drm/i915: provide FBC status in debugfs

[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / i915_dma.c

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3afe361..47805a4 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1249,6 +1249,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
        /* Leave 1M for line length buffer & misc. */
        compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0);
        if (!compressed_fb) {
+               dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
                i915_warn_stolen(dev);
                return;
        }
@@ -1256,6 +1257,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
        compressed_fb = drm_mm_get_block(compressed_fb, size, 4096);
        if (!compressed_fb) {
                i915_warn_stolen(dev);
+               dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
                return;
        }