minigbm: Add mediatek drm to minigbm

Add gbm_driver_mediatek function in gbm_get_driver to support
mediatek drm

BUG=None
TEST=Use gbmtest with minigbm to verify

Change-Id: Ieaccdbf5a2bde94f70addb8ac5192fbbcecf321e
Signed-off-by: JB Tsai <jb.tsai@mediatek.com>
Reviewed-on: https://chromium-review.googlesource.com/261503
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>

diff --git a/gbm.c b/gbm.c
index b9f08f2..b96faf0 100644 (file)
--- a/gbm.c
+++ b/gbm.c
@@ -41,6 +41,9 @@ extern struct gbm_driver gbm_driver_gma500;
 #ifdef GBM_I915
 extern struct gbm_driver gbm_driver_i915;
 #endif
+#ifdef GBM_MEDIATEK
+extern struct gbm_driver gbm_driver_mediatek;
+#endif
 #ifdef GBM_ROCKCHIP
 extern struct gbm_driver gbm_driver_rockchip;
 #endif
@@ -68,6 +71,9 @@ static struct gbm_driver *gbm_get_driver(int fd)
 #ifdef GBM_I915
                &gbm_driver_i915,
 #endif
+#ifdef GBM_MEDIATEK
+               &gbm_driver_mediatek,
+#endif
 #ifdef GBM_ROCKCHIP
                &gbm_driver_rockchip,
 #endif

diff --git a/mediatek.c b/mediatek.c
new file mode 100644 (file)
index 0000000..01eec63
--- /dev/null
+++ b/mediatek.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2015 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 GBM_MEDIATEK
+
+#include <string.h>
+#include <xf86drm.h>
+#include <mediatek_drm.h>
+#include <stdio.h>
+#include "gbm_priv.h"
+#include "helpers.h"
+
+int gbm_mediatek_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
+{
+       size_t size = width * height * gbm_bytes_from_format(format);
+       struct drm_mtk_gem_create gem_create;
+       int ret;
+
+       memset(&gem_create, 0, sizeof(gem_create));
+       gem_create.size = size;
+
+       ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
+       if (ret)
+               return ret;
+
+       bo->handle.u32 = gem_create.handle;
+       bo->size = size;
+       bo->stride = width * gbm_bytes_from_format(format);
+
+       return 0;
+}
+
+struct gbm_driver gbm_driver_mediatek =
+{
+       .name = "mediatek",
+       .bo_create = gbm_mediatek_bo_create,
+       .bo_destroy = gbm_gem_bo_destroy,
+       .format_list = {
+               {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
+               {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
+       }
+};
+
+#endif