#ifdef DRV_MEDIATEK
// clang-format off
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <poll.h>
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
+#include <unistd.h>
#include <xf86drm.h>
#include <mediatek_drm.h>
// clang-format on
#include "helpers.h"
#include "util.h"
-static const uint32_t supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
- DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
- DRM_FORMAT_XRGB8888, DRM_FORMAT_YVU420,
- DRM_FORMAT_YVU420_ANDROID };
+#define TILE_TYPE_LINEAR 0
+
+struct mediatek_private_map_data {
+ void *cached_addr;
+ void *gem_addr;
+ int prime_fd;
+};
+
+static const uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_XRGB8888 };
+
+#ifdef MTK_MT8183
+static const uint32_t texture_source_formats[] = { DRM_FORMAT_NV21, DRM_FORMAT_NV12,
+ DRM_FORMAT_YUYV, DRM_FORMAT_YVU420,
+ DRM_FORMAT_YVU420_ANDROID };
+#else
+static const uint32_t texture_source_formats[] = { DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID,
+ DRM_FORMAT_NV12 };
+#endif
static int mediatek_init(struct driver *drv)
{
- return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
+ struct format_metadata metadata;
+
+ drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
+ &LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT);
+
+ drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
+ &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
+
+ drv_add_combination(drv, DRM_FORMAT_R8, &LINEAR_METADATA,
+ BO_USE_SW_MASK | BO_USE_LINEAR | BO_USE_PROTECTED);
+ /*
+ * Chrome uses DMA-buf mmap to write to YV12 buffers, which are then accessed by the
+ * Video Encoder Accelerator (VEA). It could also support NV12 potentially in the future.
+ */
+ drv_modify_combination(drv, DRM_FORMAT_YVU420, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
+ drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
+
+ /* Android CTS tests require this. */
+ drv_add_combination(drv, DRM_FORMAT_BGR888, &LINEAR_METADATA, BO_USE_SW_MASK);
+
+ /* Support BO_USE_HW_VIDEO_DECODER for protected content minigbm allocations. */
+ metadata.tiling = TILE_TYPE_LINEAR;
+ metadata.priority = 1;
+ metadata.modifier = DRM_FORMAT_MOD_LINEAR;
+ drv_modify_combination(drv, DRM_FORMAT_YVU420, &metadata, BO_USE_HW_VIDEO_DECODER);
+ drv_modify_combination(drv, DRM_FORMAT_YVU420_ANDROID, &metadata, BO_USE_HW_VIDEO_DECODER);
+ drv_modify_combination(drv, DRM_FORMAT_NV12, &metadata, BO_USE_HW_VIDEO_DECODER);
+
+#ifdef MTK_MT8183
+ /* Only for MT8183 Camera subsystem */
+ drv_modify_combination(drv, DRM_FORMAT_NV12, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
+ drv_modify_combination(drv, DRM_FORMAT_NV21, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
+ drv_modify_combination(drv, DRM_FORMAT_YUYV, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
+ drv_modify_combination(drv, DRM_FORMAT_YVU420, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
+ drv_modify_combination(drv, DRM_FORMAT_R8, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
+ /* Private formats for private reprocessing in camera */
+ drv_add_combination(drv, DRM_FORMAT_MTISP_SXYZW10, &metadata,
+ BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE | BO_USE_SW_MASK);
+#endif
+
+ return drv_modify_linear_combinations(drv);
}
-static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
- uint32_t flags)
+static int mediatek_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height,
+ uint32_t format, const uint64_t *modifiers,
+ uint32_t count)
{
int ret;
size_t plane;
uint32_t stride;
struct drm_mtk_gem_create gem_create;
+ if (!drv_has_modifier(modifiers, count, DRM_FORMAT_MOD_LINEAR)) {
+ errno = EINVAL;
+ drv_log("no usable modifier found\n");
+ return -EINVAL;
+ }
+
/*
* Since the ARM L1 cache line size is 64 bytes, align to that as a
* performance optimization.
*/
stride = drv_stride_from_format(format, width, 0);
stride = ALIGN(stride, 64);
- drv_bo_from_format(bo, stride, height, format);
+
+ if (bo->meta.use_flags & BO_USE_HW_VIDEO_ENCODER) {
+ uint32_t aligned_height = ALIGN(height, 32);
+ uint32_t padding[DRV_MAX_PLANES] = { 0 };
+
+ for (plane = 0; plane < bo->meta.num_planes; ++plane) {
+ uint32_t plane_stride = drv_stride_from_format(format, stride, plane);
+ padding[plane] = plane_stride *
+ (32 / drv_vertical_subsampling_from_format(format, plane));
+ }
+
+ drv_bo_from_format_and_padding(bo, stride, aligned_height, format, padding);
+ } else {
+#ifdef MTK_MT8183
+ /*
+ * JPEG Encoder Accelerator requires 16x16 alignment. We want the buffer
+ * from camera can be put in JEA directly so align the height to 16
+ * bytes.
