From: Mateusz Majewski <m.majewski2@samsung.com>
Date: Fri, 12 Apr 2024 12:42:56 +0000 (+0200)
Subject: hack
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=48c0d14d2fd3951e739330d171aa27d11bad933f;p=sdk%2Femulator%2Femulator-kernel.git

hack
---

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 6083966a34a6..1eca54c68ed0 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -95,6 +95,8 @@ struct virtio_gpu_object {
 
 	int uuid_state;
 	uuid_t uuid;
+
+	uint32_t width, height, format;
 };
 #define gem_to_virtio_gpu_obj(gobj) \
 	container_of((gobj), struct virtio_gpu_object, base.base)
@@ -277,7 +279,7 @@ struct virtio_gpu_fpriv {
 };
 
 /* virtgpu_ioctl.c */
-#define DRM_VIRTIO_NUM_IOCTLS 12
+#define DRM_VIRTIO_NUM_IOCTLS 13
 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS];
 void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file);
 
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index bc8c1e9a845f..d277f1160c7e 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -856,6 +856,51 @@ out_unlock:
 	return ret;
 }
 
+static int virtio_gpu_brutal_hack(struct drm_device *dev, void *data,
+					  struct drm_file *file)
+{
+	struct drm_virtgpu_brutal_hack *bh = data;
+	struct drm_gem_object *gobj = NULL;
+	struct virtio_gpu_object *qobj = NULL;
+
+	printk("*** a\n");
+
+	gobj = drm_gem_object_lookup(file, bh->bo_handle);
+	if (gobj == NULL) {
+		printk("*** ENOENT\n");
+		return -ENOENT;
+	}
+
+	printk("*** b\n");
+
+	qobj = gem_to_virtio_gpu_obj(gobj);
+
+	bh->width = qobj->width;
+	bh->height = qobj->height;
+	bh->pitch = qobj->width * 4;
+	switch (qobj->format) {
+	case VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM:
+		bh->format = DRM_FORMAT_XRGB8888;
+		break;
+	case VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM:
+		bh->format = DRM_FORMAT_ARGB8888;
+		break;
+	case VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM:
+		bh->format = DRM_FORMAT_BGRX8888;
+		break;
+	case VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM:
+		bh->format = DRM_FORMAT_BGRA8888;
+		break;
+	default:
+		bh->format = 0;
+		break;
+	}
+
+	printk("*** c\n");
+	drm_gem_object_put(gobj);
+	return 0;
+}
+
 struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
 	DRM_IOCTL_DEF_DRV(VIRTGPU_MAP, virtio_gpu_map_ioctl,
 			  DRM_RENDER_ALLOW),
@@ -895,4 +940,7 @@ struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
 
 	DRM_IOCTL_DEF_DRV(VIRTGPU_CONTEXT_INIT, virtio_gpu_context_init_ioctl,
 			  DRM_RENDER_ALLOW),
+
+	DRM_IOCTL_DEF_DRV(VIRTGPU_BRUTAL_HACK, virtio_gpu_brutal_hack,
+			  DRM_RENDER_ALLOW),
 };
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index c7e74cf13022..26674db04b70 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -234,6 +234,16 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 		virtio_gpu_object_attach(vgdev, bo, ents, nents);
 	}
 
+	if (!params->blob) {
+		bo->width = params->width;
+		bo->height = params->height;
+		bo->format = params->format;
+	} else {
+		bo->width = 0;
+		bo->height = 0;
+		bo->format = 0;
+	}
+
 	*bo_ptr = bo;
 	return 0;
 
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index 7b158fcb02b4..75ef4b4b09c2 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -48,6 +48,7 @@ extern "C" {
 #define DRM_VIRTGPU_GET_CAPS  0x09
 #define DRM_VIRTGPU_RESOURCE_CREATE_BLOB 0x0a
 #define DRM_VIRTGPU_CONTEXT_INIT 0x0b
+#define DRM_VIRTGPU_BRUTAL_HACK 0x0c
 
 #define VIRTGPU_EXECBUF_FENCE_FD_IN	0x01
 #define VIRTGPU_EXECBUF_FENCE_FD_OUT	0x02
@@ -197,6 +198,14 @@ struct drm_virtgpu_context_init {
 	__u64 ctx_set_params;
 };
 
+struct drm_virtgpu_brutal_hack {
+	__u32 bo_handle;
+	__u32 width;
+	__u32 height;
+	__u32 pitch;
+	__u32 format;
+};
+
 /*
  * Event code that's given when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is in
  * effect.  The event size is sizeof(drm_event), since there is no additional
@@ -247,6 +256,10 @@ struct drm_virtgpu_context_init {
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_CONTEXT_INIT,		\
 		struct drm_virtgpu_context_init)
 
+#define DRM_IOCTL_VIRTGPU_BRUTAL_HACK					\
+	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_BRUTAL_HACK,		\
+		struct drm_virtgpu_brutal_hack)
+
 #if defined(__cplusplus)
 }
 #endif