[2/5] drm: msm: a6xx: Add support for A618

Message ID	0101016ecc4c1fd1-763cbe42-e05c-4591-b7bc-43035a1fa4d3-000000@us-west-2.amazonses.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <SRS0=5Ucz=ZZ=vger.kernel.org=linux-arm-msm-owner@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5A91FC447A5 From: Sharat Masetty <smasetty@codeaurora.org> To: freedreno@lists.freedesktop.org Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org, Sharat Masetty <smasetty@codeaurora.org> Subject: [PATCH 2/5] drm: msm: a6xx: Add support for A618 Date: Tue, 3 Dec 2019 15:06:11 +0000 Message-ID: <0101016ecc4c1fd1-763cbe42-e05c-4591-b7bc-43035a1fa4d3-000000@us-west-2.amazonses.com> In-Reply-To: <1575385543-11290-1-git-send-email-smasetty@codeaurora.org> References: <1575385543-11290-1-git-send-email-smasetty@codeaurora.org> Feedback-ID: 1.us-west-2.CZuq2qbDmUIuT3qdvXlRHZZCpfZqZ4GtG9v3VKgRyF0=:AmazonSES Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk
Series	Add support for A618 GPU \| expand [0/5] Add support for A618 GPU [1/5] drm: msm: Add 618 gpu to the adreno gpu list [2/5] drm: msm: a6xx: Add support for A618 [3/5] drm: msm: a6xx: Dump GBIF registers, debugbus in gpu state [4/5] drm: msm: a6xx: fix debug bus register configuration [5/5] arm: dts: sc7180: Add A618 gpu dt blob

diff --git a/drivers/gpu/drm/msm/adreno/a6xx.xml.h b/drivers/gpu/drm/msm/adreno/a6xx.xml.h index f44553e..ed78fee 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx.xml.h +++ b/drivers/gpu/drm/msm/adreno/a6xx.xml.h @@ -16,11 +16,11 @@ - /home/robclark/src/envytools/rnndb/adreno/a3xx.xml ( 83840 bytes, from 2018-07-03 19:37:13) - /home/robclark/src/envytools/rnndb/adreno/a4xx.xml ( 112086 bytes, from 2018-07-03 19:37:13) - /home/robclark/src/envytools/rnndb/adreno/a5xx.xml ( 147240 bytes, from 2018-12-02 17:29:54) -- /home/robclark/src/envytools/rnndb/adreno/a6xx.xml ( 140790 bytes, from 2018-12-02 17:29:54) +- /home/smasetty/playarea/envytools/rnndb/adreno/a6xx.xml ( 161969 bytes, from 2019-11-29 07:18:16) - /home/robclark/src/envytools/rnndb/adreno/a6xx_gmu.xml ( 10431 bytes, from 2018-09-14 13:03:07) - /home/robclark/src/envytools/rnndb/adreno/ocmem.xml ( 1773 bytes, from 2018-07-03 19:37:13) -Copyright (C) 2013-2018 by the following authors: +Copyright (C) 2013-2019 by the following authors: - Rob Clark <robdclark@gmail.com> (robclark) - Ilia Mirkin <imirkin@alum.mit.edu> (imirkin) @@ -2519,6 +2519,54 @@ static inline uint32_t A6XX_VBIF_TEST_BUS2_CTRL1_DATA_SEL(uint32_t val) #define REG_A6XX_VBIF_PERF_PWR_CNT_HIGH2 0x0000311a +#define REG_A6XX_GBIF_SCACHE_CNTL1 0x00003c02 + +#define REG_A6XX_GBIF_QSB_SIDE0 0x00003c03 + +#define REG_A6XX_GBIF_QSB_SIDE1 0x00003c04 + +#define REG_A6XX_GBIF_QSB_SIDE2 0x00003c05 + +#define REG_A6XX_GBIF_QSB_SIDE3 0x00003c06 + +#define REG_A6XX_GBIF_HALT 0x00003c45 + +#define REG_A6XX_GBIF_HALT_ACK 0x00003c46 + +#define REG_A6XX_GBIF_PERF_PWR_CNT_EN 0x00003cc0 + +#define REG_A6XX_GBIF_PERF_CNT_SEL 0x00003cc2 + +#define REG_A6XX_GBIF_PERF_PWR_CNT_SEL 0x00003cc3 + +#define REG_A6XX_GBIF_PERF_CNT_LOW0 0x00003cc4 + +#define REG_A6XX_GBIF_PERF_CNT_LOW1 0x00003cc5 + +#define REG_A6XX_GBIF_PERF_CNT_LOW2 0x00003cc6 + +#define REG_A6XX_GBIF_PERF_CNT_LOW3 0x00003cc7 + +#define REG_A6XX_GBIF_PERF_CNT_HIGH0 0x00003cc8 + +#define REG_A6XX_GBIF_PERF_CNT_HIGH1 0x00003cc9 + +#define REG_A6XX_GBIF_PERF_CNT_HIGH2 0x00003cca + +#define REG_A6XX_GBIF_PERF_CNT_HIGH3 0x00003ccb + +#define REG_A6XX_GBIF_PWR_CNT_LOW0 0x00003ccc + +#define REG_A6XX_GBIF_PWR_CNT_LOW1 0x00003ccd + +#define REG_A6XX_GBIF_PWR_CNT_LOW2 0x00003cce + +#define REG_A6XX_GBIF_PWR_CNT_HIGH0 0x00003ccf + +#define REG_A6XX_GBIF_PWR_CNT_HIGH1 0x00003cd0 + +#define REG_A6XX_GBIF_PWR_CNT_HIGH2 0x00003cd1 + #define REG_A6XX_RB_WINDOW_OFFSET2 0x000088d4 #define A6XX_RB_WINDOW_OFFSET2_WINDOW_OFFSET_DISABLE 