1 files changed, 322 insertions, 288 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 3ce630aa4fde..7ef51fa84b01 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -79,7 +79,7 @@ struct vmw_surface_dirty {
 	struct svga3dsurface_cache cache;
 	size_t size;
 	u32 num_subres;
-	SVGA3dBox boxes[0];
+	SVGA3dBox boxes[];
 };
 
 static void vmw_user_surface_free(struct vmw_resource *res);
@@ -199,7 +199,7 @@ struct vmw_surface_destroy {
  */
 static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf)
 {
-	return srf->num_sizes * sizeof(struct vmw_surface_dma);
+	return srf->metadata.num_sizes * sizeof(struct vmw_surface_dma);
 }
 
 
@@ -213,7 +213,7 @@ static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf)
  */
 static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf)
 {
-	return sizeof(struct vmw_surface_define) + srf->num_sizes *
+	return sizeof(struct vmw_surface_define) + srf->metadata.num_sizes *
 		sizeof(SVGA3dSize);
 }
 
@@ -262,7 +262,8 @@ static void vmw_surface_define_encode(const struct vmw_surface *srf,
 	uint32_t cmd_len;
 	int i;
 
-	cmd_len = sizeof(cmd->body) + srf->num_sizes * sizeof(SVGA3dSize);
+	cmd_len = sizeof(cmd->body) + srf->metadata.num_sizes *
+		sizeof(SVGA3dSize);
 
 	cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE;
 	cmd->header.size = cmd_len;
@@ -272,16 +273,16 @@ static void vmw_surface_define_encode(const struct vmw_surface *srf,
 	 * since driver internally stores as 64 bit.
 	 * For legacy surface define only 32 bit flag is supported.
 	 */
-	cmd->body.surfaceFlags = (SVGA3dSurface1Flags)srf->flags;
-	cmd->body.format = srf->format;
+	cmd->body.surfaceFlags = (SVGA3dSurface1Flags)srf->metadata.flags;
+	cmd->body.format = srf->metadata.format;
 	for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i)
-		cmd->body.face[i].numMipLevels = srf->mip_levels[i];
+		cmd->body.face[i].numMipLevels = srf->metadata.mip_levels[i];
 
 	cmd += 1;
 	cmd_size = (SVGA3dSize *) cmd;
-	src_size = srf->sizes;
+	src_size = srf->metadata.sizes;
 
-	for (i = 0; i < srf->num_sizes; ++i, cmd_size++, src_size++) {
+	for (i = 0; i < srf->metadata.num_sizes; ++i, cmd_size++, src_size++) {
 		cmd_size->width = src_size->width;
 		cmd_size->height = src_size->height;
 		cmd_size->depth = src_size->depth;
@@ -305,15 +306,15 @@ static void vmw_surface_dma_encode(struct vmw_surface *srf,
 	uint32_t i;
 	struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space;
 	const struct svga3d_surface_desc *desc =
-		svga3dsurface_get_desc(srf->format);
+		svga3dsurface_get_desc(srf->metadata.format);
 
-	for (i = 0; i < srf->num_sizes; ++i) {
+	for (i = 0; i < srf->metadata.num_sizes; ++i) {
 		SVGA3dCmdHeader *header = &cmd->header;
 		SVGA3dCmdSurfaceDMA *body = &cmd->body;
 		SVGA3dCopyBox *cb = &cmd->cb;
 		SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix;
 		const struct vmw_surface_offset *cur_offset = &srf->offsets[i];
-		const struct drm_vmw_size *cur_size = &srf->sizes[i];
+		const struct drm_vmw_size *cur_size = &srf->metadata.sizes[i];
 
 		header->id = SVGA_3D_CMD_SURFACE_DMA;
 		header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix);
@@ -669,7 +670,7 @@ static void vmw_user_surface_free(struct vmw_resource *res)
 	if (user_srf->master)
 		drm_master_put(&user_srf->master);
 	kfree(srf->offsets);
-	kfree(srf->sizes);
+	kfree(srf->metadata.sizes);
 	kfree(srf->snooper.image);
 	ttm_prime_object_kfree(user_srf, prime);
 	ttm_mem_global_free(vmw_mem_glob(dev_priv), size);
@@ -728,6 +729,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	struct vmw_private *dev_priv = vmw_priv(dev);
 	struct vmw_user_surface *user_srf;
 	struct vmw_surface *srf;
+	struct vmw_surface_metadata *metadata;
 	struct vmw_resource *res;
 	struct vmw_resource *tmp;
 	union drm_vmw_surface_create_arg *arg =
@@ -793,43 +795,45 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	}
 
 	srf = &user_srf->srf;
+	metadata = &srf->metadata;
 	res = &srf->res;
 
