diff --git a/drivers/gpu/drm/i915/display/intel_csr.c b/drivers/gpu/drm/i915/display/intel_csr.c
index 5b6a2ea35665..2d8b6f2fed7f 100644
--- a/drivers/gpu/drm/i915/display/intel_csr.c
+++ b/drivers/gpu/drm/i915/display/intel_csr.c
@@ -302,14 +302,14 @@ static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv)
 }
 
 /**
- * intel_csr_load_program() - write the firmware from memory to register.
+ * intel_dmc_load_program() - write the firmware from memory to register.
  * @dev_priv: i915 drm device.
  *
- * CSR firmware is read from a .bin file and kept in internal memory one time.
+ * DMC firmware is read from a .bin file and kept in internal memory one time.
  * Everytime display comes back from low power state this function is called to
  * copy the firmware from internal memory to registers.
  */
-void intel_csr_load_program(struct drm_i915_private *dev_priv)
+void intel_dmc_load_program(struct drm_i915_private *dev_priv)
 {
 	u32 *payload = dev_priv->dmc.dmc_payload;
 	u32 i, fw_size;
@@ -391,9 +391,9 @@ static u32 find_dmc_fw_offset(const struct intel_fw_info *fw_info,
 	return dmc_offset;
 }
 
-static u32 parse_csr_fw_dmc(struct intel_dmc *dmc,
-			    const struct intel_dmc_header_base *dmc_header,
-			    size_t rem_size)
+static u32 parse_dmc_fw_header(struct intel_dmc *dmc,
+			       const struct intel_dmc_header_base *dmc_header,
+			       size_t rem_size)
 {
 	unsigned int header_len_bytes, dmc_header_size, payload_size, i;
 	const u32 *mmioaddr, *mmiodata;
@@ -498,7 +498,7 @@ static u32 parse_csr_fw_dmc(struct intel_dmc *dmc,
 }
 
 static u32
-parse_csr_fw_package(struct intel_dmc *dmc,
+parse_dmc_fw_package(struct intel_dmc *dmc,
 		     const struct intel_package_header *package_header,
 		     const struct stepping_info *si,
 		     size_t rem_size)
@@ -557,7 +557,7 @@ parse_csr_fw_package(struct intel_dmc *dmc,
 }
 
 /* Return number of bytes parsed or 0 on error */
-static u32 parse_csr_fw_css(struct intel_dmc *dmc,
+static u32 parse_dmc_fw_css(struct intel_dmc *dmc,
 			    struct intel_css_header *css_header,
 			    size_t rem_size)
 {
@@ -590,7 +590,7 @@ static u32 parse_csr_fw_css(struct intel_dmc *dmc,
 	return sizeof(struct intel_css_header);
 }
 
-static void parse_csr_fw(struct drm_i915_private *dev_priv,
+static void parse_dmc_fw(struct drm_i915_private *dev_priv,
 			 const struct firmware *fw)
 {
 	struct intel_css_header *css_header;
@@ -606,7 +606,7 @@ static void parse_csr_fw(struct drm_i915_private *dev_priv,
 
 	/* Extract CSS Header information */
 	css_header = (struct intel_css_header *)fw->data;
-	r = parse_csr_fw_css(dmc, css_header, fw->size);
+	r = parse_dmc_fw_css(dmc, css_header, fw->size);
 	if (!r)
 		return;
 
@@ -614,7 +614,7 @@ static void parse_csr_fw(struct drm_i915_private *dev_priv,
 
 	/* Extract Package Header information */
 	package_header = (struct intel_package_header *)&fw->data[readcount];
-	r = parse_csr_fw_package(dmc, package_header, si, fw->size - readcount);
+	r = parse_dmc_fw_package(dmc, package_header, si, fw->size - readcount);
 	if (!r)
 		return;
 
@@ -622,17 +622,17 @@ static void parse_csr_fw(struct drm_i915_private *dev_priv,
 
 	/* Extract dmc_header information */
 	dmc_header = (struct intel_dmc_header_base *)&fw->data[readcount];
-	parse_csr_fw_dmc(dmc, dmc_header, fw->size - readcount);
+	parse_dmc_fw_header(dmc, dmc_header, fw->size - readcount);
 }
 
