Commit 8bb6e959 authored Apr 06, 2013 by Daniel Vetter

drm/i915: tune down Y tiling scanout warning

Userspace can easily hit this and does since Ville added a new evil
igt testcase in:

commit 069e35e0fc3785faa562adcfd2dd7bbed4cb1dea
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Mon Mar 4 15:34:06 2013 +0200

    kms_flip: Add flip-vs-bad-tiling test

v2: Fix the spelling in the added comment (Chris).

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=63246


Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 9a7c7890

drivers/gpu/drm/i915/intel_display.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -2002,8 +2002,10 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
		alignment = 0;
		break;
		case I915_TILING_Y:
		/* FIXME: Is this true? */
		DRM_ERROR("Y tiled not allowed for scan out buffers\n");
		/* Despite that we check this in framebuffer_init userspace can
		* screw us over and change the tiling after the fact. Only
		* pinned buffers can't change their tiling. */
		DRM_DEBUG_DRIVER("Y tiled not allowed for scan out buffers\n");
		return -EINVAL;
		default:
		BUG();