diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 9b3a3a9d60e2..2fc0334e0d6c 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1133,7 +1133,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
 
 static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 				 struct drm_framebuffer *fb,
-				 int x, int y, int atomic)
+				 int x, int y)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
@@ -1150,33 +1150,23 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 	bool bypass_lut = false;
 
 	/* no fb bound */
-	if (!atomic && !crtc->primary->fb) {
+	if (!crtc->primary->fb) {
 		DRM_DEBUG_KMS("No FB bound\n");
 		return 0;
 	}
 
-	if (atomic)
-		target_fb = fb;
-	else
-		target_fb = crtc->primary->fb;
+	target_fb = crtc->primary->fb;
 
-	/* If atomic, assume fb object is pinned & idle & fenced and
-	 * just update base pointers
-	 */
 	obj = target_fb->obj[0];
 	rbo = gem_to_radeon_bo(obj);
 	r = radeon_bo_reserve(rbo, false);
 	if (unlikely(r != 0))
 		return r;
 
-	if (atomic)
-		fb_location = radeon_bo_gpu_offset(rbo);
-	else {
-		r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
-		if (unlikely(r != 0)) {
-			radeon_bo_unreserve(rbo);
-			return -EINVAL;
-		}
+	r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+	if (unlikely(r != 0)) {
+		radeon_bo_unreserve(rbo);
+		return -EINVAL;
 	}
 
 	radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
@@ -1437,7 +1427,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 	/* set pageflip to happen anywhere in vblank interval */
 	WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
 
-	if (!atomic && fb && fb != crtc->primary->fb) {
+	if (fb && fb != crtc->primary->fb) {
 		rbo = gem_to_radeon_bo(fb->obj[0]);
 		r = radeon_bo_reserve(rbo, false);
 		if (unlikely(r != 0))
@@ -1454,7 +1444,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
 
 static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
 				  struct drm_framebuffer *fb,
-				  int x, int y, int atomic)
+				  int x, int y)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
@@ -1470,15 +1460,12 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
 	bool bypass_lut = false;
 
 	/* no fb bound */
-	if (!atomic && !crtc->primary->fb) {
+	if (!crtc->primary->fb) {
 		DRM_DEBUG_KMS("No FB bound\n");
 		return 0;
 	}
 
-	if (atomic)
-		target_fb = fb;
-	else
-		target_fb = crtc->primary->fb;
+	target_fb = crtc->primary->fb;
 
 	obj = target_fb->obj[0];
 	rbo = gem_to_radeon_bo(obj);
@@ -1486,17 +1473,10 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
 	if (unlikely(r != 0))
 		return r;
 
-	/* If atomic, assume fb object is pinned & idle & fenced and
-	 * just update base pointers
-	 */
-	if (atomic)
-		fb_location = radeon_bo_gpu_offset(rbo);
-	else {
-		r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
-		if (unlikely(r != 0)) {
-			radeon_bo_unreserve(rbo);
-			return -EINVAL;
-		}
+	r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+	if (unlikely(r != 0)) {
+		radeon_bo_unreserve(rbo);
+		return -EINVAL;
 	}
 	radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
 	radeon_bo_unreserve(rbo);
@@ -1645,7 +1625,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
 	/* set pageflip to happen only at start of vblank interval (front porch) */
 	WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3);
 
-	if (!atomic && fb && fb != crtc->primary->fb) {
+	if (fb && fb != crtc->primary->fb) {
 		rbo = gem_to_radeon_bo(fb->obj[0]);
 		r = radeon_bo_reserve(rbo, false);
 		if (unlikely(r != 0))
@@ -1667,26 +1647,11 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 	struct radeon_device *rdev = dev->dev_private;
 
 	if (ASIC_IS_DCE4(rdev))
-		return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
+		return dce4_crtc_do_set_base(crtc, old_fb, x, y);
 	else if (ASIC_IS_AVIVO(rdev))
-		return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
+		return avivo_crtc_do_set_base(crtc, old_fb, x, y);
 	else
-		return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
-}
-
-int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
-				  struct drm_framebuffer *fb,
-				  int x, int y, enum mode_set_atomic state)
-{
-	struct drm_device *dev = crtc->dev;
-	struct radeon_device *rdev = dev->dev_private;
-
-	if (ASIC_IS_DCE4(rdev))
-		return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
-	else if (ASIC_IS_AVIVO(rdev))
-		return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
-	else
-		return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
+		return radeon_crtc_do_set_base(crtc, old_fb, x, y);
 }
 
