From 8254e05c8297e31e398911dffc3d7f37602d87b2 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Thu, 27 Jul 2023 08:02:46 +0530 Subject: drm/amdgpu: Fix printk_ratelimit() with DRM_ERROR_RATELIMITED in 'amdgpu_cs_ioctl' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replaced printk_ratelimit() with its DRM equivalent to avoid flooding of dmesg logs & hence fixes the following: WARNING: Prefer printk_ratelimited or pr__ratelimited to printk_ratelimit + if (printk_ratelimit()) Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Reviewed-by: Guchun Chen Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 49dd9aa8da70..fe78796f0407 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1402,8 +1402,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) r = amdgpu_cs_parser_init(&parser, adev, filp, data); if (r) { - if (printk_ratelimit()) - DRM_ERROR("Failed to initialize parser %d!\n", r); + DRM_ERROR_RATELIMITED("Failed to initialize parser %d!\n", r); return r; } -- cgit v1.2.3 From a5492fe27ff9684d901b2829584ea186fbecd71e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 25 Aug 2023 15:28:00 +0200 Subject: drm/amdgpu: fix amdgpu_cs_p1_user_fence MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The offset is just 32bits here so this can potentially overflow if somebody specifies a large value. Instead reduce the size to calculate the last possible offset. The error handling path incorrectly drops the reference to the user fence BO resulting in potential reference count underflow. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index fe78796f0407..4de6f53aea38 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -127,7 +127,6 @@ static int amdgpu_cs_p1_user_fence(struct amdgpu_cs_parser *p, { struct drm_gem_object *gobj; unsigned long size; - int r; gobj = drm_gem_object_lookup(p->filp, data->handle); if (gobj == NULL) @@ -137,23 +136,14 @@ static int amdgpu_cs_p1_user_fence(struct amdgpu_cs_parser *p, drm_gem_object_put(gobj); size = amdgpu_bo_size(p->uf_bo); - if (size != PAGE_SIZE || (data->offset + 8) > size) { - r = -EINVAL; - goto error_unref; - } + if (size != PAGE_SIZE || data->offset > (size - 8)) + return -EINVAL; - if (amdgpu_ttm_tt_get_usermm(p->uf_bo->tbo.ttm)) { - r = -EINVAL; - goto error_unref; - } + if (amdgpu_ttm_tt_get_usermm(p->uf_bo->tbo.ttm)) + return -EINVAL; *offset = data->offset; - return 0; - -error_unref: - amdgpu_bo_unref(&p->uf_bo); - return r; } static int amdgpu_cs_p1_bo_handles(struct amdgpu_cs_parser *p, -- cgit v1.2.3 From 887db1e49a73bc48554a4959eb9679d3d6d90e4e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Almeida?= Date: Mon, 11 Sep 2023 14:12:54 -0300 Subject: drm/amdgpu: Merge debug module parameters MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Merge all developer debug options available as separated module parameters in one, making it obvious that are for developers. Drop the obsolete module options in favor of the new ones. Signed-off-by: André Almeida Reviewed-by: Christian König Signed-off-by: Hamza Mahfooz Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 4de6f53aea38..122472d88756 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1151,7 +1151,7 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p) job->vm_pd_addr = amdgpu_gmc_pd_addr(vm->root.bo); } - if (amdgpu_vm_debug) { + if (adev->debug_vm) { /* Invalidate all BOs to test for userspace bugs */ amdgpu_bo_list_for_each_entry(e, p->bo_list) { struct amdgpu_bo *bo = e->bo; -- cgit v1.2.3