 	/* Driver internally stores as 64-bit flags */
-	srf->flags = (SVGA3dSurfaceAllFlags)req->flags;
-	srf->format = req->format;
-	srf->scanout = req->scanout;
+	metadata->flags = (SVGA3dSurfaceAllFlags)req->flags;
+	metadata->format = req->format;
+	metadata->scanout = req->scanout;
 
-	memcpy(srf->mip_levels, req->mip_levels, sizeof(srf->mip_levels));
-	srf->num_sizes = num_sizes;
+	memcpy(metadata->mip_levels, req->mip_levels,
+	       sizeof(metadata->mip_levels));
+	metadata->num_sizes = num_sizes;
 	user_srf->size = size;
-	srf->sizes = memdup_user((struct drm_vmw_size __user *)(unsigned long)
-				 req->size_addr,
-				 sizeof(*srf->sizes) * srf->num_sizes);
-	if (IS_ERR(srf->sizes)) {
-		ret = PTR_ERR(srf->sizes);
+	metadata->sizes =
+		memdup_user((struct drm_vmw_size __user *)(unsigned long)
+			    req->size_addr,
+			    sizeof(*metadata->sizes) * metadata->num_sizes);
+	if (IS_ERR(metadata->sizes)) {
+		ret = PTR_ERR(metadata->sizes);
 		goto out_no_sizes;
 	}
-	srf->offsets = kmalloc_array(srf->num_sizes,
-				     sizeof(*srf->offsets),
+	srf->offsets = kmalloc_array(metadata->num_sizes, sizeof(*srf->offsets),
 				     GFP_KERNEL);
 	if (unlikely(!srf->offsets)) {
 		ret = -ENOMEM;
 		goto out_no_offsets;
 	}
 
-	srf->base_size = *srf->sizes;
-	srf->autogen_filter = SVGA3D_TEX_FILTER_NONE;
-	srf->multisample_count = 0;
-	srf->multisample_pattern = SVGA3D_MS_PATTERN_NONE;
-	srf->quality_level = SVGA3D_MS_QUALITY_NONE;
+	metadata->base_size = *srf->metadata.sizes;
+	metadata->autogen_filter = SVGA3D_TEX_FILTER_NONE;
+	metadata->multisample_count = 0;
+	metadata->multisample_pattern = SVGA3D_MS_PATTERN_NONE;
+	metadata->quality_level = SVGA3D_MS_QUALITY_NONE;
 
 	cur_bo_offset = 0;
 	cur_offset = srf->offsets;
-	cur_size = srf->sizes;
+	cur_size = metadata->sizes;
 
 	for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) {
-		for (j = 0; j < srf->mip_levels[i]; ++j) {
+		for (j = 0; j < metadata->mip_levels[i]; ++j) {
 			uint32_t stride = svga3dsurface_calculate_pitch
 				(desc, cur_size);
 
@@ -843,11 +847,11 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 		}
 	}
 	res->backup_size = cur_bo_offset;
-	if (srf->scanout &&
-	    srf->num_sizes == 1 &&
-	    srf->sizes[0].width == 64 &&
-	    srf->sizes[0].height == 64 &&
-	    srf->format == SVGA3D_A8R8G8B8) {
+	if (metadata->scanout &&
+	    metadata->num_sizes == 1 &&
+	    metadata->sizes[0].width == 64 &&
+	    metadata->sizes[0].height == 64 &&
+	    metadata->format == SVGA3D_A8R8G8B8) {
 
 		srf->snooper.image = kzalloc(64 * 64 * 4, GFP_KERNEL);
 		if (!srf->snooper.image) {
@@ -911,7 +915,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 out_no_copy:
 	kfree(srf->offsets);
 out_no_offsets:
-	kfree(srf->sizes);
+	kfree(metadata->sizes);
 out_no_sizes:
 	ttm_prime_object_kfree(user_srf, prime);
 out_no_user_srf:
@@ -1031,18 +1035,19 @@ int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 	srf = &user_srf->srf;
 
 	/* Downcast of flags when sending back to user space */
-	rep->flags = (uint32_t)srf->flags;
-	rep->format = srf->format;
-	memcpy(rep->mip_levels, srf->mip_levels, sizeof(srf->mip_levels));
+	rep->flags = (uint32_t)srf->metadata.flags;
+	rep->format = srf->metadata.format;
+	memcpy(rep->mip_levels, srf->metadata.mip_levels,
+	       sizeof(srf->metadata.mip_levels));
 	user_sizes = (struct drm_vmw_size __user *)(unsigned long)
 	    rep->size_addr;
 
