drm/i915: s/LFP/LPF in DPIO PLL register names

LPF is short for "low pass filter".

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index f72d5a3..04cf6c0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1862,10 +1862,10 @@
 	seq_printf(m, "DPIO_CORE_CLK_B: 0x%08x\n",
 		   vlv_dpio_read(dev_priv, _DPIO_CORE_CLK_B));
 
-	seq_printf(m, "DPIO_LFP_COEFF_A: 0x%08x\n",
-		   vlv_dpio_read(dev_priv, _DPIO_LFP_COEFF_A));
-	seq_printf(m, "DPIO_LFP_COEFF_B: 0x%08x\n",
-		   vlv_dpio_read(dev_priv, _DPIO_LFP_COEFF_B));
+	seq_printf(m, "DPIO_LPF_COEFF_A: 0x%08x\n",
+		   vlv_dpio_read(dev_priv, _DPIO_LPF_COEFF_A));
+	seq_printf(m, "DPIO_LPF_COEFF_B: 0x%08x\n",
+		   vlv_dpio_read(dev_priv, _DPIO_LPF_COEFF_B));
 
 	seq_printf(m, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
 		   vlv_dpio_read(dev_priv, DPIO_FASTCLK_DISABLE));
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 137be4c..b6f1fd9 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -448,9 +448,9 @@
 #define _DPIO_PLL_CML_B			0x806c
 #define DPIO_PLL_CML(pipe) _PIPE(pipe, _DPIO_PLL_CML_A, _DPIO_PLL_CML_B)
 
-#define _DPIO_LFP_COEFF_A		0x8048
-#define _DPIO_LFP_COEFF_B		0x8068
-#define DPIO_LFP_COEFF(pipe) _PIPE(pipe, _DPIO_LFP_COEFF_A, _DPIO_LFP_COEFF_B)
+#define _DPIO_LPF_COEFF_A		0x8048
+#define _DPIO_LPF_COEFF_B		0x8068
+#define DPIO_LPF_COEFF(pipe) _PIPE(pipe, _DPIO_LPF_COEFF_A, _DPIO_LPF_COEFF_B)
 
 #define DPIO_CALIBRATION		0x80ac
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 749d428..85f3eb7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4406,10 +4406,10 @@
 	if (crtc->config.port_clock == 162000 ||
 	    intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) ||
 	    intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI))
-		vlv_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe),
+		vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
 				 0x005f0021);
 	else
-		vlv_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe),
+		vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe),
 				 0x00d0000f);
 
 	if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) ||