From 021830d24ba55a578f602979274965344c8e6284 Mon Sep 17 00:00:00 2001 From: Bas Nieuwenhuizen Date: Wed, 30 Jan 2019 02:53:21 +0100 Subject: drm/amdgpu: Check if fd really is an amdgpu fd. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Otherwise we interpret the file private data as drm & amdgpu data while it might not be, possibly allowing one to get memory corruption. Signed-off-by: Bas Nieuwenhuizen Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 7f3aa7b7e1d8..637f927e3675 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1178,6 +1178,22 @@ static const struct file_operations amdgpu_driver_kms_fops = { #endif }; +int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv) +{ + struct drm_file *file; + + if (!filp) + return -EINVAL; + + if (filp->f_op != &amdgpu_driver_kms_fops) { + return -EINVAL; + } + + file = filp->private_data; + *fpriv = file->driver_priv; + return 0; +} + static bool amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe, bool in_vblank_irq, int *vpos, int *hpos, -- cgit v1.2.3 From 767e06a9924162ce8ca5890533932174b04471f3 Mon Sep 17 00:00:00 2001 From: Bas Nieuwenhuizen Date: Sun, 3 Feb 2019 01:45:24 +0100 Subject: drm/amdgpu: Bump amdgpu version for context priority override. Signed-off-by: Bas Nieuwenhuizen Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 637f927e3675..7419ea8a388b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -73,9 +73,10 @@ * - 3.27.0 - Add new chunk to to AMDGPU_CS to enable BO_LIST creation. * - 3.28.0 - Add AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES * - 3.29.0 - Add AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID + * - 3.30.0 - Add AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE. */ #define KMS_DRIVER_MAJOR 3 -#define KMS_DRIVER_MINOR 29 +#define KMS_DRIVER_MINOR 30 #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; -- cgit v1.2.3