 	if (user_sizes)
-		ret = copy_to_user(user_sizes, &srf->base_size,
-				   sizeof(srf->base_size));
+		ret = copy_to_user(user_sizes, &srf->metadata.base_size,
+				   sizeof(srf->metadata.base_size));
 	if (unlikely(ret != 0)) {
 		VMW_DEBUG_USER("copy_to_user failed %p %u\n", user_sizes,
-			       srf->num_sizes);
+			       srf->metadata.num_sizes);
 		ttm_ref_object_base_unref(tfile, base->handle, TTM_REF_USAGE);
 		ret = -EFAULT;
 	}
@@ -1062,6 +1067,7 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 {
 	struct vmw_private *dev_priv = res->dev_priv;
 	struct vmw_surface *srf = vmw_res_to_srf(res);
+	struct vmw_surface_metadata *metadata = &srf->metadata;
 	uint32_t cmd_len, cmd_id, submit_len;
 	int ret;
 	struct {
@@ -1076,6 +1082,10 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 		SVGA3dCmdHeader header;
 		SVGA3dCmdDefineGBSurface_v3 body;
 	} *cmd3;
+	struct {
+		SVGA3dCmdHeader header;
+		SVGA3dCmdDefineGBSurface_v4 body;
+	} *cmd4;
 
 	if (likely(res->id != -1))
 		return 0;
@@ -1092,12 +1102,16 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 		goto out_no_fifo;
 	}
 
-	if (dev_priv->has_sm4_1 && srf->array_size > 0) {
+	if (has_sm5_context(dev_priv) && metadata->array_size > 0) {
+		cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V4;
+		cmd_len = sizeof(cmd4->body);
+		submit_len = sizeof(*cmd4);
+	} else if (has_sm4_1_context(dev_priv) && metadata->array_size > 0) {
 		cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V3;
 		cmd_len = sizeof(cmd3->body);
 		submit_len = sizeof(*cmd3);
-	} else if (srf->array_size > 0) {
-		/* has_dx checked on creation time. */
+	} else if (metadata->array_size > 0) {
+		/* VMW_SM_4 support verified at creation time. */
 		cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V2;
 		cmd_len = sizeof(cmd2->body);
 		submit_len = sizeof(*cmd2);
@@ -1110,51 +1124,68 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 	cmd = VMW_FIFO_RESERVE(dev_priv, submit_len);
 	cmd2 = (typeof(cmd2))cmd;
 	cmd3 = (typeof(cmd3))cmd;
+	cmd4 = (typeof(cmd4))cmd;
 	if (unlikely(!cmd)) {
 		ret = -ENOMEM;
 		goto out_no_fifo;
 	}
 
-	if (dev_priv->has_sm4_1 && srf->array_size > 0) {
+	if (has_sm5_context(dev_priv) && metadata->array_size > 0) {
+		cmd4->header.id = cmd_id;
+		cmd4->header.size = cmd_len;
+		cmd4->body.sid = srf->res.id;
+		cmd4->body.surfaceFlags = metadata->flags;
+		cmd4->body.format = metadata->format;
+		cmd4->body.numMipLevels = metadata->mip_levels[0];
+		cmd4->body.multisampleCount = metadata->multisample_count;
+		cmd4->body.multisamplePattern = metadata->multisample_pattern;
+		cmd4->body.qualityLevel = metadata->quality_level;
+		cmd4->body.autogenFilter = metadata->autogen_filter;
+		cmd4->body.size.width = metadata->base_size.width;
+		cmd4->body.size.height = metadata->base_size.height;
+		cmd4->body.size.depth = metadata->base_size.depth;
+		cmd4->body.arraySize = metadata->array_size;
+		cmd4->body.bufferByteStride = metadata->buffer_byte_stride;
+	} else if (has_sm4_1_context(dev_priv) && metadata->array_size > 0) {
 		cmd3->header.id = cmd_id;
 		cmd3->header.size = cmd_len;
 		cmd3->body.sid = srf->res.id;
-		cmd3->body.surfaceFlags = srf->flags;
-		cmd3->body.format = srf->format;
-		cmd3->body.numMipLevels = srf->mip_levels[0];
-		cmd3->body.multisampleCount = srf->multisample_count;
-		cmd3->body.multisamplePattern = srf->multisample_pattern;
-		cmd3->body.qualityLevel = srf->quality_level;
-		cmd3->body.autogenFilter = srf->autogen_filter;
-		cmd3->body.size.width = srf->base_size.width;
-		cmd3->body.size.height = srf->base_size.height;
-		cmd3->body.size.depth = srf->base_size.depth;
-		cmd3->body.arraySize = srf->array_size;
-	} else if (srf->array_size > 0) {
+		cmd3->body.surfaceFlags = metadata->flags;
+		cmd3->body.format = metadata->format;
+		cmd3->body.numMipLevels = metadata->mip_levels[0];
+		cmd3->body.multisampleCount = metadata->multisample_count;
+		cmd3->body.multisamplePattern = metadata->multisample_pattern;
+		cmd3->body.qualityLevel = metadata->quality_level;
+		cmd3->body.autogenFilter = metadata->autogen_filter;
+		cmd3->body.size.width = metadata->base_size.width;
+		cmd3->body.size.height = metadata->base_size.height;
+		cmd3->body.size.depth = metadata->base_size.depth;
+		cmd3->body.arraySize = metadata->array_size;
+	} else if (metadata->array_size > 0) {
 		cmd2->header.id = cmd_id;
 		cmd2->header.size = cmd_len;
 		cmd2->body.sid = srf->res.id;
-		cmd2->body.surfaceFlags = srf->flags;
-		cmd2->body.format = srf->format;
-		cmd2->body.numMipLevels = srf->mip_levels[0];
-		cmd2->body.multisampleCount = srf->multisample_count;
-		cmd2->body.autogenFilter = srf->autogen_filter;
-		cmd2->body.size.width = srf->base_size.width;
-		cmd2->body.size.height = srf->base_size.height;
-		cmd2->body.size.depth = srf->base_size.depth;
-		cmd2->body.arraySize = srf->array_size;
+		cmd2->body.surfaceFlags = metadata->flags;
+		cmd2->body.format = metadata->format;
+		cmd2->body.numMipLevels = metadata->mip_levels[0];
+		cmd2->body.multisampleCount = metadata->multisample_count;
+		cmd2->body.autogenFilter = metadata->autogen_filter;
+		cmd2->body.size.width = metadata->base_size.width;
+		cmd2->body.size.height = metadata->base_size.height;
+		cmd2->body.size.depth = metadata->base_size.depth;
+		cmd2->body.arraySize = metadata->array_size;
 	} else {
 		cmd->header.id = cmd_id;
 		cmd->header.size = cmd_len;
 		cmd->body.sid = srf->res.id;
-		cmd->body.surfaceFlags = srf->flags;
-		cmd->body.format = srf->format;
-		cmd->body.numMipLevels = srf->mip_levels[0];
-		cmd->body.multisampleCount = srf->multisample_count;
-		cmd->body.autogenFilter = srf->autogen_filter;
-		cmd->body.size.width = srf->base_size.width;
-		cmd->body.size.height = srf->base_size.height;
-		cmd->body.size.depth = srf->base_size.depth;
+		cmd->body.surfaceFlags = metadata->flags;
+		cmd->body.format = metadata->format;
+		cmd->body.numMipLevels = metadata->mip_levels[0];
+		cmd->body.multisampleCount = metadata->multisample_count;
+		cmd->body.autogenFilter = metadata->autogen_filter;
+		cmd->body.size.width = metadata->base_size.width;
+		cmd->body.size.height = metadata->base_size.height;
+		cmd->body.size.depth = metadata->base_size.depth;
 	}
 
