Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_display.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index b9c6487..13b3292 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5460,8 +5460,25 @@ int intel_framebuffer_init(struct drm_device *dev,
struct drm_mode_fb_cmd *mode_cmd,
struct drm_gem_object *obj)
{
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
int ret;
+ if (obj_priv->tiling_mode == I915_TILING_Y)
+ return -EINVAL;
+
+ if (mode_cmd->pitch & 63)
+ return -EINVAL;
+
+ switch (mode_cmd->bpp) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ break;
+ default:
+ return -EINVAL;
+ }
+
ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
if (ret) {
DRM_ERROR("framebuffer init failed %d\n", ret);
--
1.7.1
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