[PATCH v2 13/17] drm/vmwgfx: Split surface metadata from struct vmw_surface

["Roland Scheidegger (VMware)" <rscheidegger.oss@gmail.com>]

From: Deepak Rawat <drawat.floss@gmail.com>

Create a new structure vmw_surface_metadata representing the metadata
used for creating surface. With this can make the surface_define_priv
a bit cleaner.

Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h     |  56 ++++--
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c     |  16 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c    |  44 +++--
 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 240 +++++++++++++-----------
 4 files changed, 202 insertions(+), 154 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index cfd8eaf7973e..c87bb854267b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -225,24 +225,56 @@ struct vmw_cursor_snooper {
 struct vmw_framebuffer;
 struct vmw_surface_offset;
 
-struct vmw_surface {
-	struct vmw_resource res;
-	SVGA3dSurfaceAllFlags flags;
-	uint32_t format;
-	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
+/**
+ * struct vmw_surface_metadata - Metadata describing a surface.
+ *
+ * @flags: Device flags.
+ * @format: Surface SVGA3D_x format.
+ * @mip_levels: Mip level for each face. For GB first index is used only.
+ * @multisample_count: Sample count.
+ * @multisample_pattern: Sample patterns.
+ * @quality_level: Quality level.
+ * @autogen_filter: Filter for automatically generated mipmaps.
+ * @array_size: Number of array elements for a 1D/2D texture. For cubemap
+                texture number of faces * array_size. This should be 0 for pre
+		SM4 device.
+ * @num_sizes: Size of @sizes. For GB surface this should always be 1.
+ * @base_size: Surface dimension.
+ * @sizes: Array representing mip sizes. Legacy only.
+ * @scanout: Whether this surface will be used for scanout.
+ *
+ * This tracks metadata for both legacy and guest backed surface.
+ */
+struct vmw_surface_metadata {
+	u64 flags;
+	u32 format;
+	u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
+	u32 multisample_count;
+	u32 multisample_pattern;
+	u32 quality_level;
+	u32 autogen_filter;
+	u32 array_size;
+	u32 num_sizes;
 	struct drm_vmw_size base_size;
 	struct drm_vmw_size *sizes;
-	uint32_t num_sizes;
 	bool scanout;
-	uint32_t array_size;
-	/* TODO so far just a extra pointer */
+};
+
+/**
+ * struct vmw_surface: Resource structure for a surface.
+ *
+ * @res: The base resource for this surface.
+ * @metadata: Metadata for this surface resource.
+ * @snooper: Cursor data. Legacy surface only.
+ * @offsets: Legacy surface only.
+ * @view_list: List of views bound to this surface.
+ */
+struct vmw_surface {
+	struct vmw_resource res;
+	struct vmw_surface_metadata metadata;
 	struct vmw_cursor_snooper snooper;
 	struct vmw_surface_offset *offsets;
-	SVGA3dTextureFilter autogen_filter;
-	uint32_t multisample_count;
 	struct list_head view_list;
-	SVGA3dMSPattern multisample_pattern;
-	SVGA3dMSQualityLevel quality_level;
 };
 
 struct vmw_marker_queue {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 04b79e8975ce..4d2aaca15fd2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -905,14 +905,14 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 	 */
 
 	/* Surface must be marked as a scanout. */
-	if (unlikely(!surface->scanout))
+	if (unlikely(!surface->metadata.scanout))
 		return -EINVAL;
 