-static void intel_csr_runtime_pm_get(struct drm_i915_private *dev_priv)
+static void intel_dmc_runtime_pm_get(struct drm_i915_private *dev_priv)
 {
 	drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref);
 	dev_priv->dmc.wakeref =
 		intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
 }
 
-static void intel_csr_runtime_pm_put(struct drm_i915_private *dev_priv)
+static void intel_dmc_runtime_pm_put(struct drm_i915_private *dev_priv)
 {
 	intel_wakeref_t wakeref __maybe_unused =
 		fetch_and_zero(&dev_priv->dmc.wakeref);
@@ -640,7 +640,7 @@ static void intel_csr_runtime_pm_put(struct drm_i915_private *dev_priv)
 	intel_display_power_put(dev_priv, POWER_DOMAIN_INIT, wakeref);
 }
 
-static void csr_load_work_fn(struct work_struct *work)
+static void dmc_load_work_fn(struct work_struct *work)
 {
 	struct drm_i915_private *dev_priv;
 	struct intel_dmc *dmc;
@@ -650,11 +650,11 @@ static void csr_load_work_fn(struct work_struct *work)
 	dmc = &dev_priv->dmc;
 
 	request_firmware(&fw, dev_priv->dmc.fw_path, dev_priv->drm.dev);
-	parse_csr_fw(dev_priv, fw);
+	parse_dmc_fw(dev_priv, fw);
 
 	if (dev_priv->dmc.dmc_payload) {
-		intel_csr_load_program(dev_priv);
-		intel_csr_runtime_pm_put(dev_priv);
+		intel_dmc_load_program(dev_priv);
+		intel_dmc_runtime_pm_put(dev_priv);
 
 		drm_info(&dev_priv->drm,
 			 "Finished loading DMC firmware %s (v%u.%u)\n",
@@ -673,17 +673,17 @@ static void csr_load_work_fn(struct work_struct *work)
 }
 
 /**
- * intel_csr_ucode_init() - initialize the firmware loading.
+ * intel_dmc_ucode_init() - initialize the firmware loading.
  * @dev_priv: i915 drm device.
  *
  * This function is called at the time of loading the display driver to read
  * firmware from a .bin file and copied into a internal memory.
  */
-void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
+void intel_dmc_ucode_init(struct drm_i915_private *dev_priv)
 {
 	struct intel_dmc *dmc = &dev_priv->dmc;
 
-	INIT_WORK(&dev_priv->dmc.work, csr_load_work_fn);
+	INIT_WORK(&dev_priv->dmc.work, dmc_load_work_fn);
 
 	if (!HAS_DMC(dev_priv))
 		return;
@@ -696,7 +696,7 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 	 * suspend as runtime suspend *requires* a working DMC for whatever
 	 * reason.
 	 */
-	intel_csr_runtime_pm_get(dev_priv);
+	intel_dmc_runtime_pm_get(dev_priv);
 
 	if (IS_ALDERLAKE_S(dev_priv)) {
 		dmc->fw_path = ADLS_DMC_PATH;
@@ -766,14 +766,14 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
 }
 
 /**
- * intel_csr_ucode_suspend() - prepare CSR firmware before system suspend
+ * intel_dmc_ucode_suspend() - prepare DMC firmware before system suspend
  * @dev_priv: i915 drm device
  *
  * Prepare the DMC firmware before entering system suspend. This includes
  * flushing pending work items and releasing any resources acquired during
  * init.
  */
-void intel_csr_ucode_suspend(struct drm_i915_private *dev_priv)
+void intel_dmc_ucode_suspend(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_DMC(dev_priv))
 		return;
@@ -782,17 +782,17 @@ void intel_csr_ucode_suspend(struct drm_i915_private *dev_priv)
 
 	/* Drop the reference held in case DMC isn't loaded. */
 	if (!dev_priv->dmc.dmc_payload)
-		intel_csr_runtime_pm_put(dev_priv);
+		intel_dmc_runtime_pm_put(dev_priv);
 }
 
