diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 598f83a..99cda888 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4543,13 +4543,13 @@
 #define  PORT_CLK_SEL_WRPLL2		(5<<29)
 #define  PORT_CLK_SEL_NONE		(7<<29)
 
-/* Pipe clock selection */
-#define PIPE_CLK_SEL_A			0x46140
-#define PIPE_CLK_SEL_B			0x46144
-#define PIPE_CLK_SEL(pipe) _PIPE(pipe, PIPE_CLK_SEL_A, PIPE_CLK_SEL_B)
-/* For each pipe, we need to select the corresponding port clock */
-#define  PIPE_CLK_SEL_DISABLED		(0x0<<29)
-#define  PIPE_CLK_SEL_PORT(x)		((x+1)<<29)
+/* Transcoder clock selection */
+#define TRANS_CLK_SEL_A			0x46140
+#define TRANS_CLK_SEL_B			0x46144
+#define TRANS_CLK_SEL(tran) _TRANSCODER(tran, TRANS_CLK_SEL_A, TRANS_CLK_SEL_B)
+/* For each transcoder, we need to select the corresponding port clock */
+#define  TRANS_CLK_SEL_DISABLED		(0x0<<29)
+#define  TRANS_CLK_SEL_PORT(x)		((x+1)<<29)
 
 #define _PIPEA_MSA_MISC			0x60410
 #define _PIPEB_MSA_MISC			0x61410
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 81cca482..f568862 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1095,15 +1095,21 @@
 	struct drm_i915_private *dev_priv = crtc->dev->dev_private;
 	struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
 	enum port port = intel_ddi_get_encoder_port(intel_encoder);
+	enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
 
-	I915_WRITE(PIPE_CLK_SEL(intel_crtc->pipe), PIPE_CLK_SEL_PORT(port));
+	if (cpu_transcoder != TRANSCODER_EDP)
+		I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+			   TRANS_CLK_SEL_PORT(port));
 }
 
 void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc)
 {
 	struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
+	enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
 
-	I915_WRITE(PIPE_CLK_SEL(intel_crtc->pipe), PIPE_CLK_SEL_DISABLED);
+	if (cpu_transcoder != TRANSCODER_EDP)
+		I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+			   TRANS_CLK_SEL_DISABLED);
 }
 
 void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)