[PATCH] drm/i915: WARN if module opt sanitization goes out of order

Daniel Vetter
2014-08-11T13:59:43Z

Depending upon one module option to be sanitized (through USES_PPGTT)
for the other is a bit too fragile for my taste. At least WARN about
this.

Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/i915/intel_lrc.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 21f7f1cce86e..44721292eb77 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -43,6 +43,8 @@

int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists)
{
+ WARN_ON(i915.enable_ppgtt == -1);
+
if (enable_execlists == 0)
return 0;

--
2.0.1