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[83.9.2.151]) by smtp.gmail.com with ESMTPSA id h23-20020a2ea497000000b0029599744c02sm414838lji.75.2023.02.23.04.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Feb 2023 04:06:58 -0800 (PST) From: Konrad Dybcio Date: Thu, 23 Feb 2023 13:06:43 +0100 Subject: [PATCH v3 09/15] drm/msm/a6xx: Add A610 support MIME-Version: 1.0 Message-Id: <20230223-topic-gmuwrapper-v3-9-5be55a336819@linaro.org> References: <20230223-topic-gmuwrapper-v3-0-5be55a336819@linaro.org> In-Reply-To: <20230223-topic-gmuwrapper-v3-0-5be55a336819@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Akhil P Oommen Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Clark , Konrad Dybcio X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1677154003; l=10114; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=l3UPsuv3BNpqle5KdNAQT/5ssfPQPt3sGkrNv1s+XL8=; b=1dlz9sQsQMuuUDGCCYbDGovyKgZ2Wn8aBfUdE76JXgC6UqjENaNSci+od2271sCaY5/zP3b1TzE/ pN7hgoKAD1+eFwCSXOsABvLTDjn5egE/xhI4tIdEzWjNSTLk6hrO X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org A610 is one of (if not the) lowest-tier SKUs in the A6XX family. It features no GMU, as it's implemented solely on SoCs with SMD_RPM. What's more interesting is that it does not feature a VDDGX line either, being powered solely by VDDCX and has an unfortunate hardware quirk that makes its reset line broken - after a couple of assert/ deassert cycles, it will hang for good and will not wake up again. This GPU requires mesa changes for proper rendering, and lots of them at that. The command streams are quite far away from any other A6XX GPU and hence it needs special care. This patch was validated both by running an (incomplete) downstream mesa with some hacks (frames rendered correctly, though some instructions made the GPU hangcheck which is expected - garbage in, garbage out) and by replaying RD traces captured with the downstream KGSL driver - no crashes there, ever. Add support for this GPU on the kernel side, which comes down to pretty simply adding A612 HWCG tables, altering a few values and adding a special case for handling the reset line. Reviewed-by: Dmitry Baryshkov Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 97 +++++++++++++++++++++++++++--- drivers/gpu/drm/msm/adreno/adreno_device.c | 12 ++++ drivers/gpu/drm/msm/adreno/adreno_gpu.h | 8 ++- 3 files changed, 107 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 0859a6f463f9..b5017c56fa1b 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -254,6 +254,56 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) a6xx_flush(gpu, ring); } +const struct adreno_reglist a612_hwcg[] = { + {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220}, + {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000081}, + {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000f3cf}, + {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222}, + {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111}, + {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111}, + {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111}, + {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111}, + {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777}, + {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777}, + {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777}, + {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777}, + {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01202222}, + {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220}, + {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040f00}, + {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05522022}, + {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555}, + {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011}, + {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044}, + {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222}, + {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222}, + {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x02222222}, + {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002}, + {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222}, + {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000}, + {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222}, + {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200}, + {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000}, + {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000}, + {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000}, + {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004}, + {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000}, + {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222}, + {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004}, + {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002}, + {REG_A6XX_RBBM_ISDB_CNT, 0x00000182}, + {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000}, + {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000}, + {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222}, + {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111}, + {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555}, + {}, +}; + /* For a615 family (a615, a616, a618 and a619) */ const struct adreno_reglist a615_hwcg[] = { {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222}, @@ -604,6 +654,8 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) if (adreno_is_a630(adreno_gpu)) clock_cntl_on = 0x8aa8aa02; + else if (adreno_is_a610(adreno_gpu)) + clock_cntl_on = 0xaaa8aa82; else clock_cntl_on = 0x8aa8aa82; @@ -812,6 +864,13 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu) /* Entirely magic, per-GPU-gen value */ u32 ubwc_mode = 0; + if (adreno_is_a610(adreno_gpu)) { + /* HBB = 14 */ + hbb_lo = 1; + min_acc_len = 1; + ubwc_mode = 1; + } + /* a618 is using the hw default values */ if (adreno_is_a618(adreno_gpu)) return; @@ -1074,13 +1133,13 @@ static int hw_init(struct msm_gpu *gpu) a6xx_set_hwcg(gpu, true); /* VBIF/GBIF start*/ - if (adreno_is_a640_family(adreno_gpu) || + if (adreno_is_a610(adreno_gpu) || + adreno_is_a640_family(adreno_gpu) || adreno_is_a650_family(adreno_gpu)) { gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE0, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE1, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE2, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620); - gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620); gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x3); } else { gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3); @@ -1111,18 +1170,26 @@ static int hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804); gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4); - if (adreno_is_a640_family(adreno_gpu) || - adreno_is_a650_family(adreno_gpu)) + if (adreno_is_a640_family(adreno_gpu) || adreno_is_a650_family(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140); - else + gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); + } else if (adreno_is_a610(adreno_gpu)) { + gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x00800060); + gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x40201b16); + } else { gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0); - gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); + gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); + } if (adreno_is_a660_family(adreno_gpu)) gpu_write(gpu, REG_A6XX_CP_LPAC_PROG_FIFO_SIZE, 0x00000020); /* Setting the mem pool size */ - gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128); + if (adreno_is_a610(adreno_gpu)) { + gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 48); + gpu_write(gpu, REG_A6XX_CP_MEM_POOL_DBG_ADDR, 47); + } else + gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128); /* Setting the primFifo thresholds default values, * and vccCacheSkipDis=1 bit (0x200) for A640 and newer @@ -1133,6 +1200,8 @@ static int hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200); else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu)) gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200); + else if (adreno_is_a610(adreno_gpu)) + gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00080000); else gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00180000); @@ -1148,8 +1217,10 @@ static int hw_init(struct msm_gpu *gpu) a6xx_set_ubwc_config(gpu); /* Enable fault detection */ - gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, - (1 << 30) | 0x1fffff); + if (adreno_is_a610(adreno_gpu)) + gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3ffff); + else + gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff); gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1); @@ -1383,6 +1454,14 @@ static void a6xx_recover(struct msm_gpu *gpu) /* Software-reset the GPU */ if (adreno_has_gmu_wrapper(adreno_gpu)) { + /* 11nm chips (i.e. A610-hosting ones) have HW issues with the reset line */ + if (!adreno_is_a610(adreno_gpu)) { + gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, 1); + gpu_read(gpu, REG_A6XX_RBBM_SW_RESET_CMD); + udelay(100); + gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, 0); + } + if (adreno_is_a619_holi(adreno_gpu)) { gpu_write(gpu, 0x18, GPR0_GBIF_HALT_REQUEST); spin_until((gpu_read(gpu, REG_A6XX_RBBM_VBIF_GX_RESET_STATUS) & diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index dfb43741ea32..95053ac29398 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -253,6 +253,18 @@ static const struct adreno_info gpulist[] = { .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, .zapfw = "a540_zap.mdt", + }, { + .rev = ADRENO_REV(6, 1, 0, ANY_ID), + .revn = 610, + .name = "A610", + .fw = { + [ADRENO_FW_SQE] = "a630_sqe.fw", + }, + .gmem = (SZ_128K + SZ_4K), + .inactive_period = 500, + .init = a6xx_gpu_init, + .zapfw = "a610_zap.mdt", + .hwcg = a612_hwcg, }, { .rev = ADRENO_REV(6, 1, 8, ANY_ID), .revn = 618, diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 92ece15ec7d8..27c30a7694f4 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -55,7 +55,8 @@ struct adreno_reglist { u32 value; }; -extern const struct adreno_reglist a615_hwcg[], a630_hwcg[], a640_hwcg[], a650_hwcg[], a660_hwcg[]; +extern const struct adreno_reglist a612_hwcg[], a615_hwcg[], a630_hwcg[], a640_hwcg[], a650_hwcg[]; +extern const struct adreno_reglist a660_hwcg[]; struct adreno_info { struct adreno_rev rev; @@ -242,6 +243,11 @@ static inline int adreno_is_a540(struct adreno_gpu *gpu) return gpu->revn == 540; } +static inline int adreno_is_a610(struct adreno_gpu *gpu) +{ + return gpu->revn == 610; +} + static inline int adreno_is_a618(struct adreno_gpu *gpu) { return gpu->revn == 618;