1 files changed, 0 insertions, 350 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
deleted file mode 100644
index ddc9355b06d5..000000000000
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ /dev/null
@@ -1,350 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2015 MediaTek Inc.
- * Author: CK Hu <ck.hu@mediatek.com>
- */
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_atomic_uapi.h>
-#include <drm/drm_blend.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_gem_atomic_helper.h>
-#include <linux/align.h>
-
-#include "mtk_drm_crtc.h"
-#include "mtk_drm_ddp_comp.h"
-#include "mtk_drm_drv.h"
-#include "mtk_drm_gem.h"
-#include "mtk_drm_plane.h"
-
-static const u64 modifiers[] = {
-	DRM_FORMAT_MOD_LINEAR,
-	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
-				AFBC_FORMAT_MOD_SPLIT |
-				AFBC_FORMAT_MOD_SPARSE),
-	DRM_FORMAT_MOD_INVALID,
-};
-
-static void mtk_plane_reset(struct drm_plane *plane)
-{
-	struct mtk_plane_state *state;
-
-	if (plane->state) {
-		__drm_atomic_helper_plane_destroy_state(plane->state);
-
-		state = to_mtk_plane_state(plane->state);
-		memset(state, 0, sizeof(*state));
-	} else {
-		state = kzalloc(sizeof(*state), GFP_KERNEL);
-		if (!state)
-			return;
-	}
-
-	__drm_atomic_helper_plane_reset(plane, &state->base);
-
-	state->base.plane = plane;
-	state->pending.format = DRM_FORMAT_RGB565;
-	state->pending.modifier = DRM_FORMAT_MOD_LINEAR;
-}
-
-static struct drm_plane_state *mtk_plane_duplicate_state(struct drm_plane *plane)
-{
-	struct mtk_plane_state *old_state = to_mtk_plane_state(plane->state);
-	struct mtk_plane_state *state;
-
-	state = kmalloc(sizeof(*state), GFP_KERNEL);
-	if (!state)
-		return NULL;
-
-	__drm_atomic_helper_plane_duplicate_state(plane, &state->base);
-
-	WARN_ON(state->base.plane != plane);
-
-	state->pending = old_state->pending;
-
-	return &state->base;
-}
-
-static bool mtk_plane_format_mod_supported(struct drm_plane *plane,
-					   uint32_t format,
-					   uint64_t modifier)
-{
-	if (modifier == DRM_FORMAT_MOD_LINEAR)
-		return true;
-
-	if (modifier != DRM_FORMAT_MOD_ARM_AFBC(
-				AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
-				AFBC_FORMAT_MOD_SPLIT |
-				AFBC_FORMAT_MOD_SPARSE))
-		return false;
-
-	if (format != DRM_FORMAT_XRGB8888 &&
-	    format != DRM_FORMAT_ARGB8888 &&
-	    format != DRM_FORMAT_BGRX8888 &&
-	    format != DRM_FORMAT_BGRA8888 &&
-	    format != DRM_FORMAT_ABGR8888 &&
-	    format != DRM_FORMAT_XBGR8888 &&
-	    format != DRM_FORMAT_RGB888 &&
-	    format != DRM_FORMAT_BGR888)
-		return false;
-
-	return true;
-}
-
-static void mtk_drm_plane_destroy_state(struct drm_plane *plane,
-					struct drm_plane_state *state)
-{
-	__drm_atomic_helper_plane_destroy_state(state);
-	kfree(to_mtk_plane_state(state));
-}
-
-static int mtk_plane_atomic_async_check(struct drm_plane *plane,
-					struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
-										 plane);
-	struct drm_crtc_state *crtc_state;
-	int ret;
-
-	if (plane != new_plane_state->crtc->cursor)
-		return -EINVAL;
-
-	if (!plane->state)
-		return -EINVAL;
-
-	if (!plane->state->fb)
-		return -EINVAL;
-
-	ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
-				       to_mtk_plane_state(new_plane_state));
-	if (ret)
-		return ret;
-
-	crtc_state = drm_atomic_get_existing_crtc_state(state, new_plane_state->crtc);
-
-	return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
-						   DRM_PLANE_NO_SCALING,
-						   DRM_PLANE_NO_SCALING,
-						   true, true);
-}
-
-static void mtk_plane_update_new_state(struct drm_plane_state *new_state,
-				       struct mtk_plane_state *mtk_plane_state)
-{
-	struct drm_framebuffer *fb = new_state->fb;
-	struct drm_gem_object *gem;
-	struct mtk_drm_gem_obj *mtk_gem;
-	unsigned int pitch, format;
-	u64 modifier;
-	dma_addr_t addr;
-	dma_addr_t hdr_addr = 0;
-	unsigned int hdr_pitch = 0;
-	int offset;
-
-	gem = fb->obj[0];
-	mtk_gem = to_mtk_gem_obj(gem);
-	addr = mtk_gem->dma_addr;
-	pitch = fb->pitches[0];
-	format = fb->format->format;
-	modifier = fb->modifier;
-
-	if (modifier == DRM_FORMAT_MOD_LINEAR) {
-		/*
-		 * Using dma_addr_t variable to calculate with multiplier of different types,
-		 * for example: addr += (new_state->src.x1 >> 16) * fb->format->cpp[0];
-		 * may cause coverity issue with unintentional overflow.