-	if (unlikely(surface->mip_levels[0] != 1 ||
-		     surface->num_sizes != 1 ||
-		     surface->base_size.width < mode_cmd->width ||
-		     surface->base_size.height < mode_cmd->height ||
-		     surface->base_size.depth != 1)) {
+	if (unlikely(surface->metadata.mip_levels[0] != 1 ||
+		     surface->metadata.num_sizes != 1 ||
+		     surface->metadata.base_size.width < mode_cmd->width ||
+		     surface->metadata.base_size.height < mode_cmd->height ||
+		     surface->metadata.base_size.depth != 1)) {
 		DRM_ERROR("Incompatible surface dimensions "
 			  "for requested mode.\n");
 		return -EINVAL;
@@ -941,7 +941,7 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 	 * For DX, surface format validation is done when surface->scanout
 	 * is set.
 	 */
-	if (!has_sm4_context(dev_priv) && format != surface->format) {
+	if (!has_sm4_context(dev_priv) && format != surface->metadata.format) {
 		DRM_ERROR("Invalid surface format for requested mode.\n");
 		return -EINVAL;
 	}
@@ -2516,7 +2516,7 @@ int vmw_kms_update_proxy(struct vmw_resource *res,
 			 int increment)
 {
 	struct vmw_private *dev_priv = res->dev_priv;
-	struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
+	struct drm_vmw_size *size = &vmw_res_to_srf(res)->metadata.base_size;
 	struct {
 		SVGA3dCmdHeader header;
 		SVGA3dCmdUpdateGBImage body;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 68aecb6d9f87..60275fe0db94 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -590,7 +590,7 @@ static void vmw_stdu_bo_cpu_commit(struct vmw_kms_dirty *dirty)
 		return;
 
 	/* Assume we are blitting from Guest (bo) to Host (display_srf) */
-	dst_pitch = stdu->display_srf->base_size.width * stdu->cpp;
+	dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp;
 	dst_bo = &stdu->display_srf->res.backup->base;
 	dst_offset = ddirty->top * dst_pitch + ddirty->left * stdu->cpp;
 
@@ -1058,8 +1058,9 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
 	vfb = vmw_framebuffer_to_vfb(new_fb);
 	new_vfbs = (vfb->bo) ? NULL : vmw_framebuffer_to_vfbs(new_fb);
 
-	if (new_vfbs && new_vfbs->surface->base_size.width == hdisplay &&
-	    new_vfbs->surface->base_size.height == vdisplay)
+	if (new_vfbs &&
+	    new_vfbs->surface->metadata.base_size.width == hdisplay &&
+	    new_vfbs->surface->metadata.base_size.height == vdisplay)
 		new_content_type = SAME_AS_DISPLAY;
 	else if (vfb->bo)
 		new_content_type = SEPARATE_BO;
@@ -1082,15 +1083,15 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
 
 			switch (new_fb->format->cpp[0]*8) {
 			case 32:
-				content_srf.format = SVGA3D_X8R8G8B8;
+				content_srf.metadata.format = SVGA3D_X8R8G8B8;
 				break;
 
 			case 16:
-				content_srf.format = SVGA3D_R5G6B5;
+				content_srf.metadata.format = SVGA3D_R5G6B5;
 				break;
 
 			case 8:
-				content_srf.format = SVGA3D_P8;
+				content_srf.metadata.format = SVGA3D_P8;
 				break;
 
 			default:
@@ -1098,22 +1099,25 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
 				return -EINVAL;
 			}
 
-			content_srf.flags             = 0;
-			content_srf.mip_levels[0]     = 1;
-			content_srf.multisample_count = 0;
-			content_srf.multisample_pattern =
+			content_srf.metadata.flags = 0;
+			content_srf.metadata.mip_levels[0] = 1;
+			content_srf.metadata.multisample_count = 0;
+			content_srf.metadata.multisample_pattern =
 				SVGA3D_MS_PATTERN_NONE;
-			content_srf.quality_level = SVGA3D_MS_QUALITY_NONE;
+			content_srf.metadata.quality_level =
+				SVGA3D_MS_QUALITY_NONE;
 		} else {
 			content_srf = *new_vfbs->surface;
 		}
 
 		if (vps->surf) {
-			struct drm_vmw_size cur_base_size = vps->surf->base_size;
+			struct drm_vmw_size cur_base_size =
+				vps->surf->metadata.base_size;
 
