drm/radeon: Give userspace more accurate information about available memory.

This patch varies from the original and just removes memory for kernel
pinned objects.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index d880edf..9c4f895 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -158,9 +158,13 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
        struct drm_radeon_gem_info *args = data;
 
        args->vram_size = rdev->mc.real_vram_size;
-       /* FIXME: report somethings that makes sense */
-       args->vram_visible = rdev->mc.real_vram_size - (4 * 1024 * 1024);
-       args->gart_size = rdev->mc.gtt_size;
+       args->vram_visible = rdev->mc.real_vram_size;
+       if (rdev->stollen_vga_memory)
+               args->vram_visible -= radeon_object_size(rdev->stollen_vga_memory);
+       if (rdev->fbdev_robj)
+               args->vram_visible -= radeon_object_size(rdev->fbdev_robj);
+       args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
+               RADEON_IB_POOL_SIZE*64*1024;
        return 0;
 }