drm/radeon/kms: align height of fb allocation.

this aligns the height of the fb allocation so it doesn't trip
over the size checks later when we use this from userspace to
copy the buffer at X start.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 66324b5bb5ba0f038f393f1a4464514c41159ca9..cc44bdfec80f2239a2d07bdf88ab2bc7ac1b53e1 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -113,11 +113,14 @@ static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
        u32 tiling_flags = 0;
        int ret;
        int aligned_size, size;
+       int height = mode_cmd->height;
 
        /* need to align pitch with crtc limits */
        mode_cmd->pitch = radeon_align_pitch(rdev, mode_cmd->width, mode_cmd->bpp, fb_tiled) * ((mode_cmd->bpp + 1) / 8);
 
-       size = mode_cmd->pitch * mode_cmd->height;
+       if (rdev->family >= CHIP_R600)
+               height = ALIGN(mode_cmd->height, 8);
+       size = mode_cmd->pitch * height;
        aligned_size = ALIGN(size, PAGE_SIZE);
        ret = radeon_gem_object_create(rdev, aligned_size, 0,
                                       RADEON_GEM_DOMAIN_VRAM,