// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013-2014 Red Hat * Author: Rob Clark * * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved. */ #include "adreno_gpu.h" bool hang_debug = false; MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)"); module_param_named(hang_debug, hang_debug, bool, 0600); bool snapshot_debugbus = false; MODULE_PARM_DESC(snapshot_debugbus, "Include debugbus sections in GPU devcoredump (if not fused off)"); module_param_named(snapshot_debugbus, snapshot_debugbus, bool, 0600); bool allow_vram_carveout = false; MODULE_PARM_DESC(allow_vram_carveout, "Allow using VRAM Carveout, in place of IOMMU"); module_param_named(allow_vram_carveout, allow_vram_carveout, bool, 0600); static const struct adreno_info gpulist[] = { { .chip_ids = ADRENO_CHIP_IDS(0x02000000), .family = ADRENO_2XX_GEN1, .revn = 200, .fw = { [ADRENO_FW_PM4] = "yamato_pm4.fw", [ADRENO_FW_PFP] = "yamato_pfp.fw", }, .gmem = SZ_256K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a2xx_gpu_init, }, { /* a200 on i.mx51 has only 128kib gmem */ .chip_ids = ADRENO_CHIP_IDS(0x02000001), .family = ADRENO_2XX_GEN1, .revn = 201, .fw = { [ADRENO_FW_PM4] = "yamato_pm4.fw", [ADRENO_FW_PFP] = "yamato_pfp.fw", }, .gmem = SZ_128K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a2xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x02020000), .family = ADRENO_2XX_GEN2, .revn = 220, .fw = { [ADRENO_FW_PM4] = "leia_pm4_470.fw", [ADRENO_FW_PFP] = "leia_pfp_470.fw", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a2xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x03000512), .family = ADRENO_3XX, .fw = { [ADRENO_FW_PM4] = "a330_pm4.fw", [ADRENO_FW_PFP] = "a330_pfp.fw", }, .gmem = SZ_128K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a3xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x03000520), .family = ADRENO_3XX, .revn = 305, .fw = { [ADRENO_FW_PM4] = "a300_pm4.fw", [ADRENO_FW_PFP] = "a300_pfp.fw", }, .gmem = SZ_256K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a3xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x03000600), .family = ADRENO_3XX, .revn = 307, /* because a305c is revn==306 */ .fw = { [ADRENO_FW_PM4] = "a300_pm4.fw", [ADRENO_FW_PFP] = "a300_pfp.fw", }, .gmem = SZ_128K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a3xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS( 0x03020000, 0x03020001, 0x03020002 ), .family = ADRENO_3XX, .revn = 320, .fw = { [ADRENO_FW_PM4] = "a300_pm4.fw", [ADRENO_FW_PFP] = "a300_pfp.fw", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a3xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS( 0x03030000, 0x03030001, 0x03030002 ), .family = ADRENO_3XX, .revn = 330, .fw = { [ADRENO_FW_PM4] = "a330_pm4.fw", [ADRENO_FW_PFP] = "a330_pfp.fw", }, .gmem = SZ_1M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a3xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x04000500), .family = ADRENO_4XX, .revn = 405, .fw = { [ADRENO_FW_PM4] = "a420_pm4.fw", [ADRENO_FW_PFP] = "a420_pfp.fw", }, .gmem = SZ_256K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a4xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x04020000), .family = ADRENO_4XX, .revn = 420, .fw = { [ADRENO_FW_PM4] = "a420_pm4.fw", [ADRENO_FW_PFP] = "a420_pfp.fw", }, .gmem = (SZ_1M + SZ_512K), .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a4xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x04030002), .family = ADRENO_4XX, .revn = 430, .fw = { [ADRENO_FW_PM4] = "a420_pm4.fw", [ADRENO_FW_PFP] = "a420_pfp.fw", }, .gmem = (SZ_1M + SZ_512K), .