int radeon_mode_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_gem_object *gobj;
uint32_t handle;
int r;
args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
args->size = args->pitch * args->height;
args->size = roundup2(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, 0,
RADEON_GEM_DOMAIN_VRAM,
false, ttm_bo_type_device,
&gobj);
if (r)
return -ENOMEM;
handle = 0;
r = drm_gem_handle_create(file_priv, gobj, &handle);
/* drop reference from allocate - handle holds it now */
drm_gem_object_unreference_unlocked(gobj);
if (r) {
return r;
}
args->handle = handle;
return 0;
}
int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_gem_create *args = data;
struct drm_gem_object *gobj;
uint32_t handle;
int r;
sx_slock(&rdev->exclusive_lock);
/* create a gem object to contain this object in */
args->size = roundup(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, args->alignment,
args->initial_domain, false,
false, &gobj);
if (r) {
sx_sunlock(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(rdev, r);
return r;
}
handle = 0;
r = drm_gem_handle_create(filp, gobj, &handle);
/* drop reference from allocate - handle holds it now */
drm_gem_object_unreference_unlocked(gobj);
if (r) {
sx_sunlock(&rdev->exclusive_lock);
r = radeon_gem_handle_lockup(rdev, r);
return r;
}
args->handle = handle;
sx_sunlock(&rdev->exclusive_lock);
return 0;
}
int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_gem_create *args = data;
struct drm_gem_object *gobj;
uint32_t handle;
int r;
/* create a gem object to contain this object in */
args->size = roundup(args->size, PAGE_SIZE);
r = radeon_gem_object_create(rdev, args->size, args->alignment,
args->initial_domain, false,
false, &gobj);
if (r) {
return r;
}
r = drm_gem_handle_create(filp, gobj, &handle);
if (r) {
drm_gem_object_unreference_unlocked(gobj);
return r;
}
drm_gem_object_handle_unreference_unlocked(gobj);
args->handle = handle;
return 0;
}
static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **gobj_p)
{
struct radeon_device *rdev = rfbdev->rdev;
struct drm_gem_object *gobj = NULL;
struct radeon_bo *rbo = NULL;
bool fb_tiled = false; /* useful for testing */
u32 tiling_flags = 0;
int ret;
int aligned_size, size;
int height = mode_cmd->height;
u32 bpp, depth;
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
/* need to align pitch with crtc limits */
mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, bpp,
fb_tiled) * ((bpp + 1) / 8);
if (rdev->family >= CHIP_R600)
height = ALIGN(mode_cmd->height, 8);
size = mode_cmd->pitches[0] * height;
aligned_size = ALIGN(size, PAGE_SIZE);
ret = radeon_gem_object_create(rdev, aligned_size, 0,
RADEON_GEM_DOMAIN_VRAM,
0, true, &gobj);
if (ret) {
printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
aligned_size);
return -ENOMEM;
}
rbo = gem_to_radeon_bo(gobj);
if (fb_tiled)
tiling_flags = RADEON_TILING_MACRO;
#ifdef __BIG_ENDIAN
switch (bpp) {
case 32:
tiling_flags |= RADEON_TILING_SWAP_32BIT;
break;
case 16:
tiling_flags |= RADEON_TILING_SWAP_16BIT;
default:
break;
}
#endif
if (tiling_flags) {
ret = radeon_bo_set_tiling_flags(rbo,
tiling_flags | RADEON_TILING_SURFACE,
mode_cmd->pitches[0]);
if (ret)
dev_err(rdev->dev, "FB failed to set tiling flags\n");
}
ret = radeon_bo_reserve(rbo, false);
if (unlikely(ret != 0))
goto out_unref;
/* Only 27 bit offset for legacy CRTC */
ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
NULL);
if (ret) {
radeon_bo_unreserve(rbo);
goto out_unref;
}
if (fb_tiled)
radeon_bo_check_tiling(rbo, 0, 0);
ret = radeon_bo_kmap(rbo, NULL);
radeon_bo_unreserve(rbo);
if (ret) {
goto out_unref;
}
*gobj_p = gobj;
return 0;
out_unref:
radeonfb_destroy_pinned_object(gobj);
*gobj_p = NULL;
return ret;
}