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path: root/drivers/gpu/drm/i915/i915_reg.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 729d4233b763..2abe240dae58 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1553,7 +1553,17 @@
/* Backlight control */
#define BLC_PWM_CTL 0x61254
+#define BACKLIGHT_MODULATION_FREQ_SHIFT (17)
#define BLC_PWM_CTL2 0x61250 /* 965+ only */
+#define BLM_COMBINATION_MODE (1 << 30)
+/*
+ * This is the most significant 15 bits of the number of backlight cycles in a
+ * complete cycle of the modulated backlight control.
+ *
+ * The actual value is this field multiplied by two.
+ */
+#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17)
+#define BLM_LEGACY_MODE (1 << 16)
/*
* This is the number of cycles out of the backlight modulation cycle for which
* the backlight is on.
@@ -3261,6 +3271,8 @@
#define FORCEWAKE 0xA18C
#define FORCEWAKE_ACK 0x130090
+#define GT_FIFO_FREE_ENTRIES 0x120008
+
#define GEN6_RPNSWREQ 0xA008
#define GEN6_TURBO_DISABLE (1<<31)
#define GEN6_FREQUENCY(x) ((x)<<25)