 /**
- * intel_csr_ucode_resume() - init CSR firmware during system resume
+ * intel_dmc_ucode_resume() - init DMC firmware during system resume
  * @dev_priv: i915 drm device
  *
  * Reinitialize the DMC firmware during system resume, reacquiring any
- * resources released in intel_csr_ucode_suspend().
+ * resources released in intel_dmc_ucode_suspend().
  */
-void intel_csr_ucode_resume(struct drm_i915_private *dev_priv)
+void intel_dmc_ucode_resume(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_DMC(dev_priv))
 		return;
@@ -802,22 +802,22 @@ void intel_csr_ucode_resume(struct drm_i915_private *dev_priv)
 	 * loaded.
 	 */
 	if (!dev_priv->dmc.dmc_payload)
-		intel_csr_runtime_pm_get(dev_priv);
+		intel_dmc_runtime_pm_get(dev_priv);
 }
 
 /**
- * intel_csr_ucode_fini() - unload the CSR firmware.
+ * intel_dmc_ucode_fini() - unload the DMC firmware.
  * @dev_priv: i915 drm device.
  *
  * Firmmware unloading includes freeing the internal memory and reset the
  * firmware loading status.
  */
-void intel_csr_ucode_fini(struct drm_i915_private *dev_priv)
+void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv)
 {
 	if (!HAS_DMC(dev_priv))
 		return;
 
-	intel_csr_ucode_suspend(dev_priv);
+	intel_dmc_ucode_suspend(dev_priv);
 	drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref);
 
 	kfree(dev_priv->dmc.dmc_payload);
diff --git a/drivers/gpu/drm/i915/display/intel_csr.h b/drivers/gpu/drm/i915/display/intel_csr.h
index 984e9fb250f8..fc4960b91686 100644
--- a/drivers/gpu/drm/i915/display/intel_csr.h
+++ b/drivers/gpu/drm/i915/display/intel_csr.h
@@ -12,10 +12,10 @@ struct drm_i915_private;
 #define DMC_VERSION_MAJOR(version)	((version) >> 16)
 #define DMC_VERSION_MINOR(version)	((version) & 0xffff)
 
-void intel_csr_ucode_init(struct drm_i915_private *i915);
-void intel_csr_load_program(struct drm_i915_private *i915);
-void intel_csr_ucode_fini(struct drm_i915_private *i915);
-void intel_csr_ucode_suspend(struct drm_i915_private *i915);
-void intel_csr_ucode_resume(struct drm_i915_private *i915);
+void intel_dmc_ucode_init(struct drm_i915_private *i915);
+void intel_dmc_load_program(struct drm_i915_private *i915);
+void intel_dmc_ucode_fini(struct drm_i915_private *i915);
+void intel_dmc_ucode_suspend(struct drm_i915_private *i915);
+void intel_dmc_ucode_resume(struct drm_i915_private *i915);
 
 #endif /* __INTEL_CSR_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 0c2b194006f8..4efb5d28712c 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -12144,7 +12144,7 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 	if (!HAS_DISPLAY(i915))
 		return 0;
 
-	intel_csr_ucode_init(i915);
+	intel_dmc_ucode_init(i915);
 
 	i915->modeset_wq = alloc_ordered_workqueue("i915_modeset", 0);
 	i915->flip_wq = alloc_workqueue("i915_flip", WQ_HIGHPRI |
@@ -12156,15 +12156,15 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 
 	ret = intel_cdclk_init(i915);
 	if (ret)
-		goto cleanup_vga_client_pw_domain_csr;
+		goto cleanup_vga_client_pw_domain_dmc;
 
 	ret = intel_dbuf_init(i915);
 	if (ret)
-		goto cleanup_vga_client_pw_domain_csr;
+		goto cleanup_vga_client_pw_domain_dmc;
 
 	ret = intel_bw_init(i915);
 	if (ret)
-		goto cleanup_vga_client_pw_domain_csr;
+		goto cleanup_vga_client_pw_domain_dmc;
 
 	init_llist_head(&i915->atomic_helper.free_list);
 	INIT_WORK(&i915->atomic_helper.free_work,
@@ -12176,8 +12176,8 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915)
 
 	return 0;
 
