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Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7b344c5300f..537404b9f76 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -351,12 +351,12 @@ struct drm_i915_error_state {
u32 ipeir;
u32 ipehr;
u32 instdone;
- u32 acthd;
u32 bbstate;
u32 instpm;
u32 instps;
u32 seqno;
u64 bbaddr;
+ u64 acthd;
u32 fault_reg;
u32 faddr;
u32 rc_psmi; /* sleep state */
@@ -2746,6 +2746,17 @@ void vlv_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine);
#define I915_WRITE64(reg, val) dev_priv->uncore.funcs.mmio_writeq(dev_priv, (reg), (val), true)
#define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
+#define I915_READ64_2x32(lower_reg, upper_reg) ({ \
+ u32 upper = I915_READ(upper_reg); \
+ u32 lower = I915_READ(lower_reg); \
+ u32 tmp = I915_READ(upper_reg); \
+ if (upper != tmp) { \
+ upper = tmp; \
+ lower = I915_READ(lower_reg); \
+ WARN_ON(I915_READ(upper_reg) != upper); \
+ } \
+ (u64)upper << 32 | lower; })
+
#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)