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a4xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x05000600), .family = ADRENO_5XX, .revn = 506, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", }, .gmem = (SZ_128K + SZ_8K), /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI | ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, .zapfw = "a506_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS(0x05000800), .family = ADRENO_5XX, .revn = 508, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", }, .gmem = (SZ_128K + SZ_8K), /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, .zapfw = "a508_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS(0x05000900), .family = ADRENO_5XX, .revn = 509, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", }, .gmem = (SZ_256K + SZ_16K), /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, /* Adreno 509 uses the same ZAP as 512 */ .zapfw = "a512_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS(0x05010000), .family = ADRENO_5XX, .revn = 510, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", }, .gmem = SZ_256K, /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .init = a5xx_gpu_init, }, { .chip_ids = ADRENO_CHIP_IDS(0x05010200), .family = ADRENO_5XX, .revn = 512, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", }, .gmem = (SZ_256K + SZ_16K), /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, .zapfw = "a512_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS( 0x05030002, 0x05030004 ), .family = ADRENO_5XX, .revn = 530, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", [ADRENO_FW_GPMU] = "a530v3_gpmu.fw2", }, .gmem = SZ_1M, /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI | ADRENO_QUIRK_FAULT_DETECT_MASK, .init = a5xx_gpu_init, .zapfw = "a530_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS(0x05040001), .family = ADRENO_5XX, .revn = 540, .fw = { [ADRENO_FW_PM4] = "a530_pm4.fw", [ADRENO_FW_PFP] = "a530_pfp.fw", [ADRENO_FW_GPMU] = "a540_gpmu.fw2", }, .gmem = SZ_1M, /* * Increase inactive period to 250 to avoid bouncing * the GDSC which appears to make it grumpy */ .inactive_period = 250, .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, .init = a5xx_gpu_init, .zapfw = "a540_zap.mdt", }, { .chip_ids = ADRENO_CHIP_IDS(0x06010000), .family = ADRENO_6XX_GEN1, .revn = 610, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", }, .gmem = (SZ_128K + SZ_4K), .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a6xx_gpu_init, .zapfw = "a610_zap.mdt", .hwcg = a612_hwcg, /* * There are (at least) three SoCs implementing A610: SM6125 * (trinket), SM6115 (bengal) and SM6225 (khaje). Trinket does * not have speedbinning, as only a single SKU exists and we * don't support khaje upstream yet. Hence, this matching * table is only valid for bengal. */ .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 206, 1 }, { 200, 2 }, { 157, 3 }, { 127, 4 }, ), }, { .machine = "qcom,sm7150", .chip_ids = ADRENO_CHIP_IDS(0x06010800), .family = ADRENO_6XX_GEN1, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a630_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .zapfw = "a615_zap.mbn", .hwcg = a615_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 128, 1 }, { 146, 2 }, { 167, 3 }, { 172, 4 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x06010800), .family = ADRENO_6XX_GEN1, .revn = 618, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a630_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 169, 1 }, { 174, 2 }, ), }, { .machine = "qcom,sm4350", .chip_ids = ADRENO_CHIP_IDS(0x06010900), .family = ADRENO_6XX_GEN1, .revn = 619, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a619_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a6xx_gpu_init, .zapfw = "a615_zap.mdt", .hwcg = a615_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 138, 1 }, { 92, 2 }, ), }, { .machine = "qcom,sm6375", .chip_ids = ADRENO_CHIP_IDS(0x06010901), .family = ADRENO_6XX_GEN1, .revn = 619, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a619_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a6xx_gpu_init, .zapfw = "a615_zap.mdt", .hwcg = a615_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 190, 1 }, { 177, 2 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x06010900), .family = ADRENO_6XX_GEN1, .revn = 619, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a619_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .zapfw = "a615_zap.mdt", .hwcg = a615_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 120, 4 }, { 138, 3 }, { 169, 2 }, { 180, 1 }, ), }, { .chip_ids = ADRENO_CHIP_IDS( 0x06030001, 0x06030002 ), .family = ADRENO_6XX_GEN1, .revn = 630, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a630_gmu.bin", }, .gmem = SZ_1M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .zapfw = "a630_zap.mdt", .hwcg = a630_hwcg, }, { .chip_ids = ADRENO_CHIP_IDS(0x06040001), .family = ADRENO_6XX_GEN2, .revn = 640, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a640_gmu.bin", }, .gmem = SZ_1M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .zapfw = "a640_zap.mdt", .hwcg = a640_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 1, 1 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x06050002), .family = ADRENO_6XX_GEN3, .revn = 650, .fw = { [ADRENO_FW_SQE] = "a650_sqe.fw", [ADRENO_FW_GMU] = "a650_gmu.bin", }, .gmem = SZ_1M + SZ_128K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a650_zap.mdt", .hwcg = a650_hwcg, .address_space_size = SZ_16G, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 1, 1 }, { 2, 3 }, /* Yep, 2 and 3 are swapped! :/ */ { 3, 2 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x06060001), .family = ADRENO_6XX_GEN4, .revn = 660, .fw = { [ADRENO_FW_SQE] = "a660_sqe.fw", [ADRENO_FW_GMU] = "a660_gmu.bin", }, .gmem = SZ_1M + SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a660_zap.mdt", .hwcg = a660_hwcg, .address_space_size = SZ_16G, }, { .chip_ids = ADRENO_CHIP_IDS(0x06030500), .family = ADRENO_6XX_GEN4, .fw = { [ADRENO_FW_SQE] = "a660_sqe.fw", [ADRENO_FW_GMU] = "a660_gmu.bin", }, .gmem = SZ_512K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a660_zap.mbn", .hwcg = a660_hwcg, .address_space_size = SZ_16G, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 117, 0 }, { 172, 2 }, /* Called speedbin 1 downstream, but let's not break things! */ { 190, 1 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x06080001), .family = ADRENO_6XX_GEN2, .revn = 680, .