-		 */
-		offset = (new_state->src.x1 >> 16) * fb->format->cpp[0];
-		addr += offset;
-		offset = (new_state->src.y1 >> 16) * pitch;
-		addr += offset;
-	} else {
-		int width_in_blocks = ALIGN(fb->width, AFBC_DATA_BLOCK_WIDTH)
-				      / AFBC_DATA_BLOCK_WIDTH;
-		int height_in_blocks = ALIGN(fb->height, AFBC_DATA_BLOCK_HEIGHT)
-				       / AFBC_DATA_BLOCK_HEIGHT;
-		int x_offset_in_blocks = (new_state->src.x1 >> 16) / AFBC_DATA_BLOCK_WIDTH;
-		int y_offset_in_blocks = (new_state->src.y1 >> 16) / AFBC_DATA_BLOCK_HEIGHT;
-		int hdr_size, hdr_offset;
-
-		hdr_pitch = width_in_blocks * AFBC_HEADER_BLOCK_SIZE;
-		pitch = width_in_blocks * AFBC_DATA_BLOCK_WIDTH *
-			AFBC_DATA_BLOCK_HEIGHT * fb->format->cpp[0];
-
-		hdr_size = ALIGN(hdr_pitch * height_in_blocks, AFBC_HEADER_ALIGNMENT);
-		hdr_offset = hdr_pitch * y_offset_in_blocks +
-			AFBC_HEADER_BLOCK_SIZE * x_offset_in_blocks;
-
-		/*
-		 * Using dma_addr_t variable to calculate with multiplier of different types,
-		 * for example: addr += hdr_pitch * y_offset_in_blocks;
-		 * may cause coverity issue with unintentional overflow.
-		 */
-		hdr_addr = addr + hdr_offset;
-
-		/* The data plane is offset by 1 additional block. */
-		offset = pitch * y_offset_in_blocks +
-			 AFBC_DATA_BLOCK_WIDTH * AFBC_DATA_BLOCK_HEIGHT *
-			 fb->format->cpp[0] * (x_offset_in_blocks + 1);
-
-		/*
-		 * Using dma_addr_t variable to calculate with multiplier of different types,
-		 * for example: addr += pitch * y_offset_in_blocks;
-		 * may cause coverity issue with unintentional overflow.
