* found in the LICENSE file.
*/
-#ifdef GBM_I915
+#ifdef DRV_I915
#include <errno.h>
#include <string.h>
#include <stdio.h>
+#include <sys/mman.h>
#include <xf86drm.h>
#include <i915_drm.h>
-#include "gbm_priv.h"
+#include "drv_priv.h"
#include "helpers.h"
#include "util.h"
-struct gbm_i915_device
+static struct supported_combination combos[18] = {
+ {DRM_FORMAT_ARGB1555, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_ABGR8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_ABGR8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_CURSOR | BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_GR88, DRM_FORMAT_MOD_NONE,
+ BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_R8, DRM_FORMAT_MOD_NONE,
+ BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_RGB565, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_UYVY, DRM_FORMAT_MOD_NONE,
+ BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_UYVY, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_XBGR8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_XBGR8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_XRGB1555, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_CURSOR | BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_YUYV, DRM_FORMAT_MOD_NONE,
+ BO_USE_LINEAR | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN},
+ {DRM_FORMAT_YUYV, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+ {DRM_FORMAT_YVU420, DRM_FORMAT_MOD_NONE,
+ BO_USE_RENDERING | BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY},
+};
+
+struct i915_device
{
int gen;
};
-
static int get_gen(int device_id)
{
- const uint16_t gen3_ids[] = {0x2582, 0x2592, 0x2772, 0x27A2, 0x27AE, 0x29C2, 0x29B2, 0x29D2, 0xA001, 0xA011};
+ const uint16_t gen3_ids[] = {0x2582, 0x2592, 0x2772, 0x27A2, 0x27AE,
+ 0x29C2, 0x29B2, 0x29D2, 0xA001, 0xA011};
unsigned i;
for(i = 0; i < ARRAY_SIZE(gen3_ids); i++)
if (gen3_ids[i] == device_id)
return 4;
}
-int gbm_i915_init(struct gbm_device *gbm)
+static int i915_init(struct driver *drv)
{
- struct gbm_i915_device *i915_gbm;
+ struct i915_device *i915_drv;
drm_i915_getparam_t get_param;
int device_id;
int ret;
- i915_gbm = (struct gbm_i915_device*)malloc(sizeof(*i915_gbm));
- if (!i915_gbm)
+ i915_drv = (struct i915_device*)malloc(sizeof(*i915_drv));
+ if (!i915_drv)
return -1;
memset(&get_param, 0, sizeof(get_param));
get_param.param = I915_PARAM_CHIPSET_ID;
get_param.value = &device_id;
- ret = drmIoctl(gbm->fd, DRM_IOCTL_I915_GETPARAM, &get_param);
+ ret = drmIoctl(drv->fd, DRM_IOCTL_I915_GETPARAM, &get_param);
if (ret) {
- free(i915_gbm);
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GETPARAM failed\n");
+ free(i915_drv);
return -1;
}
- i915_gbm->gen = get_gen(device_id);
+ i915_drv->gen = get_gen(device_id);
- gbm->priv = i915_gbm;
+ drv->priv = i915_drv;
- return 0;
+ drv_insert_combinations(drv, combos, ARRAY_SIZE(combos));
+ return drv_add_kms_flags(drv);
}
-void gbm_i915_close(struct gbm_device *gbm)
+static void i915_close(struct driver *drv)
{
- free(gbm->priv);
- gbm->priv = NULL;
+ free(drv->priv);
+ drv->priv = NULL;
}
-static void i915_align_dimensions(struct gbm_device *gbm, uint32_t tiling_mode, uint32_t *width, uint32_t *height, int bpp)
+static void i915_align_dimensions(struct driver *drv, uint32_t tiling_mode,
+ uint32_t *width, uint32_t *height, int bpp)
{
- struct gbm_i915_device *i915_gbm = (struct gbm_i915_device *)gbm->priv;
+ struct i915_device *i915_drv = (struct i915_device *)drv->priv;
uint32_t width_alignment = 4, height_alignment = 4;
- switch(tiling_mode) {
- default:
- case I915_TILING_NONE:
- width_alignment = 64 / bpp;
- break;
+ switch (tiling_mode) {
+ default:
+ case I915_TILING_NONE:
+ width_alignment = 64 / bpp;
+ break;
+
+ case I915_TILING_X:
+ width_alignment = 512 / bpp;
+ height_alignment = 8;
+ break;
- case I915_TILING_X:
+ case I915_TILING_Y:
+ if (i915_drv->gen == 3) {
width_alignment = 512 / bpp;
height_alignment = 8;
- break;
-
- case I915_TILING_Y:
- if (i915_gbm->gen == 3) {
- width_alignment = 512 / bpp;
- height_alignment = 8;
- } else {
- width_alignment = 128 / bpp;
- height_alignment = 32;
- }
- break;
+ } else {
+ width_alignment = 128 / bpp;
+ height_alignment = 32;
+ }
+ break;
}
- if (i915_gbm->gen > 3) {
+ if (i915_drv->gen > 3) {
*width = ALIGN(*width, width_alignment);
*height = ALIGN(*height, height_alignment);
} else {
uint32_t w;
- for (w = width_alignment; w < *width * bpp; w <<= 1)
+ for (w = width_alignment; w < *width; w <<= 1)
;
*width = w;
*height = ALIGN(*height, height_alignment);
}
}
-static int i915_verify_dimensions(struct gbm_device *gbm, uint32_t stride, uint32_t height)
