drm/radeon: add PRIME support (v2)
This adds prime->fd and fd->prime support to radeon.
It passes the sg object to ttm and then populates
the gart entries using it.
Compile tested only.
v2: stub kmap + use new helpers + add reimporting
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index e62e56a..f0bb2b5 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -105,6 +105,11 @@
int radeon_mode_dumb_destroy(struct drm_file *file_priv,
struct drm_device *dev,
uint32_t handle);
+struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
+ struct drm_gem_object *obj,
+ int flags);
+struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
+ struct dma_buf *dma_buf);
#if defined(CONFIG_DEBUG_FS)
int radeon_debugfs_init(struct drm_minor *minor);
@@ -333,7 +338,8 @@
static struct drm_driver kms_driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
- DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
+ DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
+ DRIVER_PRIME,
.dev_priv_size = 0,
.load = radeon_driver_load_kms,
.firstopen = radeon_driver_firstopen_kms,
@@ -368,6 +374,12 @@
.dumb_map_offset = radeon_mode_dumb_mmap,
.dumb_destroy = radeon_mode_dumb_destroy,
.fops = &radeon_driver_kms_fops,
+
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_export = radeon_gem_prime_export,
+ .gem_prime_import = radeon_gem_prime_import,
+
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,