From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
On HSW enabling a plane on a disabled pipe may hang the entire system.
And there's no good reason for doing it ever, so just don't.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_sprite.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d9c7a66..4f11eb1 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -652,8 +652,8 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
.y2 = crtc_y + crtc_h,
};
const struct drm_rect clip = {
- .x2 = crtc->mode.hdisplay,
- .y2 = crtc->mode.vdisplay,
+ .x2 = intel_crtc->active ? crtc->mode.hdisplay : 0,
+ .y2 = intel_crtc->active ? crtc->mode.vdisplay : 0,
};
intel_fb = to_intel_framebuffer(fb);
--
1.8.1.5
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