 /* properly set additional regs when using atombios */
@@ -2215,7 +2180,6 @@ static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
 	.mode_fixup = atombios_crtc_mode_fixup,
 	.mode_set = atombios_crtc_mode_set,
 	.mode_set_base = atombios_crtc_set_base,
-	.mode_set_base_atomic = atombios_crtc_set_base_atomic,
 	.prepare = atombios_crtc_prepare,
 	.commit = atombios_crtc_commit,
 	.disable = atombios_crtc_disable,
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 825b351ff53c..a1054c8094d4 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -360,19 +360,12 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 			 struct drm_framebuffer *old_fb)
 {
-	return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
-}
-
-int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
-				struct drm_framebuffer *fb,
-				int x, int y, enum mode_set_atomic state)
-{
-	return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
+	return radeon_crtc_do_set_base(crtc, old_fb, x, y);
 }
 
 int radeon_crtc_do_set_base(struct drm_crtc *crtc,
 			 struct drm_framebuffer *fb,
-			 int x, int y, int atomic)
+			 int x, int y)
 {
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
@@ -390,15 +383,12 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
 
 	DRM_DEBUG_KMS("\n");
 	/* no fb bound */
-	if (!atomic && !crtc->primary->fb) {
+	if (!crtc->primary->fb) {
 		DRM_DEBUG_KMS("No FB bound\n");
 		return 0;
 	}
 
-	if (atomic)
-		target_fb = fb;
-	else
-		target_fb = crtc->primary->fb;
+	target_fb = crtc->primary->fb;
 
 	switch (target_fb->format->cpp[0] * 8) {
 	case 8:
@@ -445,7 +435,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
 		 * We don't shutdown the display controller because new buffer
 		 * will end up in same spot.
 		 */
-		if (!atomic && fb && fb != crtc->primary->fb) {
+		if (fb && fb != crtc->primary->fb) {
 			struct radeon_bo *old_rbo;
 			unsigned long nsize, osize;
 
@@ -555,7 +545,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
 	WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset);
 	WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
 
-	if (!atomic && fb && fb != crtc->primary->fb) {
+	if (fb && fb != crtc->primary->fb) {
 		rbo = gem_to_radeon_bo(fb->obj[0]);
 		r = radeon_bo_reserve(rbo, false);
 		if (unlikely(r != 0))
@@ -1108,7 +1098,6 @@ static const struct drm_crtc_helper_funcs legacy_helper_funcs = {
 	.mode_fixup = radeon_crtc_mode_fixup,
 	.mode_set = radeon_crtc_mode_set,
 	.mode_set_base = radeon_crtc_set_base,
-	.mode_set_base_atomic = radeon_crtc_set_base_atomic,
 	.prepare = radeon_crtc_prepare,
 	.commit = radeon_crtc_commit,
 	.disable = radeon_crtc_disable,
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 9e34da2cacef..088af85902f7 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -804,10 +804,6 @@ extern bool radeon_encoder_is_digital(struct drm_encoder *encoder);
 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 				   struct drm_framebuffer *old_fb);
-extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
-					 struct drm_framebuffer *fb,
-					 int x, int y,
-					 enum mode_set_atomic state);
 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
 				   struct drm_display_mode *mode,
 				   struct drm_display_mode *adjusted_mode,
@@ -817,13 +813,9 @@ extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
 
 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 				 struct drm_framebuffer *old_fb);
-extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
-				       struct drm_framebuffer *fb,
-				       int x, int y,
-				       enum mode_set_atomic state);
 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
 				   struct drm_framebuffer *fb,
-				   int x, int y, int atomic);
+				   int x, int y);
 extern int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
 				   struct drm_file *file_priv,
 				   uint32_t handle,