0x80000000 #define A6XX_RB_WINDOW_OFFSET2_X__MASK 0x00007fff diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 85f14fe..158a74c 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. */ +/* Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. */ #include <linux/clk.h> #include <linux/interconnect.h> @@ -433,6 +433,8 @@ static void __iomem *a6xx_gmu_get_mmio(struct platform_device *pdev, static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu) { + struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu); + struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct platform_device *pdev = to_platform_device(gmu->dev); void __iomem *pdcptr = a6xx_gmu_get_mmio(pdev, "gmu_pdc"); void __iomem *seqptr = a6xx_gmu_get_mmio(pdev, "gmu_pdc_seq"); @@ -480,20 +482,34 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu) pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_MSGID + 4, 0x10108); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_ADDR + 4, 0x30000); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_DATA + 4, 0x0); + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_MSGID + 8, 0x10108); - pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_ADDR + 8, 0x30080); + if (adreno_is_a618(adreno_gpu)) + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_ADDR + 8, 0x30090); + else + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_ADDR + 8, 0x30080); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS1_CMD0_DATA + 8, 0x0); + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD_ENABLE_BANK, 7); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD_WAIT_FOR_CMPL_BANK, 0); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CONTROL, 0); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_MSGID, 0x10108); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR, 0x30010); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA, 2); + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_MSGID + 4, 0x10108); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR + 4, 0x30000); - pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 4, 0x3); + if (adreno_is_a618(adreno_gpu)) + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 4, 0x2); + else + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 4, 0x3); + + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_MSGID + 8, 0x10108); - pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR + 8, 0x30080); + if (adreno_is_a618(adreno_gpu)) + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR + 8, 0x30090); + else + pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR + 8, 0x30080); pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 8, 0x3); /* Setup GPU PDC */ diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index dc8ec2c..6fdffae 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. */ +/* Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. */ #include "msm_gem.h" @@ -378,6 +378,18 @@ static int a6xx_hw_init(struct msm_gpu *gpu) struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); int ret; + /* + * During a previous slumber, GBIF halt is asserted to ensure + * no further transaction can go through GPU before GPU + * headswitch is turned off. + * + * This halt is deasserted once headswitch goes off but + * incase headswitch doesn't goes off clear GBIF halt + * here to ensure GPU wake-up doesn't fail because of + * halted GPU transactions. + */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0); + /* Make sure the GMU keeps the GPU on while we set it up */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); @@ -406,12 +418,17 @@ static int a6xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1); - /* enable hardware clockgating */ - a6xx_set_hwcg(gpu, true); + /* + * enable hardware clockgating + * For now