diff options
| 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_drv.h | |
| parent | 357b13c3e498bb658f511f91a9e4f09c9553be6e (diff) | |
| download | blackbird-op-linux-b5e50c3f56ee4aa0d0168eab5ece413ac5df76aa.tar.gz blackbird-op-linux-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_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7df89ae8172f..953ad64e0553 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -192,6 +192,14 @@ struct intel_device_info { u8 cursor_needs_physical : 1; }; +enum no_fbc_reason { + FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */ + FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */ + FBC_MODE_TOO_LARGE, /* mode too large for compression */ + FBC_BAD_PLANE, /* fbc not supported on plane */ + FBC_NOT_TILED, /* buffer not tiled */ +}; + typedef struct drm_i915_private { struct drm_device *dev; @@ -597,6 +605,8 @@ typedef struct drm_i915_private { u8 cur_delay; u8 min_delay; u8 max_delay; + + enum no_fbc_reason no_fbc_reason; } drm_i915_private_t; /** driver private structure attached to each drm_gem_object */ |
