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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.h')
-rw-r--r--drivers/gpu/drm/i915/intel_display.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h
index c4042e342f50..f5733a2576e7 100644
--- a/drivers/gpu/drm/i915/intel_display.h
+++ b/drivers/gpu/drm/i915/intel_display.h
@@ -139,6 +139,17 @@ enum dpio_phy {
#define I915_NUM_PHYS_VLV 2
+enum aux_ch {
+ AUX_CH_A,
+ AUX_CH_B,
+ AUX_CH_C,
+ AUX_CH_D,
+ _AUX_CH_E, /* does not exist */
+ AUX_CH_F,
+};
+
+#define aux_ch_name(a) ((a) + 'A')
+
enum intel_display_power_domain {
POWER_DOMAIN_PIPE_A,
POWER_DOMAIN_PIPE_B,
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