Even for other platforms RP_DOWN_IDLE_AVG is 010 and PCODE_MAILBOX[31] should 
be 1 when reading overclocking parameters.

Signed-off-by: Rodrigo Vivi <[email protected]>
---
 drivers/gpu/drm/i915/i915_reg.h | 3 +--
 drivers/gpu/drm/i915/intel_pm.c | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8200c31..5967e71 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4171,8 +4171,7 @@
 #define   GEN6_RP_UP_IDLE_MIN                  (0x1<<3)
 #define   GEN6_RP_UP_BUSY_AVG                  (0x2<<3)
 #define   GEN6_RP_UP_BUSY_CONT                 (0x4<<3)
-#define   GEN7_RP_DOWN_IDLE_AVG                        (0x2<<0)
-#define   GEN6_RP_DOWN_IDLE_CONT               (0x1<<0)
+#define   GEN6_RP_DOWN_IDLE_CONT               (0x2<<0)
 #define GEN6_RP_UP_THRESHOLD                   0xA02C
 #define GEN6_RP_DOWN_THRESHOLD                 0xA030
 #define GEN6_RP_CUR_UP_EI                      0xA050
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 07da990..50f5809 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2501,7 +2501,7 @@ static void gen6_enable_rps(struct drm_device *dev)
                   GEN6_RP_MEDIA_IS_GFX |
                   GEN6_RP_ENABLE |
                   GEN6_RP_UP_BUSY_AVG |
-                  (IS_HASWELL(dev) ? GEN7_RP_DOWN_IDLE_AVG : 
GEN6_RP_DOWN_IDLE_CONT));
+                  GEN6_RP_DOWN_IDLE_CONT);
 
        if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
                     500))
@@ -2519,7 +2519,7 @@ static void gen6_enable_rps(struct drm_device *dev)
        if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
                     500))
                DRM_ERROR("timeout waiting for pcode mailbox to become idle\n");
-       I915_WRITE(GEN6_PCODE_MAILBOX, GEN6_READ_OC_PARAMS);
+       I915_WRITE(GEN6_PCODE_MAILBOX, GEN6_PCODE_READY | GEN6_READ_OC_PARAMS);
        pcu_mbox = I915_READ(GEN6_PCODE_DATA);
        if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & GEN6_PCODE_READY) == 0,
                     500))
-- 
1.7.11.7

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