X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=tegra.c;h=f0651d79f0f9c45bfbbf574dd77d9d3b90a2dc3f;hb=2b8f89e45cea5b2b06bc5cc8a3c03e156ee42285;hp=00e1eaa820dbb96a52ba02aeee6814c990b04129;hpb=6b41fb55deae7d8ae00c33f7ce849d6fd6525d77;p=android-x86%2Fexternal-minigbm.git diff --git a/tegra.c b/tegra.c index 00e1eaa..f0651d7 100644 --- a/tegra.c +++ b/tegra.c @@ -6,11 +6,12 @@ #ifdef DRV_TEGRA +#include #include #include #include -#include #include +#include #include "drv_priv.h" #include "helpers.h" @@ -26,6 +27,7 @@ #define NV_DEFAULT_BLOCK_HEIGHT_LOG2 4 #define NV_PREFERRED_PAGE_SIZE (128 * 1024) +// clang-format off enum nv_mem_kind { NV_MEM_KIND_PITCH = 0, @@ -37,15 +39,14 @@ enum tegra_map_type { TEGRA_READ_TILED_BUFFER = 0, TEGRA_WRITE_TILED_BUFFER = 1, }; +// clang-format on struct tegra_private_map_data { void *tiled; void *untiled; }; -static const uint32_t supported_formats[] = { - DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 -}; +static const uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 }; static int compute_block_height_log2(int height) { @@ -65,10 +66,9 @@ static int compute_block_height_log2(int height) return block_height_log2; } -static void compute_layout_blocklinear(int width, int height, int format, - enum nv_mem_kind *kind, - uint32_t *block_height_log2, - uint32_t *stride, uint32_t *size) +static void compute_layout_blocklinear(int width, int height, int format, enum nv_mem_kind *kind, + uint32_t *block_height_log2, uint32_t *stride, + uint32_t *size) { int pitch = drv_stride_from_format(format, width, 0); @@ -78,8 +78,7 @@ static void compute_layout_blocklinear(int width, int height, int format, /* Compute padded height. */ *block_height_log2 = compute_block_height_log2(height); int block_height = 1 << *block_height_log2; - int padded_height = - ALIGN(height, NV_BLOCKLINEAR_GOB_HEIGHT * block_height); + int padded_height = ALIGN(height, NV_BLOCKLINEAR_GOB_HEIGHT * block_height); int bytes = pitch * padded_height; @@ -94,17 +93,16 @@ static void compute_layout_blocklinear(int width, int height, int format, *size = bytes; } -static void compute_layout_linear(int width, int height, int format, - uint32_t *stride, uint32_t *size) +static void compute_layout_linear(int width, int height, int format, uint32_t *stride, + uint32_t *size) { *stride = ALIGN(drv_stride_from_format(format, width, 0), 64); *size = *stride * height; } -static void transfer_tile(struct bo *bo, uint8_t *tiled, uint8_t *untiled, - enum tegra_map_type type, uint32_t bytes_per_pixel, - uint32_t gob_top, uint32_t gob_left, - uint32_t gob_size_pixels) +static void transfer_tile(struct bo *bo, uint8_t *tiled, uint8_t *untiled, enum tegra_map_type type, + uint32_t bytes_per_pixel, uint32_t gob_top, uint32_t gob_left, + uint32_t gob_size_pixels, uint8_t *tiled_last) { uint8_t *tmp; uint32_t x, y, k; @@ -117,7 +115,15 @@ static void transfer_tile(struct bo *bo, uint8_t *tiled, uint8_t *untiled, x = gob_left + (((k >> 3) & 8) | ((k >> 1) & 4) | (k & 3)); y = gob_top + ((k >> 7 << 3) | ((k >> 3) & 6) | ((k >> 2) & 1)); - tmp = untiled + (y * bo->strides[0]) + (x * bytes_per_pixel); + if (tiled >= tiled_last) + return; + + if (x >= bo->width || y >= bo->height) { + tiled += bytes_per_pixel; + continue; + } + + tmp = untiled + y * bo->strides[0] + x * bytes_per_pixel; if (type == TEGRA_READ_TILED_BUFFER) memcpy(tmp, tiled, bytes_per_pixel); @@ -129,13 +135,13 @@ static void transfer_tile(struct bo *bo, uint8_t *tiled, uint8_t *untiled, } } -static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, - uint8_t *untiled, enum tegra_map_type type) +static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, uint8_t *untiled, + enum tegra_map_type type) { - uint32_t gob_width, gob_height, gob_size_bytes, gob_size_pixels, - gob_count_x, gob_count_y, gob_top, gob_left; + uint32_t gob_width, gob_height, gob_size_bytes, gob_size_pixels, gob_count_x, gob_count_y, + gob_top, gob_left; uint32_t i, j, offset; - uint8_t *tmp; + uint8_t *tmp, *tiled_last; uint32_t bytes_per_pixel = drv_stride_from_format(bo->format, 1, 0); /* @@ -143,11 +149,9 @@ static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, * where 0 <= n <= 4. */ gob_width = DIV_ROUND_UP(NV_BLOCKLINEAR_GOB_WIDTH, bytes_per_pixel); - gob_height = NV_BLOCKLINEAR_GOB_HEIGHT * - (1 << NV_DEFAULT_BLOCK_HEIGHT_LOG2); + gob_height = NV_BLOCKLINEAR_GOB_HEIGHT * (1 << NV_DEFAULT_BLOCK_HEIGHT_LOG2); /* Calculate the height from maximum possible gob height */ - while (gob_height > NV_BLOCKLINEAR_GOB_HEIGHT - && gob_height >= 2 * bo->height) + while (gob_height > NV_BLOCKLINEAR_GOB_HEIGHT && gob_height >= 2 * bo->height) gob_height /= 2; gob_size_bytes = gob_height * NV_BLOCKLINEAR_GOB_WIDTH; @@ -156,6 +160,8 @@ static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, gob_count_x = DIV_ROUND_UP(bo->strides[0], NV_BLOCKLINEAR_GOB_WIDTH); gob_count_y = DIV_ROUND_UP(bo->height, gob_height); + tiled_last = tiled + bo->total_size; + offset = 0; for (j = 0; j < gob_count_y; j++) { gob_top = j * gob_height; @@ -163,8 +169,8 @@ static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, tmp = tiled + offset; gob_left = i * gob_width; - transfer_tile(bo, tmp, untiled, type, bytes_per_pixel, - gob_top, gob_left, gob_size_pixels); + transfer_tile(bo, tmp, untiled, type, bytes_per_pixel, gob_top, gob_left, + gob_size_pixels, tiled_last); offset += gob_size_bytes; } @@ -173,59 +179,48 @@ static void transfer_tiled_memory(struct bo *bo, uint8_t *tiled, static int tegra_init(struct driver *drv) { - int ret; struct format_metadata metadata; - uint64_t flags = BO_COMMON_USE_MASK; + uint64_t use_flags = BO_USE_RENDER_MASK; metadata.tiling = NV_MEM_KIND_PITCH; metadata.priority = 1; - metadata.modifier = DRM_FORMAT_MOD_NONE; + metadata.modifier = DRM_FORMAT_MOD_LINEAR; - ret = drv_add_combinations(drv, supported_formats, - ARRAY_SIZE(supported_formats), &metadata, - flags); - if (ret) - return ret; + drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats), + &metadata, use_flags); - drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, - BO_USE_CURSOR | BO_USE_SCANOUT); - drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, - BO_USE_CURSOR | BO_USE_SCANOUT); + drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, BO_USE_CURSOR | BO_USE_SCANOUT); + drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, BO_USE_CURSOR | BO_USE_SCANOUT); - flags &= ~BO_USE_SW_WRITE_OFTEN; - flags &= ~BO_USE_SW_READ_OFTEN; - flags &= ~BO_USE_LINEAR; + use_flags &= ~BO_USE_SW_WRITE_OFTEN; + use_flags &= ~BO_USE_SW_READ_OFTEN; + use_flags &= ~BO_USE_LINEAR; metadata.tiling = NV_MEM_KIND_C32_2CRA; metadata.priority = 2; - ret = drv_add_combinations(drv, supported_formats, - ARRAY_SIZE(supported_formats), &metadata, - flags); - if (ret) - return ret; + drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats), + &metadata, use_flags); - drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, - BO_USE_SCANOUT); - drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, - BO_USE_SCANOUT); + drv_modify_combination(drv, DRM_FORMAT_XRGB8888, &metadata, BO_USE_SCANOUT); + drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &metadata, BO_USE_SCANOUT); return 0; } -static int tegra_bo_create(struct bo *bo, uint32_t width, uint32_t height, - uint32_t format, uint32_t flags) +static int tegra_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, + uint64_t use_flags) { uint32_t size, stride, block_height_log2 = 0; enum nv_mem_kind kind = NV_MEM_KIND_PITCH; struct drm_tegra_gem_create gem_create; int ret; - if (flags & (BO_USE_CURSOR | BO_USE_LINEAR | - BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN)) + if (use_flags & + (BO_USE_CURSOR | BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN)) compute_layout_linear(width, height, format, &stride, &size); else - compute_layout_blocklinear(width, height, format, &kind, - &block_height_log2, &stride, &size); + compute_layout_blocklinear(width, height, format, &kind, &block_height_log2, + &stride, &size); memset(&gem_create, 0, sizeof(gem_create)); gem_create.size = size; @@ -233,8 +228,7 @@ static int tegra_bo_create(struct bo *bo, uint32_t width, uint32_t height, ret = drmIoctl(bo->drv->fd, DRM_IOCTL_TEGRA_GEM_CREATE, &gem_create); if (ret) { - fprintf(stderr, "drv: DRM_IOCTL_TEGRA_GEM_CREATE failed " - "(size=%zu)\n", size); + fprintf(stderr, "drv: DRM_IOCTL_TEGRA_GEM_CREATE failed (size=%zu)\n", size); return ret; } @@ -251,23 +245,57 @@ static int tegra_bo_create(struct bo *bo, uint32_t width, uint32_t height, gem_tile.mode = DRM_TEGRA_GEM_TILING_MODE_BLOCK; gem_tile.value = block_height_log2; - ret = drmCommandWriteRead(bo->drv->fd, DRM_TEGRA_GEM_SET_TILING, - &gem_tile, sizeof(gem_tile)); + ret = drmCommandWriteRead(bo->drv->fd, DRM_TEGRA_GEM_SET_TILING, &gem_tile, + sizeof(gem_tile)); if (ret < 0) { drv_gem_bo_destroy(bo); return ret; } /* Encode blocklinear parameters for EGLImage creation. */ - bo->tiling = (kind & 0xff) | - ((block_height_log2 & 0xf) << 8); + bo->tiling = (kind & 0xff) | ((block_height_log2 & 0xf) << 8); bo->format_modifiers[0] = fourcc_mod_code(NV, bo->tiling); } return 0; } -static void *tegra_bo_map(struct bo *bo, struct map_info *data, size_t plane) +static int tegra_bo_import(struct bo *bo, struct drv_import_fd_data *data) +{ + int ret; + struct drm_tegra_gem_get_tiling gem_get_tiling; + + ret = drv_prime_bo_import(bo, data); + if (ret) + return ret; + + /* TODO(gsingh): export modifiers and get rid of backdoor tiling. */ + memset(&gem_get_tiling, 0, sizeof(gem_get_tiling)); + gem_get_tiling.handle = bo->handles[0].u32; + + ret = drmIoctl(bo->drv->fd, DRM_IOCTL_TEGRA_GEM_GET_TILING, &gem_get_tiling); + if (ret) { + drv_gem_bo_destroy(bo); + return ret; + } + + /* NOTE(djmk): we only know about one tiled format, so if our drmIoctl call tells us we are + tiled, assume it is this format (NV_MEM_KIND_C32_2CRA) otherwise linear (KIND_PITCH). */ + if (gem_get_tiling.mode == DRM_TEGRA_GEM_TILING_MODE_PITCH) { + bo->tiling = NV_MEM_KIND_PITCH; + } else if (gem_get_tiling.mode == DRM_TEGRA_GEM_TILING_MODE_BLOCK) { + bo->tiling = NV_MEM_KIND_C32_2CRA; + } else { + fprintf(stderr, "tegra_bo_import: unknown tile format %d", gem_get_tiling.mode); + drv_gem_bo_destroy(bo); + assert(0); + } + + bo->format_modifiers[0] = fourcc_mod_code(NV, bo->tiling); + return 0; +} + +static void *tegra_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags) { int ret; struct drm_tegra_gem_mmap gem_map; @@ -276,55 +304,59 @@ static void *tegra_bo_map(struct bo *bo, struct map_info *data, size_t plane) memset(&gem_map, 0, sizeof(gem_map)); gem_map.handle = bo->handles[0].u32; - ret = drmCommandWriteRead(bo->drv->fd, DRM_TEGRA_GEM_MMAP, &gem_map, - sizeof(gem_map)); + ret = drmCommandWriteRead(bo->drv->fd, DRM_TEGRA_GEM_MMAP, &gem_map, sizeof(gem_map)); if (ret < 0) { fprintf(stderr, "drv: DRM_TEGRA_GEM_MMAP failed\n"); return MAP_FAILED; } - void *addr = mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED, - bo->drv->fd, gem_map.offset); - - data->length = bo->total_size; - + void *addr = mmap(0, bo->total_size, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd, + gem_map.offset); + vma->length = bo->total_size; if ((bo->tiling & 0xFF) == NV_MEM_KIND_C32_2CRA && addr != MAP_FAILED) { priv = calloc(1, sizeof(*priv)); priv->untiled = calloc(1, bo->total_size); priv->tiled = addr; - data->priv = priv; - transfer_tiled_memory(bo, priv->tiled, priv->untiled, - TEGRA_READ_TILED_BUFFER); + vma->priv = priv; + transfer_tiled_memory(bo, priv->tiled, priv->untiled, TEGRA_READ_TILED_BUFFER); addr = priv->untiled; } return addr; } -static int tegra_bo_unmap(struct bo *bo, struct map_info *data) +static int tegra_bo_unmap(struct bo *bo, struct vma *vma) { - if (data->priv) { - struct tegra_private_map_data *priv = data->priv; - transfer_tiled_memory(bo, priv->tiled, priv->untiled, - TEGRA_WRITE_TILED_BUFFER); - data->addr = priv->tiled; + if (vma->priv) { + struct tegra_private_map_data *priv = vma->priv; + vma->addr = priv->tiled; free(priv->untiled); free(priv); - data->priv = NULL; + vma->priv = NULL; } - return munmap(data->addr, data->length); + return munmap(vma->addr, vma->length); } -struct backend backend_tegra = +static int tegra_bo_flush(struct bo *bo, struct mapping *mapping) { + struct tegra_private_map_data *priv = mapping->vma->priv; + + if (priv && (mapping->vma->map_flags & BO_MAP_WRITE)) + transfer_tiled_memory(bo, priv->tiled, priv->untiled, TEGRA_WRITE_TILED_BUFFER); + + return 0; +} + +const struct backend backend_tegra = { .name = "tegra", .init = tegra_init, .bo_create = tegra_bo_create, .bo_destroy = drv_gem_bo_destroy, - .bo_import = drv_prime_bo_import, + .bo_import = tegra_bo_import, .bo_map = tegra_bo_map, .bo_unmap = tegra_bo_unmap, + .bo_flush = tegra_bo_flush, }; #endif