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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" For BOs imported from outside of amdgpu, setting of amdgpu_gem_object_funcs was missing in amdgpu_dma_buf_create_obj. Fix by refactoring BO creation and amdgpu_gem_object_funcs setting into single function called from both code paths. This fixes null ptr regression casued by commit d693def drm: Remove obsolete GEM and PRIME callbacks from struct drm_driver Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 13 ++++++------- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 22 +++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 5 +++++ 3 files changed, 28 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index e5919ef..da4d0ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -405,6 +405,7 @@ struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj, return buf; } + /** * amdgpu_dma_buf_create_obj - create BO for DMA-buf import * @@ -424,7 +425,7 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_bo *bo; struct amdgpu_bo_param bp; - int ret; + struct drm_gem_object *obj; memset(&bp, 0, sizeof(bp)); bp.size = dma_buf->size; @@ -434,21 +435,19 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) bp.type = ttm_bo_type_sg; bp.resv = resv; dma_resv_lock(resv, NULL); - ret = amdgpu_bo_create(adev, &bp, &bo); - if (ret) + obj = amdgpu_gem_object_create_raw(adev, &bp); + if (IS_ERR(obj)) goto error; + bo = gem_to_amdgpu_bo(obj); bo->allowed_domains = AMDGPU_GEM_DOMAIN_GTT; bo->preferred_domains = AMDGPU_GEM_DOMAIN_GTT; if (dma_buf->ops != &amdgpu_dmabuf_ops) bo->prime_shared_count = 1; - dma_resv_unlock(resv); - return &bo->tbo.base; - error: dma_resv_unlock(resv); - return ERR_PTR(ret); + return obj; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index c9f94fb..5f22ce6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -52,13 +52,26 @@ static void amdgpu_gem_object_free(struct drm_gem_object *gobj) } } +struct drm_gem_object *amdgpu_gem_object_create_raw(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp) +{ + struct amdgpu_bo *bo; + int r; + + r = amdgpu_bo_create(adev, bp, &bo); + if (r) + return ERR_PTR(r); + + bo->tbo.base.funcs = &amdgpu_gem_object_funcs; + return &bo->tbo.base; +} + int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, int alignment, u32 initial_domain, u64 flags, enum ttm_bo_type type, struct dma_resv *resv, struct drm_gem_object **obj) { - struct amdgpu_bo *bo; struct amdgpu_bo_param bp; int r; @@ -73,8 +86,9 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, retry: bp.flags = flags; bp.domain = initial_domain; - r = amdgpu_bo_create(adev, &bp, &bo); - if (r) { + *obj = amdgpu_gem_object_create_raw(adev, &bp); + if (IS_ERR(*obj)) { + r = PTR_ERR(*obj); if (r != -ERESTARTSYS) { if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) { flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; @@ -90,8 +104,6 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, } return r; } - *obj = &bo->tbo.base; - (*obj)->funcs = &amdgpu_gem_object_funcs; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h index 637bf51..a6b90d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h @@ -38,12 +38,17 @@ unsigned long amdgpu_gem_timeout(uint64_t timeout_ns); /* * GEM objects. */ + +struct amdgpu_bo_param; + void amdgpu_gem_force_release(struct amdgpu_device *adev); int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, int alignment, u32 initial_domain, u64 flags, enum ttm_bo_type type, struct dma_resv *resv, struct drm_gem_object **obj); +struct drm_gem_object *amdgpu_gem_object_create_raw(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp); int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56317C433FE for ; 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Tue, 8 Dec 2020 11:10:43 -0600 From: Andrey Grodzovsky To: Subject: [PATCH] drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs Date: Tue, 8 Dec 2020 12:10:32 -0500 Message-ID: <1607447432-28982-1-git-send-email-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 70352f76-394d-4897-0020-08d89b9c3297 X-MS-TrafficTypeDiagnostic: DM6PR12MB4779: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:238; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: FUjAVqEyCsc2JF2R5B+Lpc+rNJ6DjXIfDF0r/WGVMY8E74k0cvfb49C7SLq0O4Xhjc9/rwoDj8UwhOObPaffibF5y0A8q7kI0KK8CjRixUEOnpkMmA9IIPWyE+fhbDIq+wrKqzq9tVm1131C+K5FA+48U1yVMkJJZV6AqhYQByeWgPYHjiTAZwpM+l1uD4GVqxZ3ZEKV/Xi/qqmJRfTb9EgdeB5VBluP2YzsKRbGleOmIatGHBblc3TBlGn07XyY0v7GuK20eJvoLg5yyhucWjYiUi5jAaa5FPISb7BLXNEhv/W/64y2OcdHlgmnhwjICNOql4A1q6RuUxMj26HjvruGzPLF30/jrkXhO4P3FNsFTiDIZVfET4pTLS2xo2u4emIArT8JxdKIiqB5wCztLQ== X-Forefront-Antispam-Report: CIP:165.204.84.17; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" For BOs imported from outside of amdgpu, setting of amdgpu_gem_object_funcs was missing in amdgpu_dma_buf_create_obj. Fix by refactoring BO creation and amdgpu_gem_object_funcs setting into single function called from both code paths. This fixes null ptr regression casued by commit d693def drm: Remove obsolete GEM and PRIME callbacks from struct drm_driver Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 13 ++++++------- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 22 +++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 5 +++++ 3 files changed, 28 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index e5919ef..da4d0ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -405,6 +405,7 @@ struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj, return buf; } + /** * amdgpu_dma_buf_create_obj - create BO for DMA-buf import * @@ -424,7 +425,7 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_bo *bo; struct amdgpu_bo_param bp; - int ret; + struct drm_gem_object *obj; memset(&bp, 0, sizeof(bp)); bp.size = dma_buf->size; @@ -434,21 +435,19 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) bp.type = ttm_bo_type_sg; bp.resv = resv; dma_resv_lock(resv, NULL); - ret = amdgpu_bo_create(adev, &bp, &bo); - if (ret) + obj = amdgpu_gem_object_create_raw(adev, &bp); + if (IS_ERR(obj)) goto error; + bo = gem_to_amdgpu_bo(obj); bo->allowed_domains = AMDGPU_GEM_DOMAIN_GTT; bo->preferred_domains = AMDGPU_GEM_DOMAIN_GTT; if (dma_buf->ops != &amdgpu_dmabuf_ops) bo->prime_shared_count = 1; - dma_resv_unlock(resv); - return &bo->tbo.base; - error: dma_resv_unlock(resv); - return ERR_PTR(ret); + return obj; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index c9f94fb..5f22ce6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -52,13 +52,26 @@ static void amdgpu_gem_object_free(struct drm_gem_object *gobj) } } +struct drm_gem_object *amdgpu_gem_object_create_raw(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp) +{ + struct amdgpu_bo *bo; + int r; + + r = amdgpu_bo_create(adev, bp, &bo); + if (r) + return ERR_PTR(r); + + bo->tbo.base.funcs = &amdgpu_gem_object_funcs; + return &bo->tbo.base; +} + int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, int alignment, u32 initial_domain, u64 flags, enum ttm_bo_type type, struct dma_resv *resv, struct drm_gem_object **obj) { - struct amdgpu_bo *bo; struct amdgpu_bo_param bp; int r; @@ -73,8 +86,9 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, retry: bp.flags = flags; bp.domain = initial_domain; - r = amdgpu_bo_create(adev, &bp, &bo); - if (r) { + *obj = amdgpu_gem_object_create_raw(adev, &bp); + if (IS_ERR(*obj)) { + r = PTR_ERR(*obj); if (r != -ERESTARTSYS) { if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) { flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; @@ -90,8 +104,6 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, } return r; } - *obj = &bo->tbo.base; - (*obj)->funcs = &amdgpu_gem_object_funcs; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h index 637bf51..a6b90d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h @@ -38,12 +38,17 @@ unsigned long amdgpu_gem_timeout(uint64_t timeout_ns); /* * GEM objects. */ + +struct amdgpu_bo_param; + void amdgpu_gem_force_release(struct amdgpu_device *adev); int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, int alignment, u32 initial_domain, u64 flags, enum ttm_bo_type type, struct dma_resv *resv, struct drm_gem_object **obj); +struct drm_gem_object *amdgpu_gem_object_create_raw(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp); int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx