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1 /*
2  * Copyright 2018 The Chromium OS Authors. All rights reserved.
3  * Use of this source code is governed by a BSD-style license that can be
4  * found in the LICENSE file.
5  */
6 
7 #ifdef DRV_MSM
8 
9 #include "drv_priv.h"
10 #include "helpers.h"
11 #include "util.h"
12 
13 #define MESA_LLVMPIPE_TILE_ORDER 6
14 #define MESA_LLVMPIPE_TILE_SIZE (1 << MESA_LLVMPIPE_TILE_ORDER)
15 
16 static const uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_BGR888,
17 						  DRM_FORMAT_XRGB8888 };
18 
msm_init(struct driver * drv)19 static int msm_init(struct driver *drv)
20 {
21 	drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
22 			     &LINEAR_METADATA, BO_USE_RENDER_MASK);
23 
24 	return drv_modify_linear_combinations(drv);
25 }
26 
msm_bo_create(struct bo * bo,uint32_t width,uint32_t height,uint32_t format,uint64_t flags)27 static int msm_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
28 			 uint64_t flags)
29 {
30 	width = ALIGN(width, MESA_LLVMPIPE_TILE_SIZE);
31 	height = ALIGN(height, MESA_LLVMPIPE_TILE_SIZE);
32 
33 	/* HAL_PIXEL_FORMAT_YV12 requires that the buffer's height not be aligned. */
34 	if (bo->format == DRM_FORMAT_YVU420_ANDROID)
35 		height = bo->height;
36 
37 	return drv_dumb_bo_create(bo, width, height, format, flags);
38 }
39 
40 const struct backend backend_msm = {
41 	.name = "msm",
42 	.init = msm_init,
43 	.bo_create = msm_bo_create,
44 	.bo_destroy = drv_dumb_bo_destroy,
45 	.bo_import = drv_prime_bo_import,
46 	.bo_map = drv_dumb_bo_map,
47 	.bo_unmap = drv_bo_munmap,
48 };
49 
50 #endif /* DRV_MSM */
51