drm/i915: support 3 pipes on IVB+
Well almost anyway. IVB has 3 planes, pipes, transcoders, and FDI
interfaces, but only 2 pipe PLLs. So two of the pipes must use the same
pipe timings (e.g. 2 DP plus one other, or two HDMI with the same mode
and one other, etc.).
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-By: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-By: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c02cdac..c5ca0d3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -674,8 +674,8 @@
/* Panel fitter placement and size for Ironlake+ */
u32 pch_pf_pos, pch_pf_size;
- struct drm_crtc *plane_to_crtc_mapping[2];
- struct drm_crtc *pipe_to_crtc_mapping[2];
+ struct drm_crtc *plane_to_crtc_mapping[3];
+ struct drm_crtc *pipe_to_crtc_mapping[3];
wait_queue_head_t pending_flip_queue;
bool flip_pending_is_done;