drm/i915: clean up unused vgpu_read/write

Having converted the force_wake_get/_put routines for a vGPU to be no-op,
we can use the common mmio accessors and remove our specialised routines
that simply skipped the calls to control force_wake.

Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1485408228-12932-1-git-send-email-weinan.z.li@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index da81874..3d243fe 100644 (file)
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1052,34 +1052,6 @@ __gen6_read(64)
 #undef GEN6_READ_FOOTER
 #undef GEN6_READ_HEADER
 
-#define VGPU_READ_HEADER(x) \
-       unsigned long irqflags; \
-       u##x val = 0; \
-       assert_rpm_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, i915_reg_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_rpm_wakelock_held(dev_priv); \
@@ -1202,31 +1174,6 @@ __gen6_write(32)
 #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_rpm_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, \
-                         i915_reg_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)
-
-#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; \
@@ -1461,11 +1408,6 @@ void intel_uncore_init(struct drm_i915_private *dev_priv)
        if (INTEL_GEN(dev_priv) >= 8)
                intel_shadow_table_check();
 
-       if (intel_vgpu_active(dev_priv)) {
-               ASSIGN_WRITE_MMIO_VFUNCS(vgpu);
-               ASSIGN_READ_MMIO_VFUNCS(vgpu);
-       }
-
        i915_check_and_clear_faults(dev_priv);
 }
 #undef ASSIGN_WRITE_MMIO_VFUNCS