 			if (cur_base_size.width != display_base_size.width ||
 			    cur_base_size.height != display_base_size.height ||
-			    vps->surf->format != content_srf.format) {
+			    vps->surf->metadata.format !=
+			    content_srf.metadata.format) {
 				WARN_ON(vps->pinned != 0);
 				vmw_surface_unreference(&vps->surf);
 			}
@@ -1125,15 +1129,15 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
 				(crtc->dev,
 				 /* Kernel visible only */
 				 0,
-				 content_srf.flags,
-				 content_srf.format,
+				 content_srf.metadata.flags,
+				 content_srf.metadata.format,
 				 true,  /* a scanout buffer */
-				 content_srf.mip_levels[0],
-				 content_srf.multisample_count,
+				 content_srf.metadata.mip_levels[0],
+				 content_srf.metadata.multisample_count,
 				 0,
 				 display_base_size,
-				 content_srf.multisample_pattern,
-				 content_srf.quality_level,
+				 content_srf.metadata.multisample_pattern,
+				 content_srf.metadata.quality_level,
 				 &vps->surf);
 			if (ret != 0) {
 				DRM_ERROR("Couldn't allocate STDU surface.\n");
@@ -1311,7 +1315,7 @@ vmw_stdu_bo_populate_update_cpu(struct vmw_du_update_plane  *update, void *cmd,
 	diff.cpp = stdu->cpp;
 
 	dst_bo = &stdu->display_srf->res.backup->base;
-	dst_pitch = stdu->display_srf->base_size.width * stdu->cpp;
+	dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp;
 	dst_offset = bb->y1 * dst_pitch + bb->x1 * stdu->cpp;
 
 	src_bo = &vfbbo->buffer->base;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 4bad6e2a700d..d9b677a0491a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -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 {
@@ -1092,11 +1098,11 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 		goto out_no_fifo;
 	}
 
-	if (has_sm4_1_context(dev_priv) && srf->array_size > 0) {
+	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) {
+	} 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);
@@ -1115,46 +1121,46 @@ static int vmw_gb_surface_create(struct vmw_resource *res)
 		goto out_no_fifo;
 	}
 
-	if (has_sm4_1_context(dev_priv) && srf->array_size > 0) {
+	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);
@@ -1412,6 +1418,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
 		.no_wait_gpu = false
 	};
 	struct vmw_surface *srf;
+	struct vmw_surface_metadata *metadata;
 	int ret;
 	u32 num_layers = 1;
 	u32 sample_count = 1;
@@ -1473,36 +1480,37 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
 	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;
+	metadata = &srf->metadata;
+	metadata->flags = svga3d_flags;
+	metadata->format = format;
+	metadata->scanout = for_scanout;
+	metadata->mip_levels[0] = num_mip_levels;
+	metadata->num_sizes = 1;
+	metadata->sizes = NULL;
+	srf->offsets = NULL;
+	metadata->base_size = size;
+	metadata->autogen_filter = SVGA3D_TEX_FILTER_NONE;
+	metadata->array_size = array_size;
+	metadata->multisample_count = multisample_count;
+	metadata->multisample_pattern = multisample_pattern;
+	metadata->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;
+	if (metadata->flags & SVGA3D_SURFACE_MULTISAMPLE)
+		sample_count = metadata->multisample_count;
 
-	srf->res.backup_size   =
-		svga3dsurface_get_serialized_size_extended(srf->format,
-							   srf->base_size,
-							   srf->mip_levels[0],
+	srf->res.backup_size =
+		svga3dsurface_get_serialized_size_extended(metadata->format,
+							   metadata->base_size,
+							   metadata->mip_levels[0],
 							   num_layers,
 							   sample_count);
 
-	if (srf->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT)
+	if (metadata->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT)
 		srf->res.backup_size += sizeof(SVGA3dDXSOState);
 
 	/*
@@ -1516,7 +1524,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
 	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;
+		metadata->flags |= SVGA3D_SURFACE_SCREENTARGET;
 
 	/*
 	 * From this point, the generic resource management functions
@@ -1762,6 +1770,7 @@ 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 +1786,7 @@ 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 +1800,15 @@ 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 +1818,9 @@ 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 +1978,7 @@ 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 +2068,7 @@ 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 +2081,12 @@ 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 +2107,10 @@ 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;
 
-- 
2.17.1

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