 	vmw_fifo_commit(dev_priv, submit_len);
@@ -1314,7 +1345,6 @@ static int vmw_gb_surface_destroy(struct vmw_resource *res)
 	return 0;
 }
 
-
 /**
  * vmw_gb_surface_define_ioctl - Ioctl function implementing
  * the user surface define functionality.
@@ -1336,6 +1366,7 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
 	req_ext.svga3d_flags_upper_32_bits = 0;
 	req_ext.multisample_pattern = SVGA3D_MS_PATTERN_NONE;
 	req_ext.quality_level = SVGA3D_MS_QUALITY_NONE;
+	req_ext.buffer_byte_stride = 0;
 	req_ext.must_be_zero = 0;
 
 	return vmw_gb_surface_define_internal(dev, &req_ext, rep, file_priv);
@@ -1371,171 +1402,6 @@ int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
 }
 
 /**
- * vmw_surface_gb_priv_define - Define a private GB surface
- *
- * @dev:  Pointer to a struct drm_device
- * @user_accounting_size:  Used to track user-space memory usage, set
- *                         to 0 for kernel mode only memory
- * @svga3d_flags: SVGA3d surface flags for the device
- * @format: requested surface format
- * @for_scanout: true if inteded to be used for scanout buffer
- * @num_mip_levels:  number of MIP levels
- * @multisample_count:
- * @array_size: Surface array size.
- * @size: width, heigh, depth of the surface requested
- * @multisample_pattern: Multisampling pattern when msaa is supported
- * @quality_level: Precision settings
- * @user_srf_out: allocated user_srf.  Set to NULL on failure.
- *
- * GB surfaces allocated by this function will not have a user mode handle, and
- * thus will only be visible to vmwgfx.  For optimization reasons the
- * surface may later be given a user mode handle by another function to make
- * it available to user mode drivers.
- */
-int vmw_surface_gb_priv_define(struct drm_device *dev,
-			       uint32_t user_accounting_size,
-			       SVGA3dSurfaceAllFlags svga3d_flags,
-			       SVGA3dSurfaceFormat format,
-			       bool for_scanout,
-			       uint32_t num_mip_levels,
-			       uint32_t multisample_count,
-			       uint32_t array_size,
-			       struct drm_vmw_size size,
-			       SVGA3dMSPattern multisample_pattern,
-			       SVGA3dMSQualityLevel quality_level,
-			       struct vmw_surface **srf_out)
-{
-	struct vmw_private *dev_priv = vmw_priv(dev);
-	struct vmw_user_surface *user_srf;
-	struct ttm_operation_ctx ctx = {
-		.interruptible = true,
-		.no_wait_gpu = false
-	};
-	struct vmw_surface *srf;
-	int ret;
-	u32 num_layers = 1;
-	u32 sample_count = 1;
-
-	*srf_out = NULL;
-
-	if (for_scanout) {
-		if (!svga3dsurface_is_screen_target_format(format)) {
-			VMW_DEBUG_USER("Invalid Screen Target surface format.");
-			return -EINVAL;
-		}
-
-		if (size.width > dev_priv->texture_max_width ||
-		    size.height > dev_priv->texture_max_height) {
-			VMW_DEBUG_USER("%ux%u\n, exceeds max surface size %ux%u",
-				       size.width, size.height,
-				       dev_priv->texture_max_width,
-				       dev_priv->texture_max_height);
-			return -EINVAL;
-		}
-	} else {
-		const struct svga3d_surface_desc *desc;
-
-		desc = svga3dsurface_get_desc(format);
-		if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) {
-			VMW_DEBUG_USER("Invalid surface format.\n");
-			return -EINVAL;
-		}
-	}
-
-	/* array_size must be null for non-GL3 host. */
-	if (array_size > 0 && !dev_priv->has_dx) {
-		VMW_DEBUG_USER("Tried to create DX surface on non-DX host.\n");
-		return -EINVAL;
-	}
-
-	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
-	if (unlikely(ret != 0))
-		return ret;
-
