drm/i915: add pipe A force quirks to i915 driver
Ported over from the old UMS list. Unfortunately they're still
necessary especially on older laptop platforms.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=22126.
Tested-by: Xavier <shiningxc@gmail.com>
Tested-by: Diego Escalante Urrelo <diegoe@gnome.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1d82de1..2e1744d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -223,6 +223,8 @@
PCH_CPT, /* Cougarpoint PCH */
};
+#define QUIRK_PIPEA_FORCE (1<<0)
+
struct intel_fbdev;
typedef struct drm_i915_private {
@@ -338,6 +340,8 @@
/* PCH chipset type */
enum intel_pch pch_type;
+ unsigned long quirks;
+
/* Register state */
bool modeset_on_lid;
u8 saveLBB;