intel_extreme: backlight control on pre-PCH devices

Thanks to oco for letting me test this on his old laptop.
2017-11-23 23:59:39 +01:00
parent e042a53b7d
commit 8ddec194c6
2 changed files with 25 additions and 8 deletions
@@ -812,9 +812,11 @@ struct intel_free_graphics_memory {
 #define PANEL_DIVISOR_POW_CYCLE_DLY_SHIFT 0x1f

 // Backlight control registers
-#define INTEL_BLC_PWM_CTL2              (0x8250 | REGS_NORTH_SHARED)
-#define INTEL_BLC_PWM_CTL               (0x8254 | REGS_NORTH_SHARED)
-#define INTEL_SBLC_PWM_CTL2             (0x8254 | REGS_SOUTH_SHARED)
+#define PCH_BLC_PWM_CTL2                (0x8250 | REGS_NORTH_SHARED)
+#define PCH_BLC_PWM_CTL                 (0x8254 | REGS_NORTH_SHARED)
+#define PCH_SBLC_PWM_CTL2               (0x8254 | REGS_SOUTH_SHARED)
+
+#define MCH_BLC_PWM_CTL                 (0x1254 | REGS_NORTH_PIPE_AND_PORT)

 // ring buffer commands