + REG_GET(RDPCSTX_PHY_CNTL6[enc->transmitter], RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); + return (dp_alt_mode_disable == 0); +} + +void dcn31_hpo_dp_link_enc_read_state( + struct hpo_dp_link_encoder *enc, + struct hpo_dp_link_enc_state *state) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + + ASSERT(state); + + REG_GET(DP_DPHY_SYM32_STATUS, + STATUS, &state->link_enc_enabled); + REG_GET(DP_DPHY_SYM32_CONTROL, + NUM_LANES, &state->lane_count); + REG_GET(DP_DPHY_SYM32_CONTROL, + MODE, (uint32_t *)&state->link_mode); + + REG_GET_2(DP_DPHY_SYM32_SAT_VC0, + SAT_STREAM_SOURCE, &state->stream_src[0], + SAT_SLOT_COUNT, &state->slot_count[0]); + REG_GET_2(DP_DPHY_SYM32_SAT_VC1, + SAT_STREAM_SOURCE, &state->stream_src[1], + SAT_SLOT_COUNT, &state->slot_count[1]); + REG_GET_2(DP_DPHY_SYM32_SAT_VC2, + SAT_STREAM_SOURCE, &state->stream_src[2], + SAT_SLOT_COUNT, &state->slot_count[2]); + REG_GET_2(DP_DPHY_SYM32_SAT_VC3, + SAT_STREAM_SOURCE, &state->stream_src[3], + SAT_SLOT_COUNT, &state->slot_count[3]); + + REG_GET_2(DP_DPHY_SYM32_VC_RATE_CNTL0, + STREAM_VC_RATE_X, &state->vc_rate_x[0], + STREAM_VC_RATE_Y, &state->vc_rate_y[0]); + REG_GET_2(DP_DPHY_SYM32_VC_RATE_CNTL1, + STREAM_VC_RATE_X, &state->vc_rate_x[1], + STREAM_VC_RATE_Y, &state->vc_rate_y[1]); + REG_GET_2(DP_DPHY_SYM32_VC_RATE_CNTL2, + STREAM_VC_RATE_X, &state->vc_rate_x[2], + STREAM_VC_RATE_Y, &state->vc_rate_y[2]); + REG_GET_2(DP_DPHY_SYM32_VC_RATE_CNTL3, + STREAM_VC_RATE_X, &state->vc_rate_x[3], + STREAM_VC_RATE_Y, &state->vc_rate_y[3]); +} + +static enum bp_result link_transmitter_control( + struct dcn31_hpo_dp_link_encoder *enc3, + struct bp_transmitter_control *cntl) +{ + enum bp_result result; + struct dc_bios *bp = enc3->base.ctx->dc_bios; + + result = bp->funcs->transmitter_control(bp, cntl); + + return result; +} + +/* enables DP PHY output for 128b132b encoding */ +void dcn31_hpo_dp_link_enc_enable_dp_output( + struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + enum transmitter transmitter) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + struct bp_transmitter_control cntl = { 0 }; + enum bp_result result; + + /* Set the transmitter */ + enc3->base.transmitter = transmitter; + + /* Enable the PHY */ + cntl.action = TRANSMITTER_CONTROL_ENABLE; + cntl.engine_id = ENGINE_ID_UNKNOWN; + cntl.transmitter = enc3->base.transmitter; + //cntl.pll_id = clock_source; + cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST; + cntl.lanes_number = link_settings->lane_count; + cntl.hpd_sel = enc3->base.hpd_source; + cntl.pixel_clock = link_settings->link_rate * 1000; + cntl.color_depth = COLOR_DEPTH_UNDEFINED; + cntl.hpo_engine_id = enc->inst + ENGINE_ID_HPO_DP_0; + + result = link_transmitter_control(enc3, &cntl); + + if (result != BP_RESULT_OK) { + DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n", + __func__); + BREAK_TO_DEBUGGER(); + } +} + +void dcn31_hpo_dp_link_enc_disable_output( + struct hpo_dp_link_encoder *enc, + enum signal_type signal) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + struct bp_transmitter_control cntl = { 0 }; + enum bp_result result; + + /* disable transmitter */ + cntl.action = TRANSMITTER_CONTROL_DISABLE; + cntl.transmitter = enc3->base.transmitter; + cntl.hpd_sel = enc3->base.hpd_source; + cntl.signal = signal; + + result = link_transmitter_control(enc3, &cntl); + + if (result != BP_RESULT_OK) { + DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n", + __func__); + BREAK_TO_DEBUGGER(); + return; + } + + /* disable encoder */ + dcn31_hpo_dp_link_enc_disable(enc); +} + +void dcn31_hpo_dp_link_enc_set_ffe( + struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + uint8_t ffe_preset) +{ + struct dcn31_hpo_dp_link_encoder *enc3 = DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(enc); + struct bp_transmitter_control cntl = { 0 }; + enum bp_result result; + + /* disable transmitter */ + cntl.transmitter = enc3->base.transmitter; + cntl.action = TRANSMITTER_CONTROL_SET_VOLTAGE_AND_PREEMPASIS; + cntl.signal = SIGNAL_TYPE_DISPLAY_PORT_MST; + cntl.lanes_number = link_settings->lane_count; + cntl.pixel_clock = link_settings->link_rate * 1000; + cntl.lane_settings = ffe_preset; + + result = link_transmitter_control(enc3, &cntl); + + if (result != BP_RESULT_OK) { + DC_LOG_ERROR("%s: Failed to execute VBIOS command table!\n", + __func__); + BREAK_TO_DEBUGGER(); + return; + } +} + +static struct hpo_dp_link_encoder_funcs dcn31_hpo_dp_link_encoder_funcs = { + .enable_link_phy = dcn31_hpo_dp_link_enc_enable_dp_output, + .disable_link_phy = dcn31_hpo_dp_link_enc_disable_output, + .link_enable = dcn31_hpo_dp_link_enc_enable, + .link_disable = dcn31_hpo_dp_link_enc_disable, + .set_link_test_pattern = dcn31_hpo_dp_link_enc_set_link_test_pattern, + .update_stream_allocation_table = dcn31_hpo_dp_link_enc_update_stream_allocation_table, + .set_throttled_vcp_size = dcn31_hpo_dp_link_enc_set_throttled_vcp_size, + .is_in_alt_mode = dcn31_hpo_dp_link_enc_is_in_alt_mode, + .read_state = dcn31_hpo_dp_link_enc_read_state, + .set_ffe = dcn31_hpo_dp_link_enc_set_ffe, +}; + +void hpo_dp_link_encoder31_construct(struct dcn31_hpo_dp_link_encoder *enc31, + struct dc_context *ctx, + uint32_t inst, + const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs, + const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift, + const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask) +{ + enc31->base.ctx = ctx; + + enc31->base.inst = inst; + enc31->base.funcs = &dcn31_hpo_dp_link_encoder_funcs; + enc31->base.hpd_source = HPD_SOURCEID_UNKNOWN; + enc31->base.transmitter = TRANSMITTER_UNKNOWN; + + enc31->regs = hpo_le_regs; + enc31->hpo_le_shift = hpo_le_shift; + enc31->hpo_le_mask = hpo_le_mask; +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.h new file mode 100644 index 000000000000..0706ccaf6fec --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.h @@ -0,0 +1,222 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef __DAL_DCN31_HPO_DP_LINK_ENCODER_H__ +#define __DAL_DCN31_HPO_DP_LINK_ENCODER_H__ + +#include "link_encoder.h" + + +#define DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(hpo_dp_link_encoder)\ + container_of(hpo_dp_link_encoder, struct dcn31_hpo_dp_link_encoder, base) + + +#define DCN3_1_HPO_DP_LINK_ENC_REG_LIST(id) \ + SRI(DP_LINK_ENC_CLOCK_CONTROL, DP_LINK_ENC, id), \ + SRI(DP_DPHY_SYM32_CONTROL, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_STATUS, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CONFIG, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_PRBS_SEED0, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_PRBS_SEED1, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_PRBS_SEED2, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_PRBS_SEED3, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_SQ_PULSE, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM0, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM1, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM2, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM3, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM4, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM5, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM6, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM7, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM8, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM9, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_TP_CUSTOM10, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_SAT_VC0, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_SAT_VC1, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_SAT_VC2, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_SAT_VC3, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_VC_RATE_CNTL0, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_VC_RATE_CNTL1, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_VC_RATE_CNTL2, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_VC_RATE_CNTL3, DP_DPHY_SYM32, id), \ + SRI(DP_DPHY_SYM32_SAT_UPDATE, DP_DPHY_SYM32, id) + +#define DCN3_1_RDPCSTX_REG_LIST(id) \ + SRII(RDPCSTX_PHY_CNTL6, RDPCSTX, id) + + +#define DCN3_1_HPO_DP_LINK_ENC_REGS \ + uint32_t DP_LINK_ENC_CLOCK_CONTROL;\ + uint32_t DP_DPHY_SYM32_CONTROL;\ + uint32_t DP_DPHY_SYM32_STATUS;\ + uint32_t DP_DPHY_SYM32_TP_CONFIG;\ + uint32_t DP_DPHY_SYM32_TP_PRBS_SEED0;\ + uint32_t DP_DPHY_SYM32_TP_PRBS_SEED1;\ + uint32_t DP_DPHY_SYM32_TP_PRBS_SEED2;\ + uint32_t DP_DPHY_SYM32_TP_PRBS_SEED3;\ + uint32_t DP_DPHY_SYM32_TP_SQ_PULSE;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM0;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM1;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM2;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM3;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM4;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM5;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM6;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM7;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM8;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM9;\ + uint32_t DP_DPHY_SYM32_TP_CUSTOM10;\ + uint32_t DP_DPHY_SYM32_SAT_VC0;\ + uint32_t DP_DPHY_SYM32_SAT_VC1;\ + uint32_t DP_DPHY_SYM32_SAT_VC2;\ + uint32_t DP_DPHY_SYM32_SAT_VC3;\ + uint32_t DP_DPHY_SYM32_VC_RATE_CNTL0;\ + uint32_t DP_DPHY_SYM32_VC_RATE_CNTL1;\ + uint32_t DP_DPHY_SYM32_VC_RATE_CNTL2;\ + uint32_t DP_DPHY_SYM32_VC_RATE_CNTL3;\ + uint32_t DP_DPHY_SYM32_SAT_UPDATE + +struct dcn31_hpo_dp_link_encoder_registers { + DCN3_1_HPO_DP_LINK_ENC_REGS; + uint32_t RDPCSTX_PHY_CNTL6[5]; +}; + +#define DCN3_1_HPO_DP_LINK_ENC_MASK_SH_LIST(mask_sh)\ + SE_SF(DP_LINK_ENC0_DP_LINK_ENC_CLOCK_CONTROL, DP_LINK_ENC_CLOCK_EN, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, DPHY_RESET, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, DPHY_ENABLE, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, PRECODER_ENABLE, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, MODE, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_CONTROL, NUM_LANES, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, STATUS, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, SAT_UPDATE_PENDING, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_STATUS, RATE_UPDATE_PENDING, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CUSTOM0, TP_CUSTOM, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT0, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT1, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT2, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_SELECT3, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL0, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL1, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL2, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_CONFIG, TP_PRBS_SEL3, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_TP_SQ_PULSE, TP_SQ_PULSE_WIDTH, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_VC0, SAT_STREAM_SOURCE, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_VC0, SAT_SLOT_COUNT, mask_sh),\ + SE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_VC_RATE_CNTL0, STREAM_VC_RATE_X, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_VC_RATE_CNTL0, STREAM_VC_RATE_Y, mask_sh),\ + SE_SF(DP_DPHY_SYM320_DP_DPHY_SYM32_SAT_UPDATE, SAT_UPDATE, mask_sh) + +#define DCN3_1_HPO_DP_LINK_ENC_REG_FIELD_LIST(type) \ + type DP_LINK_ENC_CLOCK_EN;\ + type DPHY_RESET;\ + type DPHY_ENABLE;\ + type PRECODER_ENABLE;\ + type NUM_LANES;\ + type MODE;\ + type STATUS;\ + type SAT_UPDATE_PENDING;\ + type RATE_UPDATE_PENDING;\ + type TP_CUSTOM;\ + type TP_SELECT0;\ + type TP_SELECT1;\ + type TP_SELECT2;\ + type TP_SELECT3;\ + type TP_PRBS_SEL0;\ + type TP_PRBS_SEL1;\ + type TP_PRBS_SEL2;\ + type TP_PRBS_SEL3;\ + type TP_SQ_PULSE_WIDTH;\ + type SAT_STREAM_SOURCE;\ + type SAT_SLOT_COUNT;\ + type STREAM_VC_RATE_X;\ + type STREAM_VC_RATE_Y;\ + type SAT_UPDATE;\ + type RDPCS_PHY_DPALT_DISABLE + + +struct dcn31_hpo_dp_link_encoder_shift { + DCN3_1_HPO_DP_LINK_ENC_REG_FIELD_LIST(uint8_t); +}; + +struct dcn31_hpo_dp_link_encoder_mask { + DCN3_1_HPO_DP_LINK_ENC_REG_FIELD_LIST(uint32_t); +}; + +struct dcn31_hpo_dp_link_encoder { + struct hpo_dp_link_encoder base; + const struct dcn31_hpo_dp_link_encoder_registers *regs; + const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift; + const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask; +}; + +void hpo_dp_link_encoder31_construct(struct dcn31_hpo_dp_link_encoder *enc31, + struct dc_context *ctx, + uint32_t inst, + const struct dcn31_hpo_dp_link_encoder_registers *hpo_le_regs, + const struct dcn31_hpo_dp_link_encoder_shift *hpo_le_shift, + const struct dcn31_hpo_dp_link_encoder_mask *hpo_le_mask); + +void dcn31_hpo_dp_link_enc_enable_dp_output( + struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + enum transmitter transmitter); + +void dcn31_hpo_dp_link_enc_disable_output( + struct hpo_dp_link_encoder *enc, + enum signal_type signal); + +void dcn31_hpo_dp_link_enc_enable( + struct hpo_dp_link_encoder *enc, + enum dc_lane_count num_lanes); + +void dcn31_hpo_dp_link_enc_disable( + struct hpo_dp_link_encoder *enc); + +void dcn31_hpo_dp_link_enc_set_link_test_pattern( + struct hpo_dp_link_encoder *enc, + struct encoder_set_dp_phy_pattern_param *tp_params); + +void dcn31_hpo_dp_link_enc_update_stream_allocation_table( + struct hpo_dp_link_encoder *enc, + const struct link_mst_stream_allocation_table *table); + +void dcn31_hpo_dp_link_enc_set_throttled_vcp_size( + struct hpo_dp_link_encoder *enc, + uint32_t stream_encoder_inst, + struct fixed31_32 avg_time_slots_per_mtp); + +void dcn31_hpo_dp_link_enc_read_state( + struct hpo_dp_link_encoder *enc, + struct hpo_dp_link_enc_state *state); + +void dcn31_hpo_dp_link_enc_set_ffe( + struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + uint8_t ffe_preset); + +#endif // __DAL_DCN31_HPO_LINK_ENCODER_H__ diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index 1994a8d3883d..f264a32ebade 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -53,6 +53,7 @@ #include "dcn30/dcn30_afmt.h" #include "dcn30/dcn30_dio_stream_encoder.h" #include "dcn31/dcn31_hpo_dp_stream_encoder.h" +#include "dcn31/dcn31_hpo_dp_link_encoder.h" #include "dcn31/dcn31_apg.h" #include "dcn31/dcn31_dio_link_encoder.h" #include "dce/dce_clock_source.h" @@ -585,6 +586,29 @@ static const struct dcn31_hpo_dp_stream_encoder_mask hpo_dp_se_mask = { DCN3_1_HPO_DP_STREAM_ENC_MASK_SH_LIST(_MASK) }; +#define hpo_dp_link_encoder_reg_list(id)\ +[id] = {\ + DCN3_1_HPO_DP_LINK_ENC_REG_LIST(id),\ + DCN3_1_RDPCSTX_REG_LIST(0),\ + DCN3_1_RDPCSTX_REG_LIST(1),\ + DCN3_1_RDPCSTX_REG_LIST(2),\ + DCN3_1_RDPCSTX_REG_LIST(3),\ + DCN3_1_RDPCSTX_REG_LIST(4)\ +} + +static const struct dcn31_hpo_dp_link_encoder_registers