-	ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
-				   user_accounting_size, &ctx);
-	if (unlikely(ret != 0)) {
-		if (ret != -ERESTARTSYS)
-			DRM_ERROR("Out of graphics memory for surface"
-				  " creation.\n");
-		goto out_unlock;
-	}
-
-	user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL);
-	if (unlikely(!user_srf)) {
-		ret = -ENOMEM;
-		goto out_no_user_srf;
-	}
-
-	*srf_out  = &user_srf->srf;
-	user_srf->size = user_accounting_size;
-	user_srf->prime.base.shareable = false;
-	user_srf->prime.base.tfile     = NULL;
-
-	srf = &user_srf->srf;
-	srf->flags             = svga3d_flags;
-	srf->format            = format;
-	srf->scanout           = for_scanout;
-	srf->mip_levels[0]     = num_mip_levels;
-	srf->num_sizes         = 1;
-	srf->sizes             = NULL;
-	srf->offsets           = NULL;
-	srf->base_size         = size;
-	srf->autogen_filter    = SVGA3D_TEX_FILTER_NONE;
-	srf->array_size        = array_size;
-	srf->multisample_count = multisample_count;
-	srf->multisample_pattern = multisample_pattern;
-	srf->quality_level = quality_level;
-
-	if (array_size)
-		num_layers = array_size;
-	else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP)
-		num_layers = SVGA3D_MAX_SURFACE_FACES;
-
-	if (srf->flags & SVGA3D_SURFACE_MULTISAMPLE)
-		sample_count = srf->multisample_count;
-
-	srf->res.backup_size   =
-		svga3dsurface_get_serialized_size_extended(srf->format,
-							   srf->base_size,
-							   srf->mip_levels[0],
-							   num_layers,
-							   sample_count);
-
-	if (srf->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT)
-		srf->res.backup_size += sizeof(SVGA3dDXSOState);
-
-	/*
-	 * Don't set SVGA3D_SURFACE_SCREENTARGET flag for a scanout surface with
-	 * size greater than STDU max width/height. This is really a workaround
-	 * to support creation of big framebuffer requested by some user-space
-	 * for whole topology. That big framebuffer won't really be used for
-	 * binding with screen target as during prepare_fb a separate surface is
-	 * created so it's safe to ignore SVGA3D_SURFACE_SCREENTARGET flag.
-	 */
-	if (dev_priv->active_display_unit == vmw_du_screen_target &&
-	    for_scanout && size.width <= dev_priv->stdu_max_width &&
-	    size.height <= dev_priv->stdu_max_height)
-		srf->flags |= SVGA3D_SURFACE_SCREENTARGET;
-
-	/*
-	 * From this point, the generic resource management functions
-	 * destroy the object on failure.
-	 */
-	ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free);
-
-	ttm_read_unlock(&dev_priv->reservation_sem);
-	return ret;
-
-out_no_user_srf:
-	ttm_mem_global_free(vmw_mem_glob(dev_priv), user_accounting_size);
-
-out_unlock:
-	ttm_read_unlock(&dev_priv->reservation_sem);
-	return ret;
-}
-
-/**
  * vmw_gb_surface_define_ext_ioctl - Ioctl function implementing
  * the user surface define functionality.
  *
@@ -1588,43 +1454,60 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 			       struct drm_vmw_gb_surface_create_rep *rep,
 			       struct drm_file *file_priv)
 {
+	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
 	struct vmw_private *dev_priv = vmw_priv(dev);
 	struct vmw_user_surface *user_srf;
+	struct vmw_surface_metadata metadata = {0};
 	struct vmw_surface *srf;
 	struct vmw_resource *res;
 	struct vmw_resource *tmp;
-	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
-	int ret;
+	int ret = 0;
 	uint32_t size;
 	uint32_t backup_handle = 0;
 	SVGA3dSurfaceAllFlags svga3d_flags_64 =
 		SVGA3D_FLAGS_64(req->svga3d_flags_upper_32_bits,
 				req->base.svga3d_flags);
 