-cleanup_vga_client_pw_domain_csr:
-	intel_csr_ucode_fini(i915);
+cleanup_vga_client_pw_domain_dmc:
+	intel_dmc_ucode_fini(i915);
 	intel_power_domains_driver_remove(i915);
 	intel_vga_unregister(i915);
 cleanup_bios:
@@ -13256,7 +13256,7 @@ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915)
 /* part #3: call after gem init */
 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915)
 {
-	intel_csr_ucode_fini(i915);
+	intel_dmc_ucode_fini(i915);
 
 	intel_power_domains_driver_remove(i915);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index ad604bae582f..72f6e1ea711a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -958,7 +958,7 @@ static void bxt_disable_dc9(struct drm_i915_private *dev_priv)
 	intel_pps_unlock_regs_wa(dev_priv);
 }
 
-static void assert_csr_loaded(struct drm_i915_private *dev_priv)
+static void assert_dmc_loaded(struct drm_i915_private *dev_priv)
 {
 	drm_WARN_ONCE(&dev_priv->drm,
 		      !intel_de_read(dev_priv, DMC_PROGRAM(0)),
@@ -1057,7 +1057,7 @@ static void assert_can_enable_dc5(struct drm_i915_private *dev_priv)
 		      "DC5 already programmed to be enabled.\n");
 	assert_rpm_wakelock_held(&dev_priv->runtime_pm);
 
-	assert_csr_loaded(dev_priv);
+	assert_dmc_loaded(dev_priv);
 }
 
 static void gen9_enable_dc5(struct drm_i915_private *dev_priv)
@@ -1084,7 +1084,7 @@ static void assert_can_enable_dc6(struct drm_i915_private *dev_priv)
 		       DC_STATE_EN_UPTO_DC6),
 		      "DC6 already programmed to be enabled.\n");
 
-	assert_csr_loaded(dev_priv);
+	assert_dmc_loaded(dev_priv);
 }
 
 static void skl_enable_dc6(struct drm_i915_private *dev_priv)
@@ -5152,7 +5152,7 @@ static void skl_display_core_init(struct drm_i915_private *dev_priv,
 	gen9_dbuf_enable(dev_priv);
 
 	if (resume && dev_priv->dmc.dmc_payload)
-		intel_csr_load_program(dev_priv);
+		intel_dmc_load_program(dev_priv);
 }
 
 static void skl_display_core_uninit(struct drm_i915_private *dev_priv)
@@ -5219,7 +5219,7 @@ static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume
 	gen9_dbuf_enable(dev_priv);
 
 	if (resume && dev_priv->dmc.dmc_payload)
-		intel_csr_load_program(dev_priv);
+		intel_dmc_load_program(dev_priv);
 }
 
 static void bxt_display_core_uninit(struct drm_i915_private *dev_priv)
@@ -5285,7 +5285,7 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume
 	gen9_dbuf_enable(dev_priv);
 
 	if (resume && dev_priv->dmc.dmc_payload)
-		intel_csr_load_program(dev_priv);
+		intel_dmc_load_program(dev_priv);
 }
 
 static void cnl_display_core_uninit(struct drm_i915_private *dev_priv)
@@ -5442,7 +5442,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
 		tgl_bw_buddy_init(dev_priv);
 
 	if (resume && dev_priv->dmc.dmc_payload)
-		intel_csr_load_program(dev_priv);
+		intel_dmc_load_program(dev_priv);
 
 	/* Wa_14011508470 */
 	if (DISPLAY_VER(dev_priv) == 12) {
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 5118dc8386b2..f2a9583dfecc 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1043,7 +1043,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
 	intel_suspend_encoders(i915);
 	intel_shutdown_encoders(i915);
 
-	intel_csr_ucode_suspend(i915);
+	intel_dmc_ucode_suspend(i915);
 
 	/*
 	 * The only requirement is to reboot with display DC states disabled,
@@ -1124,7 +1124,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 
 	dev_priv->suspend_count++;
 
-	intel_csr_ucode_suspend(dev_priv);
+	intel_dmc_ucode_suspend(dev_priv);
 
 	enable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
 
@@ -1226,7 +1226,7 @@ static int i915_drm_resume(struct drm_device *dev)
 
 	i915_ggtt_resume(&dev_priv->ggtt);
 
-	intel_csr_ucode_resume(dev_priv);
+	intel_dmc_ucode_resume(dev_priv);
 
 	i915_restore_display(dev_priv);
 	intel_pps_unlock_regs_wa(dev_priv);
