We could split this out into a separate routine at some point as an
optimization.
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_drv.c | 3 +++
drivers/gpu/drm/i915/i915_reg.h | 3 +++
drivers/gpu/drm/i915/intel_pm.c | 8 +++++++-
3 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index dde54b1..8440d28a 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1211,7 +1211,10 @@ static bool IS_DISPLAYREG(u32 reg)
case GEN7_UCGCTL4:
case FORCEWAKE_VLV:
case FORCEWAKE_ACK_VLV:
+ case FORCEWAKE_MEDIA_VLV:
+ case FORCEWAKE_ACK_MEDIA_VLV:
case VLV_GTLC_WAKE_CTRL:
+ case VLV_GTLC_PW_STATUS:
case GFX_FLSH_CNTL_GEN6:
return false;
default:
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7325b7a..39c6318 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4210,9 +4210,12 @@
#define FORCEWAKE 0xA18C
#define FORCEWAKE_VLV 0x1300b0
#define FORCEWAKE_ACK_VLV 0x1300b4
+#define FORCEWAKE_MEDIA_VLV 0x1300b8
+#define FORCEWAKE_ACK_MEDIA_VLV 0x1300bc
#define FORCEWAKE_ACK_HSW 0x130044
#define FORCEWAKE_ACK 0x130090
#define VLV_GTLC_WAKE_CTRL 0x130090
+#define VLV_GTLC_PW_STATUS 0x130094
#define FORCEWAKE_MT 0xa188 /* multi-threaded */
#define FORCEWAKE_KERNEL 0x1
#define FORCEWAKE_USER 0x2
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bb97309..36f019b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4260,10 +4260,15 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL));
+ I915_WRITE_NOTRACE(FORCEWAKE_MEDIA_VLV, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL));
if (wait_for_atomic((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1),
FORCEWAKE_ACK_TIMEOUT_MS))
- DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
+ DRM_ERROR("Timed out waiting for GT to ack forcewake request.\n");
+
+ if (wait_for_atomic((I915_READ_NOTRACE(FORCEWAKE_ACK_MEDIA_VLV) & 1),
+ FORCEWAKE_ACK_TIMEOUT_MS))
+ DRM_ERROR("Timed out waiting for media to ack forcewake request.\n");
__gen6_gt_wait_for_thread_c0(dev_priv);
}
@@ -4271,6 +4276,7 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
static void vlv_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
+ I915_WRITE_NOTRACE(FORCEWAKE_MEDIA_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
/* The below doubles as a POSTING_READ */
gen6_gt_check_fifodbg(dev_priv);
}
--
1.7.9.5
