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Tue, 7 Apr 2026 03:44:26 -0700 (PDT) Received: from [192.168.0.1] (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 198413F641 for ; Tue, 7 Apr 2026 03:44:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1775558672; bh=VBs8ChKDSp5MwFOx2pPHR2HElbB6h+20jtXC41viTQE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uQk+oE8ED8gCCliY7vseTpI07TI82+axy2/uEWc3UNqvybV2Fd6lvA7wOUS6YvjP2 cqUMgvEjfB1NcZRfmv0sr3VMNgAfTY96o1StFYSvNl2CKrsvKupYF9tuU5f+uCcQU9 ldAjJ/cKkVWplkBOhn7VeMJP6yw5WbPxq+FPBaew= Date: Tue, 7 Apr 2026 11:44:29 +0100 From: Liviu Dudau To: =?utf-8?Q?Adri=C3=A1n?= Larumbe Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Steven Price , Boris Brezillon , kernel@collabora.com, Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Subject: Re: [PATCH v6 2/4] drm/panthor: Pass vm_bind_op to vm_prepare_map_op_ctx Message-ID: References: <20260403192743.3572062-1-adrian.larumbe@collabora.com> <20260403192743.3572062-3-adrian.larumbe@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260403192743.3572062-3-adrian.larumbe@collabora.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Apr 03, 2026 at 08:27:27PM +0100, Adrián Larumbe wrote: > Instead of passing its constituent elements, pass the whole struct to > simplify the function prototype. > > Signed-off-by: Adrián Larumbe > --- > drivers/gpu/drm/panthor/panthor_mmu.c | 29 +++++++++++++++------------ > 1 file changed, 16 insertions(+), 13 deletions(-) > > diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c > index 880c8c4cca17..10da2f021d9d 100644 > --- a/drivers/gpu/drm/panthor/panthor_mmu.c > +++ b/drivers/gpu/drm/panthor/panthor_mmu.c > @@ -1275,9 +1275,7 @@ static int panthor_vm_op_ctx_prealloc_pts(struct panthor_vm_op_ctx *op_ctx) > static int panthor_vm_prepare_map_op_ctx(struct panthor_vm_op_ctx *op_ctx, > struct panthor_vm *vm, > struct panthor_gem_object *bo, > - u64 offset, > - u64 size, u64 va, > - u32 flags) > + const struct drm_panthor_vm_bind_op *op) > { > struct drm_gpuvm_bo *preallocated_vm_bo; > struct sg_table *sgt = NULL; > @@ -1286,12 +1284,12 @@ static int panthor_vm_prepare_map_op_ctx(struct panthor_vm_op_ctx *op_ctx, > if (!bo) > return -EINVAL; > > - if ((flags & ~PANTHOR_VM_BIND_OP_MAP_FLAGS) || > - (flags & DRM_PANTHOR_VM_BIND_OP_TYPE_MASK) != DRM_PANTHOR_VM_BIND_OP_TYPE_MAP) > + if ((op->flags & ~PANTHOR_VM_BIND_OP_MAP_FLAGS) || > + (op->flags & DRM_PANTHOR_VM_BIND_OP_TYPE_MASK) != DRM_PANTHOR_VM_BIND_OP_TYPE_MAP) > return -EINVAL; > > /* Make sure the VA and size are in-bounds. */ > - if (size > bo->base.size || offset > bo->base.size - size) > + if (op->size > bo->base.size || op->bo_offset > bo->base.size - op->size) > return -EINVAL; > > /* If the BO has an exclusive VM attached, it can't be mapped to other VMs. */ > @@ -1299,7 +1297,7 @@ static int panthor_vm_prepare_map_op_ctx(struct panthor_vm_op_ctx *op_ctx, > bo->exclusive_vm_root_gem != panthor_vm_root_gem(vm)) > return -EINVAL; > > - panthor_vm_init_op_ctx(op_ctx, size, va, flags); > + panthor_vm_init_op_ctx(op_ctx, op->size, op->va, op->flags); > > ret = panthor_vm_op_ctx_prealloc_vmas(op_ctx); > if (ret) > @@ -1328,7 +1326,7 @@ static int panthor_vm_prepare_map_op_ctx(struct panthor_vm_op_ctx *op_ctx, > } > > op_ctx->map.vm_bo = drm_gpuvm_bo_obtain_prealloc(preallocated_vm_bo); > - op_ctx->map.bo_offset = offset; > + op_ctx->map.bo_offset = op->bo_offset; > > ret = panthor_vm_op_ctx_prealloc_pts(op_ctx); > if (ret) > @@ -2843,10 +2841,7 @@ panthor_vm_bind_prepare_op_ctx(struct drm_file *file, > gem = drm_gem_object_lookup(file, op->bo_handle); > ret = panthor_vm_prepare_map_op_ctx(op_ctx, vm, > gem ? to_panthor_bo(gem) : NULL, > - op->bo_offset, > - op->size, > - op->va, > - op->flags); > + op); > drm_gem_object_put(gem); > return ret; > > @@ -3042,10 +3037,18 @@ int panthor_vm_bind_exec_sync_op(struct drm_file *file, > int panthor_vm_map_bo_range(struct panthor_vm *vm, struct panthor_gem_object *bo, > u64 offset, u64 size, u64 va, u32 flags) > { > + struct drm_panthor_vm_bind_op op = {0}; > struct panthor_vm_op_ctx op_ctx; > int ret; > > - ret = panthor_vm_prepare_map_op_ctx(&op_ctx, vm, bo, offset, size, va, flags); > + op = (struct drm_panthor_vm_bind_op){ > + .bo_offset = offset, > + .size = size, > + .va = va, > + .flags = flags, > + }; You can merge the assignment with the declaration, at least GCC is OK with it. Reviewed-by: Liviu Dudau Best regards, Liviu > + > + ret = panthor_vm_prepare_map_op_ctx(&op_ctx, vm, bo, &op); > if (ret) > return ret; > > -- > 2.53.0 > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(ツ)_/¯