-	if (!dev_priv->has_sm4_1) {
-		/*
-		 * If SM4_1 is not support then cannot send 64-bit flag to
-		 * device.
-		 */
+	/* array_size must be null for non-GL3 host. */
+	if (req->base.array_size > 0 && !has_sm4_context(dev_priv)) {
+		VMW_DEBUG_USER("SM4 surface not supported.\n");
+		return -EINVAL;
+	}
+
+	if (!has_sm4_1_context(dev_priv)) {
 		if (req->svga3d_flags_upper_32_bits != 0)
-			return -EINVAL;
+			ret = -EINVAL;
 
 		if (req->base.multisample_count != 0)
-			return -EINVAL;
+			ret = -EINVAL;
 
 		if (req->multisample_pattern != SVGA3D_MS_PATTERN_NONE)
-			return -EINVAL;
+			ret = -EINVAL;
 
 		if (req->quality_level != SVGA3D_MS_QUALITY_NONE)
-			return -EINVAL;
+			ret = -EINVAL;
+
+		if (ret) {
+			VMW_DEBUG_USER("SM4.1 surface not supported.\n");
+			return ret;
+		}
+	}
+
+	if (req->buffer_byte_stride > 0 && !has_sm5_context(dev_priv)) {
+		VMW_DEBUG_USER("SM5 surface not supported.\n");
+		return -EINVAL;
 	}
 
 	if ((svga3d_flags_64 & SVGA3D_SURFACE_MULTISAMPLE) &&
-	    req->base.multisample_count == 0)
+	    req->base.multisample_count == 0) {
+		VMW_DEBUG_USER("Invalid sample count.\n");
 		return -EINVAL;
+	}
 
-	if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS)
+	if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS) {
+		VMW_DEBUG_USER("Invalid mip level.\n");
 		return -EINVAL;
+	}
 
 	if (unlikely(vmw_user_surface_size == 0))
 		vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
@@ -1632,22 +1515,25 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 
 	size = vmw_user_surface_size;
 
+	metadata.flags = svga3d_flags_64;
+	metadata.format = req->base.format;
+	metadata.mip_levels[0] = req->base.mip_levels;
+	metadata.multisample_count = req->base.multisample_count;
+	metadata.multisample_pattern = req->multisample_pattern;
+	metadata.quality_level = req->quality_level;
+	metadata.array_size = req->base.array_size;
+	metadata.buffer_byte_stride = req->buffer_byte_stride;
+	metadata.num_sizes = 1;
+	metadata.base_size = req->base.base_size;
+	metadata.scanout = req->base.drm_surface_flags &
+		drm_vmw_surface_flag_scanout;
+
 	/* Define a surface based on the parameters. */
-	ret = vmw_surface_gb_priv_define(dev,
-					 size,
-					 svga3d_flags_64,
-					 req->base.format,
-					 req->base.drm_surface_flags &
-					 drm_vmw_surface_flag_scanout,
-					 req->base.mip_levels,
-					 req->base.multisample_count,
-					 req->base.array_size,
-					 req->base.base_size,
-					 req->multisample_pattern,
-					 req->quality_level,
-					 &srf);
-	if (unlikely(ret != 0))
+	ret = vmw_gb_surface_define(dev_priv, size, &metadata, &srf);
+	if (ret != 0) {
+		VMW_DEBUG_USER("Failed to define surface.\n");
 		return ret;
+	}
 
 	user_srf = container_of(srf, struct vmw_user_surface, srf);
 	if (drm_is_primary_client(file_priv))
@@ -1762,6 +1648,7 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
 	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
 	struct vmw_surface *srf;
 	struct vmw_user_surface *user_srf;
+	struct vmw_surface_metadata *metadata;
 	struct ttm_base_object *base;
 	uint32_t backup_handle;
 	int ret = -EINVAL;
@@ -1777,6 +1664,7 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
 		DRM_ERROR("Shared GB surface is missing a backup buffer.\n");
 		goto out_bad_resource;
 	}
+	metadata = &srf->metadata;
 
 	mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */
 	ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle);
@@ -1790,15 +1678,15 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
 		goto out_bad_resource;
 	}
 
