From ffe71111f4ab5aa670502f190d0b7fe10edd1784 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Mon, 19 Oct 2020 14:10:52 -0700 Subject: [PATCH] drm/msm/kms: Update msm_kms_init/destroy Add msm_kms_destroy() and add err return from msm_kms_init(). Prep work for next patch. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 8 +++++++- drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 8 +++++++- drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 11 ++++++++--- drivers/gpu/drm/msm/disp/mdp_kms.h | 9 +++++++-- drivers/gpu/drm/msm/msm_kms.h | 8 +++++++- 5 files changed, 36 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index d93c44f..b77d1a9a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -718,6 +718,8 @@ static void dpu_kms_destroy(struct msm_kms *kms) dpu_kms = to_dpu_kms(kms); _dpu_kms_hw_destroy(dpu_kms); + + msm_kms_destroy(&dpu_kms->base); } static void _dpu_kms_set_encoder_mode(struct msm_kms *kms, @@ -1108,7 +1110,11 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) platform_set_drvdata(pdev, dpu_kms); - msm_kms_init(&dpu_kms->base, &kms_funcs); + ret = msm_kms_init(&dpu_kms->base, &kms_funcs); + if (ret) { + DPU_ERROR("failed to init kms, ret=%d\n", ret); + goto err; + } dpu_kms->dev = ddev; dpu_kms->pdev = pdev; diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c index dbf8d42..3d72927 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c @@ -175,6 +175,8 @@ static void mdp4_destroy(struct msm_kms *kms) if (mdp4_kms->rpm_enabled) pm_runtime_disable(dev); + mdp_kms_destroy(&mdp4_kms->base); + kfree(mdp4_kms); } @@ -427,7 +429,11 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev) goto fail; } - mdp_kms_init(&mdp4_kms->base, &kms_funcs); + ret = mdp_kms_init(&mdp4_kms->base, &kms_funcs); + if (ret) { + DRM_DEV_ERROR(dev->dev, "failed to init kms\n"); + goto fail; + } kms = &mdp4_kms->base.base; diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index e193865..b3eecf8 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -232,6 +232,8 @@ static void mdp5_kms_destroy(struct msm_kms *kms) aspace->mmu->funcs->detach(aspace->mmu); msm_gem_address_space_put(aspace); } + + mdp_kms_destroy(&mdp5_kms->base); } #ifdef CONFIG_DEBUG_FS @@ -592,11 +594,14 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) return NULL; mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); - - mdp_kms_init(&mdp5_kms->base, &kms_funcs); - pdev = mdp5_kms->pdev; + ret = mdp_kms_init(&mdp5_kms->base, &kms_funcs); + if (ret) { + DRM_DEV_ERROR(&pdev->dev, "failed to init kms\n"); + goto fail; + } + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); if (irq < 0) { ret = irq; diff --git a/drivers/gpu/drm/msm/disp/mdp_kms.h b/drivers/gpu/drm/msm/disp/mdp_kms.h index 1535c56..b0286d5 100644 --- a/drivers/gpu/drm/msm/disp/mdp_kms.h +++ b/drivers/gpu/drm/msm/disp/mdp_kms.h @@ -36,12 +36,17 @@ struct mdp_kms { }; #define to_mdp_kms(x) container_of(x, struct mdp_kms, base) -static inline void mdp_kms_init(struct mdp_kms *mdp_kms, +static inline int mdp_kms_init(struct mdp_kms *mdp_kms, const struct mdp_kms_funcs *funcs) { mdp_kms->funcs = funcs; INIT_LIST_HEAD(&mdp_kms->irq_list); - msm_kms_init(&mdp_kms->base, &funcs->base); + return msm_kms_init(&mdp_kms->base, &funcs->base); +} + +static inline void mdp_kms_destroy(struct mdp_kms *mdp_kms) +{ + msm_kms_destroy(&mdp_kms->base); } /* diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 977ea96..602c0c7 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -160,7 +160,7 @@ struct msm_kms { struct msm_pending_timer pending_timers[MAX_CRTCS]; }; -static inline void msm_kms_init(struct msm_kms *kms, +static inline int msm_kms_init(struct msm_kms *kms, const struct msm_kms_funcs *funcs) { unsigned i; @@ -172,6 +172,12 @@ static inline void msm_kms_init(struct msm_kms *kms, for (i = 0; i < ARRAY_SIZE(kms->pending_timers); i++) msm_atomic_init_pending_timer(&kms->pending_timers[i], kms, i); + + return 0; +} + +static inline void msm_kms_destroy(struct msm_kms *kms) +{ } struct msm_kms *mdp4_kms_init(struct drm_device *dev); -- 2.7.4