+ */
+ if (format == DRM_FORMAT_NV12)
+ height = ALIGN(height, 16);
+#endif
+ drv_bo_from_format(bo, stride, height, format);
+ }
memset(&gem_create, 0, sizeof(gem_create));
- gem_create.size = bo->total_size;
+ gem_create.size = bo->meta.total_size;
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed (size=%llu)\n",
- gem_create.size);
- return ret;
+ drv_log("DRM_IOCTL_MTK_GEM_CREATE failed (size=%" PRIu64 ")\n", gem_create.size);
+ return -errno;
}
- for (plane = 0; plane < bo->num_planes; plane++)
+ for (plane = 0; plane < bo->meta.num_planes; plane++)
bo->handles[plane].u32 = gem_create.handle;
return 0;
}
-static void *mediatek_bo_map(struct bo *bo, struct map_info *data, size_t plane)
+static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+ uint64_t use_flags)
{
- int ret;
+ uint64_t modifiers[] = { DRM_FORMAT_MOD_LINEAR };
+ return mediatek_bo_create_with_modifiers(bo, width, height, format, modifiers,
+ ARRAY_SIZE(modifiers));
+}
+
+static void *mediatek_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
+{
+ int ret, prime_fd;
struct drm_mtk_gem_map_off gem_map;
+ struct mediatek_private_map_data *priv;
memset(&gem_map, 0, sizeof(gem_map));
gem_map.handle = bo->handles[0].u32;
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
+ drv_log("DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
+ return MAP_FAILED;
+ }
+
+ prime_fd = drv_bo_get_plane_fd(bo, 0);
+ if (prime_fd < 0) {
+ drv_log("Failed to get a prime fd\n");
return MAP_FAILED;
}
- data->length = bo->total_size;
+ void *addr = mmap(0, bo->meta.total_size, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd,
+ gem_map.offset);
+
+ vma->length = bo->meta.total_size;
+
+ priv = calloc(1, sizeof(*priv));
+ priv->prime_fd = prime_fd;
+ vma->priv = priv;
+
+ if (bo->meta.use_flags & BO_USE_RENDERSCRIPT) {
+ priv->cached_addr = calloc(1, bo->meta.total_size);
+ priv->gem_addr = addr;
+ addr = priv->cached_addr;
+ }
+
+ return addr;
+}
+
+static int mediatek_bo_unmap(struct bo *bo, struct vma *vma)
+{
+ if (vma->priv) {
+ struct mediatek_private_map_data *priv = vma->priv;
+
+ if (priv->cached_addr) {
+ vma->addr = priv->gem_addr;
+ free(priv->cached_addr);
+ }
+
+ close(priv->prime_fd);
+ free(priv);
+ vma->priv = NULL;
+ }
+
+ return munmap(vma->addr, vma->length);
+}
+
+static int mediatek_bo_invalidate(struct bo *bo, struct mapping *mapping)
+{
+ struct mediatek_private_map_data *priv = mapping->vma->priv;
+
+ if (priv) {
+ struct pollfd fds = {
+ .fd = priv->prime_fd,
+ };
+
+ if (mapping->vma->map_flags & BO_MAP_WRITE)
+ fds.events |= POLLOUT;
+
+ if (mapping->vma->map_flags & BO_MAP_READ)
+ fds.events |= POLLIN;
+
+ poll(&fds, 1, -1);
+ if (fds.revents != fds.events)
+ drv_log("poll prime_fd failed\n");
+
+ if (priv->cached_addr)
+ memcpy(priv->cached_addr, priv->gem_addr, bo->meta.total_size);
+ }
+
+ return 0;
+}
+
+static int mediatek_bo_flush(struct bo *bo, struct mapping *mapping)
+{
+ struct mediatek_private_map_data *priv = mapping->vma->priv;
+ if (priv && priv->cached_addr && (mapping->vma->map_flags & BO_MAP_WRITE))
+ memcpy(priv->gem_addr, priv->cached_addr, bo->meta.total_size);
- return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->drv->fd,
- gem_map.offset);
+ return 0;
}
-static uint32_t mediatek_resolve_format(uint32_t format)
+static uint32_t mediatek_resolve_format(struct driver *drv, uint32_t format, uint64_t use_flags)
{
switch (format) {
case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+#ifdef MTK_MT8183
+ /* Only MT8183 Camera subsystem offers private reprocessing
+ * capability. CAMERA_READ indicates the buffer is intended for
+ * reprocessing and hence given the private format for MTK. */
+ if (use_flags & BO_USE_CAMERA_READ)
+ return DRM_FORMAT_MTISP_SXYZW10;
+ /* For non-reprocessing uses, only MT8183 Camera subsystem
+ * requires NV12. */
+ else if (use_flags & BO_USE_CAMERA_WRITE)
+ return DRM_FORMAT_NV12;
+#endif
/*HACK: See b/28671744 */
return DRM_FORMAT_XBGR8888;
case DRM_FORMAT_FLEX_YCbCr_420_888:
- return DRM_FORMAT_YVU420_ANDROID;
+#ifdef MTK_MT8183
+ /* MT8183 camera and decoder subsystems require NV12. */
+ if (use_flags & (BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE |
+ BO_USE_HW_VIDEO_DECODER | BO_USE_HW_VIDEO_ENCODER)) {
+ return DRM_FORMAT_NV12;
+ }
+#endif
+ return DRM_FORMAT_YVU420;
default:
return format;
}
}
-struct backend backend_mediatek = {
+const struct backend backend_mediatek = {
.name = "mediatek",
.init = mediatek_init,
.bo_create = mediatek_bo_create,
+ .bo_create_with_modifiers = mediatek_bo_create_with_modifiers,
.bo_destroy = drv_gem_bo_destroy,
.bo_import = drv_prime_bo_import,
.bo_map = mediatek_bo_map,
+ .bo_unmap = mediatek_bo_unmap,
+ .bo_invalidate = mediatek_bo_invalidate,
+ .bo_flush = mediatek_bo_flush,
.resolve_format = mediatek_resolve_format,
};
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