From gen7, the platform can support fb of size < 3x3.
Adding this check for gen along with fb width & height.
Note: IVB is gen7 but its not clear if it can support width < 3 and
height < 3.
This patch has been tested in Android environment.
Signed-off-by: Vandana Kannan <vandana.kan...@intel.com>
---
drivers/gpu/drm/i915/intel_sprite.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c
b/drivers/gpu/drm/i915/intel_sprite.c
index cd21525..310d0a7 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -770,8 +770,13 @@ intel_check_sprite_plane(struct drm_plane *plane,
return -EINVAL;
}
+ if (INTEL_INFO(dev)->gen < 7 && (fb->width < 3 || fb->height < 3)) {
+ DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
+ return -EINVAL;
+ }
+
/* FIXME check all gen limits */
- if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
+ if (fb->pitches[0] > 16384) {
DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
return -EINVAL;
}
--
2.0.1
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