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path: root/drivers/gpu/drm/i915/intel_sideband.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sideband.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sideband.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
index cc6fbcde7d3..0954f132726 100644
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ b/drivers/gpu/drm/i915/intel_sideband.c
@@ -249,3 +249,17 @@ void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
return;
}
}
+
+u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg)
+{
+ u32 val = 0;
+ vlv_sideband_rw(dev_priv, DPIO_DEVFN, IOSF_PORT_FLISDSI,
+ DPIO_OPCODE_REG_READ, reg, &val);
+ return val;
+}
+
+void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val)
+{
+ vlv_sideband_rw(dev_priv, DPIO_DEVFN, IOSF_PORT_FLISDSI,
+ DPIO_OPCODE_REG_WRITE, reg, &val);
+}