+static int i915_verify_dimensions(struct driver *drv, uint32_t stride,
+ uint32_t height)
{
- struct gbm_i915_device *i915_gbm = (struct gbm_i915_device *)gbm->priv;
- if (i915_gbm->gen <= 3 && stride > 8192)
+ struct i915_device *i915_drv = (struct i915_device *)drv->priv;
+ if (i915_drv->gen <= 3 && stride > 8192)
return 0;
return 1;
}
-int gbm_i915_bo_create(struct gbm_bo *bo, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
+static int i915_bo_create(struct bo *bo, uint32_t width, uint32_t height,
+ uint32_t format, uint32_t flags)
{
- struct gbm_device *gbm = bo->gbm;
- int bpp = gbm_bytes_from_format(format);
+ struct driver *drv = bo->drv;
+ int bpp = drv_stride_from_format(format, 1, 0);
struct drm_i915_gem_create gem_create;
struct drm_i915_gem_set_tiling gem_set_tiling;
uint32_t tiling_mode = I915_TILING_NONE;
- size_t size;
+ size_t plane;
int ret;
- if (flags & GBM_BO_USE_CURSOR)
+ if (flags & (BO_USE_CURSOR | BO_USE_LINEAR |
+ BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN))
tiling_mode = I915_TILING_NONE;
- else if (flags & GBM_BO_USE_SCANOUT)
+ else if (flags & BO_USE_SCANOUT)
tiling_mode = I915_TILING_X;
- else if (flags & GBM_BO_USE_RENDERING)
+ else
tiling_mode = I915_TILING_Y;
- i915_align_dimensions(gbm, tiling_mode, &width, &height, bpp);
+ i915_align_dimensions(drv, tiling_mode, &width, &height, bpp);
- bo->stride = width * bpp;
+ drv_bo_from_format(bo, width, height, format);
- if (!i915_verify_dimensions(gbm, bo->stride, height))
+ if (!i915_verify_dimensions(drv, bo->strides[0], height))
return EINVAL;
memset(&gem_create, 0, sizeof(gem_create));
- size = width * height * bpp;
- gem_create.size = size;
+ gem_create.size = bo->total_size;
- ret = drmIoctl(gbm->fd, DRM_IOCTL_I915_GEM_CREATE, &gem_create);
- if (ret)
+ ret = drmIoctl(drv->fd, DRM_IOCTL_I915_GEM_CREATE, &gem_create);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_CREATE failed "
+ "(size=%llu)\n", gem_create.size);
return ret;
+ }
- bo->handle.u32 = gem_create.handle;
- bo->size = size;
+ for (plane = 0; plane < bo->num_planes; plane++)
+ bo->handles[plane].u32 = gem_create.handle;
memset(&gem_set_tiling, 0, sizeof(gem_set_tiling));
do {
- gem_set_tiling.handle = bo->handle.u32;
+ gem_set_tiling.handle = bo->handles[0].u32;
gem_set_tiling.tiling_mode = tiling_mode;
- gem_set_tiling.stride = bo->stride;
- ret = drmIoctl(gbm->fd, DRM_IOCTL_I915_GEM_SET_TILING, &gem_set_tiling);
+ gem_set_tiling.stride = bo->strides[0];
+ ret = drmIoctl(drv->fd, DRM_IOCTL_I915_GEM_SET_TILING,
+ &gem_set_tiling);
} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
if (ret == -1) {
struct drm_gem_close gem_close;
- gem_close.handle = bo->handle.u32;
- drmIoctl(gbm->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ gem_close.handle = bo->handles[0].u32;
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_SET_TILING failed "
+ "errno=%x (handle=%x, tiling=%x, stride=%x)\n",
+ errno,
+ gem_set_tiling.handle,
+ gem_set_tiling.tiling_mode,
+ gem_set_tiling.stride);
+ drmIoctl(drv->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
return -errno;
}
return 0;
}
-const struct gbm_driver gbm_driver_i915 =
+static void *i915_bo_map(struct bo *bo, struct map_info *data, size_t plane)
{
- .name = "i915",
- .init = gbm_i915_init,
- .close = gbm_i915_close,
- .bo_create = gbm_i915_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},
- {GBM_FORMAT_XBGR8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ABGR8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_XRGB1555, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_ARGB1555, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
- {GBM_FORMAT_RGB565, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
+ int ret;
+ struct drm_i915_gem_mmap_gtt gem_map;
+
+ memset(&gem_map, 0, sizeof(gem_map));
+ gem_map.handle = bo->handles[0].u32;
+
+ ret = drmIoctl(bo->drv->fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &gem_map);
+ if (ret) {
+ fprintf(stderr, "drv: DRM_IOCTL_I915_GEM_MMAP_GTT failed\n");
+ return MAP_FAILED;
}
+
+ data->length = bo->total_size;
+
+ return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ bo->drv->fd, gem_map.offset);
+}
+
+static uint32_t i915_resolve_format(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+ /*HACK: See b/28671744 */
+ return DRM_FORMAT_XBGR8888;
+ case DRM_FORMAT_FLEX_YCbCr_420_888:
+ return DRM_FORMAT_YVU420;
+ default:
+ return format;
+ }
+}
+
+struct backend backend_i915 =
+{
+ .name = "i915",
+ .init = i915_init,
+ .close = i915_close,
+ .bo_create = i915_bo_create,
+ .bo_destroy = drv_gem_bo_destroy,
+ .bo_map = i915_bo_map,
+ .resolve_format = i915_resolve_format,
};
#endif
OSDN Git Service
