From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
I need to add a new variable into GEN6_{READ,WRITE}_HEADER, but the vgpu
won't need it, so let's avoid an unused variable warning by splitting
the vgpu stuff to use its own macros.
Cc: Eddie Dong <eddie.dong@xxxxxxxxx>
Cc: Jike Song <jike.song@xxxxxxxxx>
Cc: Kevin Tian <kevin.tian@xxxxxxxxx>
Cc: Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx>
Cc: Zhi Wang <zhi.a.wang@xxxxxxxxx>
Cc: Zhiyuan Lv <zhiyuan.lv@xxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_uncore.c | 80 +++++++++++++++++++++++++------------
1 file changed, 54 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index ced494a..52ba23d 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -701,14 +701,6 @@ static inline void __force_wake_get(struct drm_i915_private *dev_priv,
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains);
}
-#define __vgpu_read(x) \
-static u##x \
-vgpu_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \
- GEN6_READ_HEADER(x); \
- val = __raw_i915_read##x(dev_priv, reg); \
- GEN6_READ_FOOTER; \
-}
-
#define __gen6_read(x) \
static u##x \
gen6_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \
@@ -783,10 +775,6 @@ gen9_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \
GEN6_READ_FOOTER; \
}
-__vgpu_read(8)
-__vgpu_read(16)
-__vgpu_read(32)
-__vgpu_read(64)
__gen9_read(8)
__gen9_read(16)
__gen9_read(32)
@@ -808,10 +796,37 @@ __gen6_read(64)
#undef __chv_read
#undef __vlv_read
#undef __gen6_read
-#undef __vgpu_read
#undef GEN6_READ_FOOTER
#undef GEN6_READ_HEADER
+#define VGPU_READ_HEADER(x) \
+ unsigned long irqflags; \
+ u##x val = 0; \
+ assert_device_not_suspended(dev_priv); \
+ spin_lock_irqsave(&dev_priv->uncore.lock, irqflags)
+
+#define VGPU_READ_FOOTER \
+ spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); \
+ trace_i915_reg_rw(false, reg, val, sizeof(val), trace); \
+ return val
+
+#define __vgpu_read(x) \
+static u##x \
+vgpu_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \
+ VGPU_READ_HEADER(x); \
+ val = __raw_i915_read##x(dev_priv, reg); \
+ VGPU_READ_FOOTER; \
+}
+
+__vgpu_read(8)
+__vgpu_read(16)
+__vgpu_read(32)
+__vgpu_read(64)
+
+#undef __vgpu_read
+#undef VGPU_READ_FOOTER
+#undef VGPU_READ_HEADER
+
#define GEN2_WRITE_HEADER \
trace_i915_reg_rw(true, reg, val, sizeof(val), trace); \
assert_device_not_suspended(dev_priv); \
@@ -892,14 +907,6 @@ hsw_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace)
GEN6_WRITE_FOOTER; \
}
-#define __vgpu_write(x) \
-static void vgpu_write##x(struct drm_i915_private *dev_priv, \
- off_t reg, u##x val, bool trace) { \
- GEN6_WRITE_HEADER; \
- __raw_i915_write##x(dev_priv, reg, val); \
- GEN6_WRITE_FOOTER; \
-}
-
static const u32 gen8_shadowed_regs[] = {
FORCEWAKE_MT,
GEN6_RPNSWREQ,
@@ -1023,20 +1030,41 @@ __gen6_write(8)
__gen6_write(16)
__gen6_write(32)
__gen6_write(64)
-__vgpu_write(8)
-__vgpu_write(16)
-__vgpu_write(32)
-__vgpu_write(64)
#undef __gen9_write
#undef __chv_write
#undef __gen8_write
#undef __hsw_write
#undef __gen6_write
-#undef __vgpu_write
#undef GEN6_WRITE_FOOTER
#undef GEN6_WRITE_HEADER
+#define VGPU_WRITE_HEADER \
+ unsigned long irqflags; \
+ trace_i915_reg_rw(true, reg, val, sizeof(val), trace); \
+ assert_device_not_suspended(dev_priv); \
+ spin_lock_irqsave(&dev_priv->uncore.lock, irqflags)
+
+#define VGPU_WRITE_FOOTER \
+ spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags)
+
+#define __vgpu_write(x) \
+static void vgpu_write##x(struct drm_i915_private *dev_priv, \
+ off_t reg, u##x val, bool trace) { \
+ VGPU_WRITE_HEADER; \
+ __raw_i915_write##x(dev_priv, reg, val); \
+ VGPU_WRITE_FOOTER; \
+}
+
+__vgpu_write(8)
+__vgpu_write(16)
+__vgpu_write(32)
+__vgpu_write(64)
+
+#undef __vgpu_write
+#undef VGPU_WRITE_FOOTER
+#undef VGPU_WRITE_HEADER
+
#define ASSIGN_WRITE_MMIO_VFUNCS(x) \
do { \
dev_priv->uncore.funcs.mmio_writeb = x##_write8; \
--
2.4.10
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