-		 */
-		addr = addr + hdr_size + offset;
-	}
-
-	mtk_plane_state->pending.enable = true;
-	mtk_plane_state->pending.pitch = pitch;
-	mtk_plane_state->pending.hdr_pitch = hdr_pitch;
-	mtk_plane_state->pending.format = format;
-	mtk_plane_state->pending.modifier = modifier;
-	mtk_plane_state->pending.addr = addr;
-	mtk_plane_state->pending.hdr_addr = hdr_addr;
-	mtk_plane_state->pending.x = new_state->dst.x1;
-	mtk_plane_state->pending.y = new_state->dst.y1;
-	mtk_plane_state->pending.width = drm_rect_width(&new_state->dst);
-	mtk_plane_state->pending.height = drm_rect_height(&new_state->dst);
-	mtk_plane_state->pending.rotation = new_state->rotation;
-	mtk_plane_state->pending.color_encoding = new_state->color_encoding;
-}
-
-static void mtk_plane_atomic_async_update(struct drm_plane *plane,
-					  struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
-									   plane);
-	struct mtk_plane_state *new_plane_state = to_mtk_plane_state(plane->state);
-
-	plane->state->crtc_x = new_state->crtc_x;
-	plane->state->crtc_y = new_state->crtc_y;
-	plane->state->crtc_h = new_state->crtc_h;
-	plane->state->crtc_w = new_state->crtc_w;
-	plane->state->src_x = new_state->src_x;
-	plane->state->src_y = new_state->src_y;
-	plane->state->src_h = new_state->src_h;
-	plane->state->src_w = new_state->src_w;
-
-	mtk_plane_update_new_state(new_state, new_plane_state);
-	swap(plane->state->fb, new_state->fb);
-	wmb(); /* Make sure the above parameters are set before update */
-	new_plane_state->pending.async_dirty = true;
-	mtk_drm_crtc_async_update(new_state->crtc, plane, state);
-}
-
-static const struct drm_plane_funcs mtk_plane_funcs = {
-	.update_plane = drm_atomic_helper_update_plane,
-	.disable_plane = drm_atomic_helper_disable_plane,
-	.destroy = drm_plane_cleanup,
-	.reset = mtk_plane_reset,
-	.atomic_duplicate_state = mtk_plane_duplicate_state,
-	.atomic_destroy_state = mtk_drm_plane_destroy_state,
-	.format_mod_supported = mtk_plane_format_mod_supported,
-};
-
-static int mtk_plane_atomic_check(struct drm_plane *plane,
-				  struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
-										 plane);
-	struct drm_framebuffer *fb = new_plane_state->fb;
-	struct drm_crtc_state *crtc_state;
-	int ret;
-
-	if (!fb)
-		return 0;
-
-	if (WARN_ON(!new_plane_state->crtc))
-		return 0;
-
-	ret = mtk_drm_crtc_plane_check(new_plane_state->crtc, plane,
-				       to_mtk_plane_state(new_plane_state));
-	if (ret)
-		return ret;
-
-	crtc_state = drm_atomic_get_crtc_state(state,
-					       new_plane_state->crtc);
-	if (IS_ERR(crtc_state))
-		return PTR_ERR(crtc_state);
-
-	return drm_atomic_helper_check_plane_state(new_plane_state,
-						   crtc_state,
-						   DRM_PLANE_NO_SCALING,
-						   DRM_PLANE_NO_SCALING,
-						   true, true);
-}
-
-static void mtk_plane_atomic_disable(struct drm_plane *plane,
-				     struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
-									   plane);
-	struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
-	mtk_plane_state->pending.enable = false;
-	wmb(); /* Make sure the above parameter is set before update */
-	mtk_plane_state->pending.dirty = true;
-}
-
-static void mtk_plane_atomic_update(struct drm_plane *plane,
-				    struct drm_atomic_state *state)
-{
-	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
-									   plane);
-	struct mtk_plane_state *mtk_plane_state = to_mtk_plane_state(new_state);
-
-	if (!new_state->crtc || WARN_ON(!new_state->fb))
-		return;
-
-	if (!new_state->visible) {
-		mtk_plane_atomic_disable(plane, state);
-		return;
-	}
-
-	mtk_plane_update_new_state(new_state, mtk_plane_state);
-	wmb(); /* Make sure the above parameters are set before update */
-	mtk_plane_state->pending.dirty = true;
-}
-
-static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
-	.atomic_check = mtk_plane_atomic_check,
-	.atomic_update = mtk_plane_atomic_update,
-	.atomic_disable = mtk_plane_atomic_disable,
-	.atomic_async_update = mtk_plane_atomic_async_update,
-	.atomic_async_check = mtk_plane_atomic_async_check,
-};
-
-int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
-		   unsigned long possible_crtcs, enum drm_plane_type type,
-		   unsigned int supported_rotations, const u32 *formats,
-		   size_t num_formats)
-{
-	int err;
-
-	if (!formats || !num_formats) {
-		DRM_ERROR("no formats for plane\n");
-		return -EINVAL;
-	}
-
-	err = drm_universal_plane_init(dev, plane, possible_crtcs,
-				       &mtk_plane_funcs, formats,
-				       num_formats, modifiers, type, NULL);
-	if (err) {
-		DRM_ERROR("failed to initialize plane\n");
-		return err;
-	}
-
-	if (supported_rotations & ~DRM_MODE_ROTATE_0) {
-		err = drm_plane_create_rotation_property(plane,
-							 DRM_MODE_ROTATE_0,
-							 supported_rotations);
-		if (err)
-			DRM_INFO("Create rotation property failed\n");
-	}
-
-	drm_plane_helper_add(plane, &mtk_plane_helper_funcs);
-
-	return 0;
-}