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", [ADRENO_FW_GMU] = "a640_gmu.bin", }, .gmem = SZ_2M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT, .init = a6xx_gpu_init, .zapfw = "a640_zap.mdt", .hwcg = a640_hwcg, }, { .chip_ids = ADRENO_CHIP_IDS(0x06090000), .family = ADRENO_6XX_GEN4, .fw = { [ADRENO_FW_SQE] = "a660_sqe.fw", [ADRENO_FW_GMU] = "a660_gmu.bin", }, .gmem = SZ_4M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a690_zap.mdt", .hwcg = a690_hwcg, .address_space_size = SZ_16G, }, { .chip_ids = ADRENO_CHIP_IDS(0x07000200), .family = ADRENO_6XX_GEN1, /* NOT a mistake! */ .fw = { [ADRENO_FW_SQE] = "a702_sqe.fw", }, .gmem = SZ_128K, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a702_zap.mbn", .hwcg = a702_hwcg, .speedbins = ADRENO_SPEEDBINS( { 0, 0 }, { 236, 1 }, { 178, 2 }, { 142, 3 }, ), }, { .chip_ids = ADRENO_CHIP_IDS(0x07030001), .family = ADRENO_7XX_GEN1, .fw = { [ADRENO_FW_SQE] = "a730_sqe.fw", [ADRENO_FW_GMU] = "gmu_gen70000.bin", }, .gmem = SZ_2M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a730_zap.mdt", .hwcg = a730_hwcg, .address_space_size = SZ_16G, }, { .chip_ids = ADRENO_CHIP_IDS(0x43050a01), /* "C510v2" */ .family = ADRENO_7XX_GEN2, .fw = { [ADRENO_FW_SQE] = "a740_sqe.fw", [ADRENO_FW_GMU] = "gmu_gen70200.bin", }, .gmem = 3 * SZ_1M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "a740_zap.mdt", .hwcg = a740_hwcg, .address_space_size = SZ_16G, }, { .chip_ids = ADRENO_CHIP_IDS(0x43051401), /* "C520v2" */ .family = ADRENO_7XX_GEN3, .fw = { [ADRENO_FW_SQE] = "gen70900_sqe.fw", [ADRENO_FW_GMU] = "gmu_gen70900.bin", }, .gmem = 3 * SZ_1M, .inactive_period = DRM_MSM_INACTIVE_PERIOD, .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT | ADRENO_QUIRK_HAS_HW_APRIV, .init = a6xx_gpu_init, .zapfw = "gen70900_zap.mbn", .address_space_size = SZ_16G, }, }; MODULE_FIRMWARE("qcom/a300_pm4.fw"); MODULE_FIRMWARE("qcom/a300_pfp.fw"); MODULE_FIRMWARE("qcom/a330_pm4.fw"); MODULE_FIRMWARE("qcom/a330_pfp.fw"); MODULE_FIRMWARE("qcom/a420_pm4.fw"); MODULE_FIRMWARE("qcom/a420_pfp.fw"); MODULE_FIRMWARE("qcom/a530_pm4.fw"); MODULE_FIRMWARE("qcom/a530_pfp.fw"); MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2"); MODULE_FIRMWARE("qcom/a530_zap.mdt"); MODULE_FIRMWARE("qcom/a530_zap.b00"); MODULE_FIRMWARE("qcom/a530_zap.b01"); MODULE_FIRMWARE("qcom/a530_zap.b02"); MODULE_FIRMWARE("qcom/a540_gpmu.fw2"); MODULE_FIRMWARE("qcom/a615_zap.mbn"); MODULE_FIRMWARE("qcom/a619_gmu.bin"); MODULE_FIRMWARE("qcom/a630_sqe.fw"); MODULE_FIRMWARE("qcom/a630_gmu.bin"); MODULE_FIRMWARE("qcom/a630_zap.mbn"); MODULE_FIRMWARE("qcom/a640_gmu.bin"); MODULE_FIRMWARE("qcom/a650_gmu.bin"); MODULE_FIRMWARE("qcom/a650_sqe.fw"); MODULE_FIRMWARE("qcom/a660_gmu.bin"); MODULE_FIRMWARE("qcom/a660_sqe.fw"); MODULE_FIRMWARE("qcom/leia_pfp_470.fw"); MODULE_FIRMWARE("qcom/leia_pm4_470.fw"); MODULE_FIRMWARE("qcom/yamato_pfp.fw"); MODULE_FIRMWARE("qcom/yamato_pm4.fw"); static const struct adreno_info *adreno_info(uint32_t chip_id) { /* identify gpu: */ for (int i = 0; i < ARRAY_SIZE(gpulist); i++) { const struct adreno_info *info = &gpulist[i]; if (info->machine && !of_machine_is_compatible(info->machine)) continue; for (int j = 0; info->chip_ids[j]; j++) if (info->chip_ids[j] == chip_id) return info; } return NULL; } struct msm_gpu *adreno_load_gpu(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; struct platform_device *pdev = priv->gpu_pdev; struct msm_gpu *gpu = NULL; struct adreno_gpu *adreno_gpu; int ret; if (pdev) gpu = dev_to_gpu(&pdev->dev); if (!gpu) { dev_err_once(dev->dev, "no GPU device was found\n"); return NULL; } adreno_gpu = to_adreno_gpu(gpu); /* * The number one reason for HW init to fail is if the firmware isn't * loaded yet. Try that first and don't bother continuing on * otherwise */ ret = adreno_load_fw(adreno_gpu); if (ret) return NULL; if (gpu->funcs->ucode_load) { ret = gpu->funcs->ucode_load(gpu); if (ret) return NULL; } /* * Now that we have firmware loaded, and are ready to begin * booting the gpu, go ahead and enable runpm: */ pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { pm_runtime_put_noidle(&pdev->dev); DRM_DEV_ERROR(dev->dev, "Couldn't power up the GPU: %d\n", ret); goto err_disable_rpm; } mutex_lock(&gpu->lock); ret = msm_gpu_hw_init(gpu); mutex_unlock(&gpu->lock); if (ret) { DRM_DEV_ERROR(dev->dev, "gpu hw init failed: %d\n", ret); goto err_put_rpm; } pm_runtime_put_autosuspend(&pdev->dev); #ifdef CONFIG_DEBUG_FS if (gpu->funcs->debugfs_init) { gpu->funcs->debugfs_init(gpu, dev->primary); gpu->funcs->debugfs_init(gpu, dev->render); } #endif return gpu; err_put_rpm: pm_runtime_put_sync_suspend(&pdev->dev); err_disable_rpm: pm_runtime_disable(&pdev->dev); return NULL; } static int find_chipid(struct device *dev, uint32_t *chipid) { struct device_node *node = dev->of_node; const char *compat; int ret; /* first search the compat strings for qcom,adreno-XYZ.W: */ ret = of_property_read_string_index(node, "compatible", 0, &compat); if (ret == 0) { unsigned int r, patch; if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2 || sscanf(compat, "amd,imageon-%u.%u", &r, &patch) == 2) { uint32_t core, major, minor; core = r / 100; r %= 100; major = r / 10; r %= 10; minor = r; *chipid = (core << 24) | (major << 16) | (minor << 8) | patch; return 0; } if (sscanf(compat, "qcom,adreno-%08x", chipid) == 1) return 0; } /* and if that fails, fall back to legacy "qcom,chipid" property: */ ret = of_property_read_u32(node, "qcom,chipid", chipid); if (ret) { DRM_DEV_ERROR(dev, "could not parse qcom,chipid: %d\n", ret); return ret; } dev_warn(dev, "Using legacy qcom,chipid binding!\n"); return 0; } static int adreno_bind(struct device *dev, struct device *master, void *data) { static struct adreno_platform_config config = {}; const struct adreno_info *info; struct msm_drm_private *priv = dev_get_drvdata(master); struct drm_device *drm = priv->dev; struct msm_gpu *gpu; int ret; ret = find_chipid(dev, &config.chip_id); if (ret) return ret; dev->platform_data = &config; priv->gpu_pdev = to_platform_device(dev); info = adreno_info(config.chip_id); if (!info) { dev_warn(drm->dev, "Unknown GPU revision: %"ADRENO_CHIPID_FMT"\n", ADRENO_CHIPID_ARGS(config.chip_id)); return -ENXIO; } config.info = info; DBG("Found GPU: %"ADRENO_CHIPID_FMT, ADRENO_CHIPID_ARGS(config.chip_id)); priv->is_a2xx = info->family < ADRENO_3XX; priv->has_cached_coherent = !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT); gpu = info->init(drm); if (IS_ERR(gpu)) { dev_warn(drm->dev, "failed to load adreno gpu\n"); return PTR_ERR(gpu); } ret = dev_pm_opp_of_find_icc_paths(dev, NULL); if (ret) return ret; return 0; } static int adreno_system_suspend(struct device *dev); static void adreno_unbind(struct device *dev, struct device *master, void *data) { struct msm_drm_private *priv = dev_get_drvdata(master); struct msm_gpu *gpu = dev_to_gpu(dev); if (pm_runtime_enabled(dev)) WARN_ON_ONCE(adreno_system_suspend(dev)); gpu->funcs->destroy(gpu); priv->gpu_pdev = NULL; } static const struct component_ops a3xx_ops = { .bind = adreno_bind, .unbind = adreno_unbind, }; static void adreno_device_register_headless(void) { /* on imx5, we don't have a top-level mdp/dpu node * this