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drm/i915: add FBC_IN_DBG_MASTER no_fbc_reason

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The poor in_dbg_master() check was the only one without a reason
string. Give it a reason string so it won't feel excluded.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2015-07-07 15:26:06 -03:00 committed by Daniel Vetter
parent 220285f228
commit 8935108528
2 changed files with 6 additions and 1 deletions
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1
drivers/gpu/drm/i915/i915_drv.h
View file

@ -935,6 +935,7 @@ struct i915_fbc {
FBC_MODULE_PARAM,
FBC_CHIP_DEFAULT, /* disabled by default on this chip */
FBC_ROTATION, /* rotation is not supported */
FBC_IN_DBG_MASTER, /* kernel debugger is active */
} no_fbc_reason;
bool (*fbc_enabled)(struct drm_i915_private *dev_priv);

6
drivers/gpu/drm/i915/intel_fbc.c
View file

@ -471,6 +471,8 @@ const char *intel_no_fbc_reason_str(enum no_fbc_reason reason)
return "disabled per chip default";
case FBC_ROTATION:
return "rotation unsupported";
case FBC_IN_DBG_MASTER:
return "Kernel debugger is active";
default:
MISSING_CASE(reason);
return "unknown reason";
@ -755,8 +757,10 @@ static void __intel_fbc_update(struct drm_i915_private *dev_priv)
}
/* If the kernel debugger is active, always disable compression */
if (in_dbg_master())
if (in_dbg_master()) {
set_no_fbc_reason(dev_priv, FBC_IN_DBG_MASTER);
goto out_disable;
}
if (intel_fbc_setup_cfb(dev_priv, obj->base.size,
drm_format_plane_cpp(fb->pixel_format, 0))) {