From 47c1296829505d119d7d58dd23d39cc5db344f12 Mon Sep 17 00:00:00 2001 From: Andreas Pokorny Date: Fri, 8 Aug 2014 10:40:56 +0200 Subject: drm/qxl: enables gem prime helpers for qxl using dummy driver callbacks As there should not be any other virtual device that might share buffers, the callbacks remain empty stubs. Still prime can be used to transfer buffers between processes that use qxl. Signed-off-by: Andreas Pokorny Signed-off-by: Dave Airlie --- drivers/gpu/drm/qxl/qxl_prime.c | 72 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 drivers/gpu/drm/qxl/qxl_prime.c (limited to 'drivers/gpu/drm/qxl/qxl_prime.c') diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c new file mode 100644 index 000000000000..ba0689c728e8 --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -0,0 +1,72 @@ +/* + * Copyright 2014 Canonical + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Andreas Pokorny + */ + +#include "qxl_drv.h" + +/* Empty Implementations as there should not be any other driver for a virtual + * device that might share buffers with qxl */ + +int qxl_gem_prime_pin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} + +void qxl_gem_prime_unpin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); +} + + +struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +struct drm_gem_object *qxl_gem_prime_import_sg_table( + struct drm_device *dev, size_t size, + struct sg_table *table) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void *qxl_gem_prime_vmap(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + WARN_ONCE(1, "not implemented"); +} + +int qxl_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *area) +{ + WARN_ONCE(1, "not implemented"); + return ENOSYS; +} -- cgit v1.2.3