drm/i915/bdw: Broadwell has 3 pipes

v2: Rebase (Paulo Zanoni)

v3: Rebase on top of num_pipes having moved to intel_device_info.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> (v1)
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> (v2)
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.c

@@ -338,7 +338,7 @@ static const struct intel_device_info intel_haswell_m_info = {
 
 static const struct intel_device_info intel_broadwell_d_info = {
 	.is_preliminary = 1,
-	.gen = 8,
+	.gen = 8, .num_pipes = 3,
 	.need_gfx_hws = 1, .has_hotplug = 1,
 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
 	.has_llc = 1,
@@ -347,7 +347,7 @@ static const struct intel_device_info intel_broadwell_d_info = {
 
 static const struct intel_device_info intel_broadwell_m_info = {
 	.is_preliminary = 1,
-	.gen = 8, .is_mobile = 1,
+	.gen = 8, .is_mobile = 1, .num_pipes = 3,
 	.need_gfx_hws = 1, .has_hotplug = 1,
 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
 	.has_llc = 1,