lineage-rockchip/android_external_minigbm
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minigbm: add synaptics gbm driver

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Change the ozone platform from cast to drm
add synaptics gbm driver for buffer management.

BUG=b:152384632
TEST=use chromecast ui to verify drm
TEST=use ozone_demo app to verify drm

Change-Id: I9dff03e6b522ee84e34cbbcb28a40ca7857c4168
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/2108458
Reviewed-by: Daniel Nicoara <dnicoara@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Daniel Nicoara <dnicoara@chromium.org>
Commit-Queue: Daniel Nicoara <dnicoara@chromium.org>
This commit is contained in:
Leona Chou 2020-03-19 15:06:12 +08:00 • committed by Commit Bot
parent c2ad3d7b4c
commit 8f708a18e6
3 changed files with 40 additions and 0 deletions
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1
Android.mk
View file

@ -23,6 +23,7 @@ MINIGBM_SRC := \
nouveau.c \
radeon.c \
rockchip.c \
synaptics.c \
tegra.c \
udl.c \
vc4.c \

6
drv.c
View file

@ -54,6 +54,9 @@ extern const struct backend backend_radeon;
#ifdef DRV_ROCKCHIP
extern const struct backend backend_rockchip;
#endif
#ifdef DRV_SYNAPTICS
extern const struct backend backend_synaptics;
#endif
#ifdef DRV_TEGRA
extern const struct backend backend_tegra;
#endif
@ -104,6 +107,9 @@ static const struct backend *drv_get_backend(int fd)
#ifdef DRV_ROCKCHIP
&backend_rockchip,
#endif
#ifdef DRV_SYNAPTICS
&backend_synaptics,
#endif
#ifdef DRV_TEGRA
&backend_tegra,
#endif

33
synaptics.c Normal file
View file

@ -0,0 +1,33 @@
/*
* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifdef DRV_SYNAPTICS
#include "drv_priv.h"
#include "helpers.h"
#include "util.h"
static const uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_ABGR8888,
DRM_FORMAT_XRGB8888 };
static int synaptics_init(struct driver *drv)
{
drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
&LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT);
return drv_modify_linear_combinations(drv);
}
const struct backend backend_synaptics = {
.name = "synaptics",
.init = synaptics_init,
.bo_create = drv_dumb_bo_create,
.bo_destroy = drv_dumb_bo_destroy,
.bo_import = drv_prime_bo_import,
.bo_map = drv_dumb_bo_map,
.bo_unmap = drv_bo_munmap,
};
#endif