diff options
author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2022-06-16 11:11:03 +0300 |
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committer | Rob Clark <robdclark@chromium.org> | 2022-07-06 18:52:38 +0300 |
commit | 8010b14e6219c0060716c885a89658060a388544 (patch) | |
tree | 30e30f8e6656fe43537f80296018d8b36146722c | |
parent | a07ea70a57e258289acc1bc41360c384cc53ec22 (diff) | |
download | linux-8010b14e6219c0060716c885a89658060a388544.tar.xz |
drm/msm/mdp5: move iommu_domain_alloc() call close to its usage
Move iommu_domain_alloc() in front of adress space/IOMMU initialization.
This allows us to drop final bits of struct mdp5_cfg_platform which
remained from the pre-DT days.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489695/
Link: https://lore.kernel.org/r/20220616081106.350262-3-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
-rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c | 16 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 6 |
3 files changed, 4 insertions, 24 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c index b17f868ffca8..1f1555aa02d2 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.c @@ -1253,8 +1253,6 @@ static const struct mdp5_cfg_handler cfg_handlers_v3[] = { { .revision = 3, .config = { .hw = &sdm630_config } }, }; -static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev); - const struct mdp5_cfg_hw *mdp5_cfg_get_hw_config(struct mdp5_cfg_handler *cfg_handler) { return cfg_handler->config.hw; @@ -1279,10 +1277,8 @@ struct mdp5_cfg_handler *mdp5_cfg_init(struct mdp5_kms *mdp5_kms, uint32_t major, uint32_t minor) { struct drm_device *dev = mdp5_kms->dev; - struct platform_device *pdev = to_platform_device(dev->dev); struct mdp5_cfg_handler *cfg_handler; const struct mdp5_cfg_handler *cfg_handlers; - struct mdp5_cfg_platform *pconfig; int i, ret = 0, num_handlers; cfg_handler = kzalloc(sizeof(*cfg_handler), GFP_KERNEL); @@ -1325,9 +1321,6 @@ struct mdp5_cfg_handler *mdp5_cfg_init(struct mdp5_kms *mdp5_kms, cfg_handler->revision = minor; cfg_handler->config.hw = mdp5_cfg; - pconfig = mdp5_get_config(pdev); - memcpy(&cfg_handler->config.platform, pconfig, sizeof(*pconfig)); - DBG("MDP5: %s hw config selected", mdp5_cfg->name); return cfg_handler; @@ -1338,12 +1331,3 @@ fail: return ERR_PTR(ret); } - -static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev) -{ - static struct mdp5_cfg_platform config = {}; - - config.iommu = iommu_domain_alloc(&platform_bus_type); - - return &config; -} diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.h index 6b03d7899309..c2502cc33864 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.h +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cfg.h @@ -104,14 +104,8 @@ struct mdp5_cfg_hw { uint32_t max_clk; }; -/* platform config data (ie. from DT, or pdata) */ -struct mdp5_cfg_platform { - struct iommu_domain *iommu; -}; - struct mdp5_cfg { const struct mdp5_cfg_hw *hw; - struct mdp5_cfg_platform platform; }; struct mdp5_kms; diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 3d5621a68f85..a69e23f10d91 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -558,6 +558,7 @@ static int mdp5_kms_init(struct drm_device *dev) struct msm_gem_address_space *aspace; int irq, i, ret; struct device *iommu_dev; + struct iommu_domain *iommu; ret = mdp5_init(to_platform_device(dev->dev), dev); @@ -601,14 +602,15 @@ static int mdp5_kms_init(struct drm_device *dev) } mdelay(16); - if (config->platform.iommu) { + iommu = iommu_domain_alloc(&platform_bus_type); + if (iommu) { struct msm_mmu *mmu; iommu_dev = &pdev->dev; if (!dev_iommu_fwspec_get(iommu_dev)) iommu_dev = iommu_dev->parent; - mmu = msm_iommu_new(iommu_dev, config->platform.iommu); + mmu = msm_iommu_new(iommu_dev, iommu); aspace = msm_gem_address_space_create(mmu, "mdp5", 0x1000, 0x100000000 - 0x1000); |