hpo_dp_link_enc_regs[] = { + hpo_dp_link_encoder_reg_list(0), + hpo_dp_link_encoder_reg_list(1), +}; + +static const struct dcn31_hpo_dp_link_encoder_shift hpo_dp_le_shift = { + DCN3_1_HPO_DP_LINK_ENC_MASK_SH_LIST(__SHIFT) +}; + +static const struct dcn31_hpo_dp_link_encoder_mask hpo_dp_le_mask = { + DCN3_1_HPO_DP_LINK_ENC_MASK_SH_LIST(_MASK) +}; + static const struct dcn3_dpp_registers dpp_regs[] = { dpp_regs(0), dpp_regs(1), @@ -922,6 +946,7 @@ static const struct resource_caps res_cap_dcn31 = { .num_stream_encoder = 5, .num_dig_link_enc = 5, .num_hpo_dp_stream_encoder = 4, + .num_hpo_dp_link_encoder = 2, .num_pll = 5, .num_dwb = 1, .num_ddc = 5, @@ -1398,6 +1423,22 @@ static struct hpo_dp_stream_encoder *dcn31_hpo_dp_stream_encoder_create( return &hpo_dp_enc31->base; } +static struct hpo_dp_link_encoder *dcn31_hpo_dp_link_encoder_create( + uint8_t inst, + struct dc_context *ctx) +{ + struct dcn31_hpo_dp_link_encoder *hpo_dp_enc31; + + /* allocate HPO link encoder */ + hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + + hpo_dp_link_encoder31_construct(hpo_dp_enc31, ctx, inst, + &hpo_dp_link_enc_regs[inst], + &hpo_dp_le_shift, &hpo_dp_le_mask); + + return &hpo_dp_enc31->base; +} + static struct dce_hwseq *dcn31_hwseq_create( struct dc_context *ctx) { @@ -1416,6 +1457,7 @@ static const struct resource_create_funcs res_create_funcs = { .create_audio = dcn31_create_audio, .create_stream_encoder = dcn31_stream_encoder_create, .create_hpo_dp_stream_encoder = dcn31_hpo_dp_stream_encoder_create, + .create_hpo_dp_link_encoder = dcn31_hpo_dp_link_encoder_create, .create_hwseq = dcn31_hwseq_create, }; @@ -1424,6 +1466,7 @@ static const struct resource_create_funcs res_create_maximus_funcs = { .create_audio = NULL, .create_stream_encoder = NULL, .create_hpo_dp_stream_encoder = dcn31_hpo_dp_stream_encoder_create, + .create_hpo_dp_link_encoder = dcn31_hpo_dp_link_encoder_create, .create_hwseq = dcn31_hwseq_create, }; @@ -1461,6 +1504,13 @@ static void dcn31_resource_destruct(struct dcn31_resource_pool *pool) } } + for (i = 0; i < pool->base.hpo_dp_link_enc_count; i++) { + if (pool->base.hpo_dp_link_enc[i] != NULL) { + kfree(DCN3_1_HPO_DP_LINK_ENC_FROM_HPO_LINK_ENC(pool->base.hpo_dp_link_enc[i])); + pool->base.hpo_dp_link_enc[i] = NULL; + } + } + for (i = 0; i < pool->base.res_cap->num_dsc; i++) { if (pool->base.dscs[i] != NULL) dcn20_dsc_destroy(&pool->base.dscs[i]); diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index 3b19e912bb78..ae7079588052 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -248,6 +248,8 @@ struct resource_pool { unsigned int hpo_dp_stream_enc_count; struct hpo_dp_stream_encoder *hpo_dp_stream_enc[MAX_HPO_DP2_ENCODERS]; + unsigned int hpo_dp_link_enc_count; + struct hpo_dp_link_encoder *hpo_dp_link_enc[MAX_HPO_DP2_LINK_ENCODERS]; #if defined(CONFIG_DRM_AMD_DC_DCN) struct dc_3dlut *mpc_lut[MAX_PIPES]; struct dc_transfer_func *mpc_shaper[MAX_PIPES]; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h index 4797852ce35a..d89bd55f110f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h @@ -39,6 +39,7 @@ #define MAX_DIG_LINK_ENCODERS 7 #define MAX_DWB_PIPES 1 #define MAX_HPO_DP2_ENCODERS 4 +#define MAX_HPO_DP2_LINK_ENCODERS 2 struct gamma_curve { uint32_t offset; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h index 9eaf345aa2a1..58db885e4d12 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h @@ -210,4 +210,89 @@ struct link_enc_assignment { enum engine_id eng_id; }; +enum dp2_link_mode { + DP2_LINK_TRAINING_TPS1, + DP2_LINK_TRAINING_TPS2, + DP2_LINK_ACTIVE, + DP2_TEST_PATTERN +}; + +enum dp2_phy_tp_select { + DP_DPHY_TP_SELECT_TPS1, + DP_DPHY_TP_SELECT_TPS2, + DP_DPHY_TP_SELECT_PRBS, + DP_DPHY_TP_SELECT_CUSTOM, + DP_DPHY_TP_SELECT_SQUARE +}; + +enum dp2_phy_tp_prbs { + DP_DPHY_TP_PRBS7, + DP_DPHY_TP_PRBS9, + DP_DPHY_TP_PRBS11, + DP_DPHY_TP_PRBS15, + DP_DPHY_TP_PRBS23, + DP_DPHY_TP_PRBS31 +}; + +struct hpo_dp_link_enc_state { + uint32_t link_enc_enabled; + uint32_t link_mode; + uint32_t lane_count; + uint32_t slot_count[4]; + uint32_t stream_src[4]; + uint32_t vc_rate_x[4]; + uint32_t vc_rate_y[4]; +}; + +struct hpo_dp_link_encoder { + const struct hpo_dp_link_encoder_funcs *funcs; + struct dc_context *ctx; + int inst; + enum engine_id preferred_engine; + enum transmitter transmitter; + enum hpd_source_id hpd_source; +}; + +struct hpo_dp_link_encoder_funcs { + + void (*enable_link_phy)(struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + enum transmitter transmitter); + + void (*disable_link_phy)(struct hpo_dp_link_encoder *link_enc, + enum signal_type signal); + + void (*link_enable)( + struct hpo_dp_link_encoder *enc, + enum dc_lane_count num_lanes); + + void (*link_disable)( + struct hpo_dp_link_encoder *enc); + + void (*set_link_test_pattern)( + struct hpo_dp_link_encoder *enc, + struct encoder_set_dp_phy_pattern_param *tp_params); + + void (*update_stream_allocation_table)( + struct hpo_dp_link_encoder *enc, + const struct link_mst_stream_allocation_table *table); + + void (*set_throttled_vcp_size)( + struct hpo_dp_link_encoder *enc, + uint32_t stream_encoder_inst, + struct fixed31_32 avg_time_slots_per_mtp); + + bool (*is_in_alt_mode) ( + struct hpo_dp_link_encoder *enc); + + void (*read_state)( + struct hpo_dp_link_encoder *enc, + struct hpo_dp_link_enc_state *state); + + void (*set_ffe)( + struct hpo_dp_link_encoder *enc, + const struct dc_link_settings *link_settings, + uint8_t ffe_preset); +}; + #endif /* LINK_ENCODER_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h index dd7f96e48c3e..ceafcdb3c929 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -50,6 +50,7 @@ struct resource_caps { int num_dsc; unsigned int num_dig_link_enc; // Total number of DIGs (digital encoders) in DIO (Display Input/Output). int num_hpo_dp_stream_encoder; + int num_hpo_dp_link_encoder; int num_mpc_3dlut; }; @@ -72,6 +73,10 @@ struct resource_create_funcs { struct hpo_dp_stream_encoder *(*create_hpo_dp_stream_encoder)( enum engine_id eng_id, struct dc_context *ctx); + struct hpo_dp_link_encoder *(*create_hpo_dp_link_encoder)( + uint8_t inst, + struct dc_context *ctx); + struct dce_hwseq *(*create_hwseq)( struct dc_context *ctx); }; diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h index 32f5274ed34e..3def204c6695 100644 --- a/drivers/gpu/drm/amd/display/include/link_service_types.h +++ b/drivers/gpu/drm/amd/display/include/link_service_types.h @@ -114,13 +114,24 @@ enum dp_test_pattern { DP_TEST_PATTERN_CP2520_2, DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE = DP_TEST_PATTERN_CP2520_2, DP_TEST_PATTERN_CP2520_3, + DP_TEST_PATTERN_128b_132b_TPS1, + DP_TEST_PATTERN_128b_132b_TPS2, + DP_TEST_PATTERN_PRBS9, + DP_TEST_PATTERN_PRBS11, + DP_TEST_PATTERN_PRBS15, + DP_TEST_PATTERN_PRBS23, + DP_TEST_PATTERN_PRBS31, + DP_TEST_PATTERN_264BIT_CUSTOM, + DP_TEST_PATTERN_SQUARE_PULSE, /* Link Training Patterns */ DP_TEST_PATTERN_TRAINING_PATTERN1, DP_TEST_PATTERN_TRAINING_PATTERN2, DP_TEST_PATTERN_TRAINING_PATTERN3, DP_TEST_PATTERN_TRAINING_PATTERN4, - DP_TEST_PATTERN_PHY_PATTERN_END = DP_TEST_PATTERN_TRAINING_PATTERN4, + DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE, + DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE, + DP_TEST_PATTERN_PHY_PATTERN_END = DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE, /* link test patterns*/ DP_TEST_PATTERN_COLOR_SQUARES, -- 2.25.1