diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_device.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_device.c | 105 |
1 files changed, 60 insertions, 45 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 9ffe91920fbf..554d746f115b 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -16,20 +16,25 @@ 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); - int enable_preemption = -1; MODULE_PARM_DESC(enable_preemption, "Enable preemption (A7xx only) (1=on , 0=disable, -1=auto (default))"); module_param(enable_preemption, int, 0600); +bool disable_acd; +MODULE_PARM_DESC(disable_acd, "Forcefully disable GPU ACD"); +module_param_unsafe(disable_acd, bool, 0400); + +static bool skip_gpu; +MODULE_PARM_DESC(no_gpu, "Disable GPU driver register (0=enable GPU driver register (default), 1=skip GPU driver register"); +module_param(skip_gpu, bool, 0400); + extern const struct adreno_gpulist a2xx_gpulist; extern const struct adreno_gpulist a3xx_gpulist; extern const struct adreno_gpulist a4xx_gpulist; extern const struct adreno_gpulist a5xx_gpulist; extern const struct adreno_gpulist a6xx_gpulist; extern const struct adreno_gpulist a7xx_gpulist; +extern const struct adreno_gpulist a8xx_gpulist; static const struct adreno_gpulist *gpulists[] = { &a2xx_gpulist, @@ -38,6 +43,7 @@ static const struct adreno_gpulist *gpulists[] = { &a5xx_gpulist, &a6xx_gpulist, &a7xx_gpulist, + &a8xx_gpulist, }; static const struct adreno_info *adreno_info(uint32_t chip_id) @@ -133,9 +139,8 @@ err_disable_rpm: return NULL; } -static int find_chipid(struct device *dev, uint32_t *chipid) +static int find_chipid(struct device_node *node, uint32_t *chipid) { - struct device_node *node = dev->of_node; const char *compat; int ret; @@ -169,15 +174,39 @@ static int find_chipid(struct device *dev, uint32_t *chipid) /* 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); + DRM_ERROR("%pOF: could not parse qcom,chipid: %d\n", + node, ret); return ret; } - dev_warn(dev, "Using legacy qcom,chipid binding!\n"); + pr_warn("%pOF: Using legacy qcom,chipid binding!\n", node); return 0; } +bool adreno_has_gpu(struct device_node *node) +{ + const struct adreno_info *info; + uint32_t chip_id; + int ret; + + if (skip_gpu) + return false; + + ret = find_chipid(node, &chip_id); + if (ret) + return false; + + info = adreno_info(chip_id); + if (!info) { + pr_warn("%pOF: Unknown GPU revision: %"ADRENO_CHIPID_FMT"\n", + node, ADRENO_CHIPID_ARGS(chip_id)); + return false; + } + + return true; +} + static int adreno_bind(struct device *dev, struct device *master, void *data) { static struct adreno_platform_config config = {}; @@ -187,19 +216,18 @@ static int adreno_bind(struct device *dev, struct device *master, void *data) struct msm_gpu *gpu; int ret; - ret = find_chipid(dev, &config.chip_id); - if (ret) + ret = find_chipid(dev->of_node, &config.chip_id); + /* We shouldn't have gotten this far if we can't parse the chip_id */ + if (WARN_ON(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)); + /* We shouldn't have gotten this far if we don't recognize the GPU: */ + if (WARN_ON(!info)) return -ENXIO; - } config.info = info; @@ -209,7 +237,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data) priv->has_cached_coherent = !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT); - gpu = info->init(drm); + gpu = info->funcs->init(drm); if (IS_ERR(gpu)) { dev_warn(drm->dev, "failed to load adreno gpu\n"); return PTR_ERR(gpu); @@ -241,42 +269,23 @@ static const struct component_ops a3xx_ops = { .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) { + if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon") || + msm_gpu_no_components()) + return msm_gpu_probe(pdev, &a3xx_ops); - 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; + return component_add(&pdev->dev, &a3xx_ops); } static void adreno_remove(struct platform_device *pdev) { - component_del(&pdev->dev, &a3xx_ops); + struct msm_drm_private *priv = platform_get_drvdata(pdev); + + if (priv->kms_init) + component_del(&pdev->dev, &a3xx_ops); + else + msm_gpu_remove(pdev, &a3xx_ops); } static void adreno_shutdown(struct platform_device *pdev) @@ -393,7 +402,7 @@ static const struct dev_pm_ops adreno_pm_ops = { static struct platform_driver adreno_driver = { .probe = adreno_probe, - .remove_new = adreno_remove, + .remove = adreno_remove, .shutdown = adreno_shutdown, .driver = { .name = "adreno", @@ -404,10 +413,16 @@ static struct platform_driver adreno_driver = { void __init adreno_register(void) { + if (skip_gpu) + return; + platform_driver_register(&adreno_driver); } void __exit adreno_unregister(void) { + if (skip_gpu) + return; + platform_driver_unregister(&adreno_driver); } |