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authorJesse Barnes <jbarnes@virtuousgeek.org>2010-02-05 12:42:41 -0800
committerEric Anholt <eric@anholt.net>2010-02-22 11:46:57 -0500
commitb5e50c3f56ee4aa0d0168eab5ece413ac5df76aa (patch)
treeeb6ee1777dc52a00d3981e4a7a208bbe6a136263 /drivers/gpu/drm/i915/i915_dma.c
parent357b13c3e498bb658f511f91a9e4f09c9553be6e (diff)
drm/i915: provide FBC status in debugfs
Tools like powertop want to check the current FBC status and report it to the user. So add a debugfs file indicating whether FBC is enabled, and if not, why. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3afe361ec55..47805a41395 100644
--- 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;
}