enable clock gating only for a630 + */ + if (adreno_is_a630(adreno_gpu)) + a6xx_set_hwcg(gpu, true); - /* VBIF start */ - gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009); + /* VBIF/GBIF start*/ gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3); + if (adreno_is_a630(adreno_gpu)) + gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009); /* Make all blocks contribute to the GPU BUSY perf counter */ gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xffffffff); @@ -724,6 +741,39 @@ static irqreturn_t a6xx_irq(struct msm_gpu *gpu) REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A6XX_CP_RB_CNTL), }; +#define GBIF_CLIENT_HALT_MASK BIT(0) +#define GBIF_ARB_HALT_MASK BIT(1) + +static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu) +{ + struct msm_gpu *gpu = &adreno_gpu->base; + + if(!a6xx_has_gbif(adreno_gpu)){ + gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf); + spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & + 0xf) == 0xf); + gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0); + + return; + } + + /* Halt new client requests on GBIF */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK); + spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & + (GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK); + + /* Halt all AXI requests on GBIF */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK); + spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & + (GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK); + + /* + * GMU needs DDR access in slumber path. Deassert GBIF halt now + * to allow for GMU to access system memory. + */ + gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0); +} + static int a6xx_pm_resume(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); @@ -748,6 +798,16 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu) devfreq_suspend_device(gpu->devfreq.devfreq); + /* + * Make sure the GMU is idle before continuing (because some transitions + * may use VBIF + */ + a6xx_gmu_wait_for_idle(&a6xx_gpu->gmu); + + /* Clear the VBIF pipe before shutting down */ + /* FIXME: This accesses the GPU - do we need to make sure it is on? */ + a6xx_bus_clear_pending_transactions(adreno_gpu); + return a6xx_gmu_stop(a6xx_gpu); } diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h index 6439955..7239b8b 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (c) 2017 The Linux Foundation. All rights reserved. */ +/* Copyright (c) 2017, 2019 The Linux Foundation. All rights reserved. */ #ifndef __A6XX_GPU_H__ #define __A6XX_GPU_H__ @@ -42,6 +42,13 @@ struct a6xx_gpu { #define A6XX_PROTECT_RDONLY(_reg, _len) \ ((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF)) +static inline bool a6xx_has_gbif(struct adreno_gpu *gpu) +{ + if(adreno_is_a630(gpu)) + return false; + + return true; +} int a6xx_gmu_resume(struct a6xx_gpu *gpu); int a6xx_gmu_stop(struct a6xx_gpu *gpu); diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index c7441fb..e12d5a9 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -3,7 +3,7 @@ * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> * - * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved. + * Copyright (c) 2014,2017, 2019 The Linux Foundation. All rights reserved. */ #ifndef __ADRENO_GPU_H__ @@ -216,6 +216,16 @@ static inline int adreno_is_a540(struct adreno_gpu *gpu) return gpu->revn == 540; } +static inline int adreno_is_a618(struct adreno_gpu *gpu) +{ + return gpu->revn == 618; +} + +static inline int adreno_is_a630(struct adreno_gpu *gpu) +{ + return gpu->revn == 630; +} + int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value); const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu, const char *fwname);

[2/5] drm: msm: a6xx: Add support for A618

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