We skip src trunction/adjustments for
NV12 case and handle the sizes directly.
Without this, pipe fifo underruns are seen on APL/KBL.
Credits-to: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_sprite.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d5dad44..89845d5 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1015,6 +1015,9 @@ intel_check_sprite_plane(struct intel_plane *plane,
crtc_w = drm_rect_width(dst);
crtc_h = drm_rect_height(dst);
+ if (fb->format->format == DRM_FORMAT_NV12)
+ goto check_plane_surface;
+
if (state->base.visible) {
/* check again in case clipping clamped the results */
hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
@@ -1112,6 +1115,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
dst->y1 = crtc_y;
dst->y2 = crtc_y + crtc_h;
+check_plane_surface:
if (INTEL_GEN(dev_priv) >= 9) {
ret = skl_check_plane_surface(crtc_state, state);
if (ret)
--
2.7.4
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