-	rep->creq.base.svga3d_flags = SVGA3D_FLAGS_LOWER_32(srf->flags);
-	rep->creq.base.format = srf->format;
-	rep->creq.base.mip_levels = srf->mip_levels[0];
+	rep->creq.base.svga3d_flags = SVGA3D_FLAGS_LOWER_32(metadata->flags);
+	rep->creq.base.format = metadata->format;
+	rep->creq.base.mip_levels = metadata->mip_levels[0];
 	rep->creq.base.drm_surface_flags = 0;
-	rep->creq.base.multisample_count = srf->multisample_count;
-	rep->creq.base.autogen_filter = srf->autogen_filter;
-	rep->creq.base.array_size = srf->array_size;
+	rep->creq.base.multisample_count = metadata->multisample_count;
+	rep->creq.base.autogen_filter = metadata->autogen_filter;
+	rep->creq.base.array_size = metadata->array_size;
 	rep->creq.base.buffer_handle = backup_handle;
-	rep->creq.base.base_size = srf->base_size;
+	rep->creq.base.base_size = metadata->base_size;
 	rep->crep.handle = user_srf->prime.base.handle;
 	rep->crep.backup_size = srf->res.backup_size;
 	rep->crep.buffer_handle = backup_handle;
@@ -1808,9 +1696,9 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
 
 	rep->creq.version = drm_vmw_gb_surface_v1;
 	rep->creq.svga3d_flags_upper_32_bits =
-		SVGA3D_FLAGS_UPPER_32(srf->flags);
-	rep->creq.multisample_pattern = srf->multisample_pattern;
-	rep->creq.quality_level = srf->quality_level;
+		SVGA3D_FLAGS_UPPER_32(metadata->flags);
+	rep->creq.multisample_pattern = metadata->multisample_pattern;
+	rep->creq.quality_level = metadata->quality_level;
 	rep->creq.must_be_zero = 0;
 
 out_bad_resource:
@@ -1968,7 +1856,7 @@ static void vmw_surface_dirty_range_add(struct vmw_resource *res, size_t start,
 		    start >= res->backup_offset + res->backup_size))
 		return;
 
-	if (srf->format == SVGA3D_BUFFER)
+	if (srf->metadata.format == SVGA3D_BUFFER)
 		vmw_surface_buf_dirty_range_add(res, start, end);
 	else
 		vmw_surface_tex_dirty_range_add(res, start, end);
@@ -2058,6 +1946,7 @@ static int vmw_surface_dirty_sync(struct vmw_resource *res)
 static int vmw_surface_dirty_alloc(struct vmw_resource *res)
 {
 	struct vmw_surface *srf = vmw_res_to_srf(res);
+	const struct vmw_surface_metadata *metadata = &srf->metadata;
 	struct vmw_surface_dirty *dirty;
 	u32 num_layers = 1;
 	u32 num_mip;
@@ -2070,12 +1959,12 @@ static int vmw_surface_dirty_alloc(struct vmw_resource *res)
 	};
 	int ret;
 
-	if (srf->array_size)
-		num_layers = srf->array_size;
-	else if (srf->flags & SVGA3D_SURFACE_CUBEMAP)
+	if (metadata->array_size)
+		num_layers = metadata->array_size;
+	else if (metadata->flags & SVGA3D_SURFACE_CUBEMAP)
 		num_layers *= SVGA3D_MAX_SURFACE_FACES;
 
-	num_mip = srf->mip_levels[0];
+	num_mip = metadata->mip_levels[0];
 	if (!num_mip)
 		num_mip = 1;
 
@@ -2096,9 +1985,10 @@ static int vmw_surface_dirty_alloc(struct vmw_resource *res)
 		goto out_no_dirty;
 	}
 
-	num_samples = max_t(u32, 1, srf->multisample_count);
-	ret = svga3dsurface_setup_cache(&srf->base_size, srf->format, num_mip,
-					num_layers, num_samples, &dirty->cache);
+	num_samples = max_t(u32, 1, metadata->multisample_count);
+	ret = svga3dsurface_setup_cache(&metadata->base_size, metadata->format,
+					num_mip, num_layers, num_samples,
+					&dirty->cache);
 	if (ret)
 		goto out_no_cache;
 
@@ -2153,3 +2043,147 @@ static int vmw_surface_clean(struct vmw_resource *res)
 
 	return 0;
 }
+
+/*
+ * vmw_gb_surface_define - Define a private GB surface
+ *
+ * @dev_priv: Pointer to a device private.
+ * @user_accounting_size:  Used to track user-space memory usage, set
+ *                         to 0 for kernel mode only memory
+ * @metadata: Metadata representing the surface to create.
+ * @user_srf_out: allocated user_srf. Set to NULL on failure.
+ *
+ * GB surfaces allocated by this function will not have a user mode handle, and
+ * thus will only be visible to vmwgfx.  For optimization reasons the
+ * surface may later be given a user mode handle by another function to make
+ * it available to user mode drivers.
+ */
+int vmw_gb_surface_define(struct vmw_private *dev_priv,
+			  uint32_t user_accounting_size,
+			  const struct vmw_surface_metadata *req,
+			  struct vmw_surface **srf_out)
+{
+	struct vmw_surface_metadata *metadata;
+	struct vmw_user_surface *user_srf;
+	struct vmw_surface *srf;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
+	u32 sample_count = 1;
+	u32 num_layers = 1;
+	int ret;
+
+	*srf_out = NULL;
+
+	if (req->scanout) {
+		if (!svga3dsurface_is_screen_target_format(req->format)) {
+			VMW_DEBUG_USER("Invalid Screen Target surface format.");
+			return -EINVAL;
+		}
+
+		if (req->base_size.width > dev_priv->texture_max_width ||
+		    req->base_size.height > dev_priv->texture_max_height) {
+			VMW_DEBUG_USER("%ux%u\n, exceed max surface size %ux%u",
+				       req->base_size.width,
+				       req->base_size.height,
+				       dev_priv->texture_max_width,
+				       dev_priv->texture_max_height);
+			return -EINVAL;
+		}
+	} else {
+		const struct svga3d_surface_desc *desc =
+			svga3dsurface_get_desc(req->format);
+
+		if (desc->block_desc == SVGA3DBLOCKDESC_NONE) {
+			VMW_DEBUG_USER("Invalid surface format.\n");
+			return -EINVAL;
+		}
+	}
+
+	if (req->autogen_filter != SVGA3D_TEX_FILTER_NONE)
+		return -EINVAL;
+
+	if (req->num_sizes != 1)
+		return -EINVAL;
+
+	if (req->sizes != NULL)
+		return -EINVAL;
+
+	ret = ttm_read_lock(&dev_priv->reservation_sem, true);
+	if (unlikely(ret != 0))
+		return ret;
+
+	ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
+				   user_accounting_size, &ctx);
+	if (ret != 0) {
+		if (ret != -ERESTARTSYS)
+			DRM_ERROR("Out of graphics memory for surface.\n");
+		goto out_unlock;
+	}
+
+	user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL);
+	if (unlikely(!user_srf)) {
+		ret = -ENOMEM;
+		goto out_no_user_srf;
+	}
+
+	*srf_out  = &user_srf->srf;
+	user_srf->size = user_accounting_size;
+	user_srf->prime.base.shareable = false;
+	user_srf->prime.base.tfile = NULL;
+
+	srf = &user_srf->srf;
+	srf->metadata = *req;
+	srf->offsets = NULL;
+
+	metadata = &srf->metadata;
+
+	if (metadata->array_size)
+		num_layers = req->array_size;
+	else if (metadata->flags & SVGA3D_SURFACE_CUBEMAP)
+		num_layers = SVGA3D_MAX_SURFACE_FACES;
+
+	if (metadata->flags & SVGA3D_SURFACE_MULTISAMPLE)
+		sample_count = metadata->multisample_count;
+
+	srf->res.backup_size =
+		svga3dsurface_get_serialized_size_extended(metadata->format,
+							   metadata->base_size,
+							   metadata->mip_levels[0],
+							   num_layers,
+							   sample_count);
+
+	if (metadata->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT)
+		srf->res.backup_size += sizeof(SVGA3dDXSOState);
+
+	/*
+	 * Don't set SVGA3D_SURFACE_SCREENTARGET flag for a scanout surface with
+	 * size greater than STDU max width/height. This is really a workaround
+	 * to support creation of big framebuffer requested by some user-space
+	 * for whole topology. That big framebuffer won't really be used for
+	 * binding with screen target as during prepare_fb a separate surface is
+	 * created so it's safe to ignore SVGA3D_SURFACE_SCREENTARGET flag.
+	 */
+	if (dev_priv->active_display_unit == vmw_du_screen_target &&
+	    metadata->scanout &&
+	    metadata->base_size.width <= dev_priv->stdu_max_width &&
+	    metadata->base_size.height <= dev_priv->stdu_max_height)
+		metadata->flags |= SVGA3D_SURFACE_SCREENTARGET;
+
+	/*
+	 * From this point, the generic resource management functions
+	 * destroy the object on failure.
+	 */
+	ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free);
+
+	ttm_read_unlock(&dev_priv->reservation_sem);
+	return ret;
+
+out_no_user_srf:
+	ttm_mem_global_free(vmw_mem_glob(dev_priv), user_accounting_size);
+
+out_unlock:
+	ttm_read_unlock(&dev_priv->reservation_sem);
+	return ret;
+}