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| author |   Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-02-05 12:42:41 -0800 |
|---|---|---|
| committer |   Eric Anholt <eric@anholt.net> | 2010-02-22 11:46:57 -0500 |
| commit | b5e50c3f56ee4aa0d0168eab5ece413ac5df76aa (patch) | |
| tree | eb6ee1777dc52a00d3981e4a7a208bbe6a136263 /drivers/gpu/drm/i915/i915_dma.c | |
| parent | drm/i915: fix drps disable so unload & re-load works (diff) | |
| download | linux-dev-b5e50c3f56ee4aa0d0168eab5ece413ac5df76aa.tar.xz linux-dev-b5e50c3f56ee4aa0d0168eab5ece413ac5df76aa.zip | |
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.c | 2 |
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 3afe361ec552..47805a41395e 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; } |