int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct drm_radeon_gem_set_tiling *args = data; struct drm_gem_object *gobj; struct radeon_bo *robj; int r = 0; DRM_DEBUG("%d \n", args->handle); gobj = drm_gem_object_lookup(dev, filp, args->handle); if (gobj == NULL) return -ENOENT; robj = gem_to_radeon_bo(gobj); r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch); drm_gem_object_unreference_unlocked(gobj); return r; }
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; }