The rounding can cause a perfectly normal 16x16 src to full-screen
dst to be rounded down, even without clipping involved. Because of
this we should just remove the adjustment, as no other driver or plane
does it.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_sprite.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c
b/drivers/gpu/drm/i915/intel_sprite.c
index a1d048af0261..203ca8b362a5 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -996,11 +996,6 @@ intel_check_sprite_plane(struct intel_plane *plane,
return vscale;
}
- /* Make the source viewport size an exact multiple of the
scaling factors. */
- drm_rect_adjust_size(src,
- drm_rect_width(dst) * hscale -
drm_rect_width(src),
- drm_rect_height(dst) * vscale -
drm_rect_height(src));
-
drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
state->base.rotation);
--
2.17.0
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