1 files changed, 0 insertions, 99 deletions
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
deleted file mode 100644
index cb2349ad338d..000000000000
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ /dev/null
@@ -1,99 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * drm kms/fb cma (contiguous memory allocator) helper functions
- *
- * Copyright (C) 2012 Analog Devices Inc.
- *   Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Based on udl_fbdev.c
- *  Copyright (C) 2012 Red Hat
- */
-
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_plane.h>
-#include <linux/module.h>
-
-/**
- * DOC: framebuffer cma helper functions
- *
- * Provides helper functions for creating a cma (contiguous memory allocator)
- * backed framebuffer.
- *
- * drm_gem_fb_create() is used in the &drm_mode_config_funcs.fb_create
- * callback function to create a cma backed framebuffer.
- */
-
-/**
- * drm_fb_cma_get_gem_obj() - Get CMA GEM object for framebuffer
- * @fb: The framebuffer
- * @plane: Which plane
- *
- * Return the CMA GEM object for given framebuffer.
- *
- * This function will usually be called from the CRTC callback functions.
- */
-struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
-						  unsigned int plane)
-{
-	struct drm_gem_object *gem;
-
-	gem = drm_gem_fb_get_obj(fb, plane);
-	if (!gem)
-		return NULL;
-
-	return to_drm_gem_cma_obj(gem);
-}
-EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_obj);
-
-/**
- * drm_fb_cma_get_gem_addr() - Get physical address for framebuffer, for pixel
- * formats where values are grouped in blocks this will get you the beginning of
- * the block
- * @fb: The framebuffer
- * @state: Which state of drm plane
- * @plane: Which plane
- * Return the CMA GEM address for given framebuffer.
- *
- * This function will usually be called from the PLANE callback functions.
- */
-dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
-				   struct drm_plane_state *state,
-				   unsigned int plane)
-{
-	struct drm_gem_cma_object *obj;
-	dma_addr_t paddr;
-	u8 h_div = 1, v_div = 1;
-	u32 block_w = drm_format_info_block_width(fb->format, plane);
-	u32 block_h = drm_format_info_block_height(fb->format, plane);
-	u32 block_size = fb->format->char_per_block[plane];
-	u32 sample_x;
-	u32 sample_y;
-	u32 block_start_y;
-	u32 num_hblocks;
-
-	obj = drm_fb_cma_get_gem_obj(fb, plane);
-	if (!obj)
-		return 0;
-
-	paddr = obj->paddr + fb->offsets[plane];
-
-	if (plane > 0) {
-		h_div = fb->format->hsub;
-		v_div = fb->format->vsub;
-	}
-
-	sample_x = (state->src_x >> 16) / h_div;
-	sample_y = (state->src_y >> 16) / v_div;
-	block_start_y = (sample_y / block_h) * block_h;
-	num_hblocks = sample_x / block_w;
-
-	paddr += fb->pitches[plane] * block_start_y;
-	paddr += block_size * num_hblocks;
-
-	return paddr;
-}
-EXPORT_SYMBOL_GPL(drm_fb_cma_get_gem_addr);