creates a dummy node for the driver for that case */ struct platform_device_info dummy_info = { .parent = NULL, .name = "msm", .id = -1, .res = NULL, .num_res = 0, .data = NULL, .size_data = 0, .dma_mask = ~0, }; platform_device_register_full(&dummy_info); } static int adreno_probe(struct platform_device *pdev) { int ret; ret = component_add(&pdev->dev, &a3xx_ops); if (ret) return ret; if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon")) adreno_device_register_headless(); return 0; } static void adreno_remove(struct platform_device *pdev) { component_del(&pdev->dev, &a3xx_ops); } static void adreno_shutdown(struct platform_device *pdev) { WARN_ON_ONCE(adreno_system_suspend(&pdev->dev)); } static const struct of_device_id dt_match[] = { { .compatible = "qcom,adreno" }, { .compatible = "qcom,adreno-3xx" }, /* for compatibility with imx5 gpu: */ { .compatible = "amd,imageon" }, /* for backwards compat w/ downstream kgsl DT files: */ { .compatible = "qcom,kgsl-3d0" }, {} }; static int adreno_runtime_resume(struct device *dev) { struct msm_gpu *gpu = dev_to_gpu(dev); return gpu->funcs->pm_resume(gpu); } static int adreno_runtime_suspend(struct device *dev) { struct msm_gpu *gpu = dev_to_gpu(dev); /* * We should be holding a runpm ref, which will prevent * runtime suspend. In the system suspend path, we've * already waited for active jobs to complete. */ WARN_ON_ONCE(gpu->active_submits); return gpu->funcs->pm_suspend(gpu); } static void suspend_scheduler(struct msm_gpu *gpu) { int i; /* * Shut down the scheduler before we force suspend, so that * suspend isn't racing with scheduler kthread feeding us * more work. * * Note, we just want to park the thread, and let any jobs * that are already on the hw queue complete normally, as * opposed to the drm_sched_stop() path used for handling * faulting/timed-out jobs. We can't really cancel any jobs * already on the hw queue without racing with the GPU. */ for (i = 0; i < gpu->nr_rings; i++) { struct drm_gpu_scheduler *sched = &gpu->rb[i]->sched; drm_sched_wqueue_stop(sched); } } static void resume_scheduler(struct msm_gpu *gpu) { int i; for (i = 0; i < gpu->nr_rings; i++) { struct drm_gpu_scheduler *sched = &gpu->rb[i]->sched; drm_sched_wqueue_start(sched); } } static int adreno_system_suspend(struct device *dev) { struct msm_gpu *gpu = dev_to_gpu(dev); int remaining, ret; if (!gpu) return 0; suspend_scheduler(gpu); remaining = wait_event_timeout(gpu->retire_event, gpu->active_submits == 0, msecs_to_jiffies(1000)); if (remaining == 0) { dev_err(dev, "Timeout waiting for GPU to suspend\n"); ret = -EBUSY; goto out; } ret = pm_runtime_force_suspend(dev); out: if (ret) resume_scheduler(gpu); return ret; } static int adreno_system_resume(struct device *dev) { struct msm_gpu *gpu = dev_to_gpu(dev); if (!gpu) return 0; resume_scheduler(gpu); return pm_runtime_force_resume(dev); } static const struct dev_pm_ops adreno_pm_ops = { SYSTEM_SLEEP_PM_OPS(adreno_system_suspend, adreno_system_resume) RUNTIME_PM_OPS(adreno_runtime_suspend, adreno_runtime_resume, NULL) }; static struct platform_driver adreno_driver = { .probe = adreno_probe, .remove_new = adreno_remove, .shutdown = adreno_shutdown, .driver = { .name = "adreno", .of_match_table = dt_match, .pm = &adreno_pm_ops, }, }; void __init adreno_register(void) { platform_driver_register(&adreno_driver); } void __exit adreno_unregister(void) { platform_driver_unregister(&adreno_driver); }