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drm: virtio: add virtio_gpu_translate_format

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Factors out code, no functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403070845.10793-2-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2017-04-03 09:08:44 +02:00
parent 5d5f7c5715
commit d519cb7618
3 changed files with 71 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/virtio/virtgpu_drv.h
View File

@ -334,6 +334,7 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);
/* virtio_gpu_plane.c */
uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc);
struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev,
enum drm_plane_type type,
int index);

58
drivers/gpu/drm/virtio/virtgpu_fb.c
View File

@ -231,63 +231,9 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper,
mode_cmd.pitches[0] = mode_cmd.width * 4;
mode_cmd.pixel_format = drm_mode_legacy_fb_format(32, 24);
switch (mode_cmd.pixel_format) {
#ifdef __BIG_ENDIAN
case DRM_FORMAT_XRGB8888:
format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
break;
case DRM_FORMAT_ARGB8888:
format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
break;
case DRM_FORMAT_BGRX8888:
format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
break;
case DRM_FORMAT_BGRA8888:
format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
break;
case DRM_FORMAT_RGBX8888:
format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
break;
case DRM_FORMAT_RGBA8888:
format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
break;
case DRM_FORMAT_XBGR8888:
format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
break;
case DRM_FORMAT_ABGR8888:
format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
break;
#else
case DRM_FORMAT_XRGB8888:
format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
break;
case DRM_FORMAT_ARGB8888:
format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
break;
case DRM_FORMAT_BGRX8888:
format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
break;
case DRM_FORMAT_BGRA8888:
format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
break;
case DRM_FORMAT_RGBX8888:
format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
break;
case DRM_FORMAT_RGBA8888:
format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
break;
case DRM_FORMAT_XBGR8888:
format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
break;
case DRM_FORMAT_ABGR8888:
format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
break;
#endif
default:
DRM_ERROR("failed to find virtio gpu format for %d\n",
mode_cmd.pixel_format);
format = virtio_gpu_translate_format(mode_cmd.pixel_format);
if (format == 0)
return -EINVAL;
}
size = mode_cmd.pitches[0] * mode_cmd.height;
obj = virtio_gpu_alloc_object(dev, size, false, true);

68
drivers/gpu/drm/virtio/virtgpu_plane.c
View File

@ -42,6 +42,74 @@ static const uint32_t virtio_gpu_cursor_formats[] = {
DRM_FORMAT_ARGB8888,
};
uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc)
{
uint32_t format;
switch (drm_fourcc) {
#ifdef __BIG_ENDIAN
case DRM_FORMAT_XRGB8888:
format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
break;
case DRM_FORMAT_ARGB8888:
format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
break;
case DRM_FORMAT_BGRX8888:
format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
break;
case DRM_FORMAT_BGRA8888:
format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
break;
case DRM_FORMAT_RGBX8888:
format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
break;
case DRM_FORMAT_RGBA8888:
format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
break;
case DRM_FORMAT_XBGR8888:
format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
break;
case DRM_FORMAT_ABGR8888:
format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
break;
#else
case DRM_FORMAT_XRGB8888:
format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
break;
case DRM_FORMAT_ARGB8888:
format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
break;
case DRM_FORMAT_BGRX8888:
format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
break;
case DRM_FORMAT_BGRA8888:
format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
break;
case DRM_FORMAT_RGBX8888:
format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
break;
case DRM_FORMAT_RGBA8888:
format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
break;
case DRM_FORMAT_XBGR8888:
format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
break;
case DRM_FORMAT_ABGR8888:
format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
break;
#endif
default:
/*
* This should not happen, we handle everything listed
* in virtio_gpu_formats[].
*/
format = 0;
break;
}
WARN_ON(format == 0);
return format;
}
static void virtio_gpu_plane_destroy(struct drm_plane *plane)
{
drm_plane_cleanup(plane);