@@ -1,6 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**********************************************************
- * Copyright 2021 VMware, Inc.
- * SPDX-License-Identifier: GPL-2.0 OR MIT
+ *
+ * Copyright (c) 2021-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
@@ -31,6 +33,10 @@
#include <drm/vmwgfx_drm.h>
+#define SVGA3D_FLAGS_UPPER_32(svga3d_flags) ((svga3d_flags) >> 32)
+#define SVGA3D_FLAGS_LOWER_32(svga3d_flags) \
+ ((svga3d_flags) & ((uint64_t)U32_MAX))
+
static inline u32 clamped_umul32(u32 a, u32 b)
{
uint64_t tmp = (uint64_t) a*b;
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright © 2011-2023 VMware, Inc., Palo Alto, CA., USA
- * All Rights Reserved.
+ * Copyright (c) 2011-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -28,15 +28,39 @@
#include "vmwgfx_bo.h"
#include "vmwgfx_drv.h"
-
+#include "vmwgfx_resource_priv.h"
#include <drm/ttm/ttm_placement.h>
static void vmw_bo_release(struct vmw_bo *vbo)
{
+ struct vmw_resource *res;
+
WARN_ON(vbo->tbo.base.funcs &&
kref_read(&vbo->tbo.base.refcount) != 0);
vmw_bo_unmap(vbo);
+
+ xa_destroy(&vbo->detached_resources);
+ WARN_ON(vbo->is_dumb && !vbo->dumb_surface);
+ if (vbo->is_dumb && vbo->dumb_surface) {
+ res = &vbo->dumb_surface->res;
+ WARN_ON(vbo != res->guest_memory_bo);
+ WARN_ON(!res->guest_memory_bo);
+ if (res->guest_memory_bo) {
+ /* Reserve and switch the backing mob. */
+ mutex_lock(&res->dev_priv->cmdbuf_mutex);
+ (void)vmw_resource_reserve(res, false, true);
+ vmw_resource_mob_detach(res);
+ if (res->coherent)
+ vmw_bo_dirty_release(res->guest_memory_bo);
+ res->guest_memory_bo = NULL;
+ res->guest_memory_offset = 0;
+ vmw_resource_unreserve(res, false, false, false, NULL,
+ 0);
+ mutex_unlock(&res->dev_priv->cmdbuf_mutex);
+ }
+ vmw_surface_unreference(&vbo->dumb_surface);
+ }
drm_gem_object_release(&vbo->tbo.base);
}
@@ -324,6 +348,11 @@ void vmw_bo_pin_reserved(struct vmw_bo *vbo, bool pin)
*
*/
void *vmw_bo_map_and_cache(struct vmw_bo *vbo)
+{
+ return vmw_bo_map_and_cache_size(vbo, vbo->tbo.base.size);
+}
+
+void *vmw_bo_map_and_cache_size(struct vmw_bo *vbo, size_t size)
{
struct ttm_buffer_object *bo = &vbo->tbo;
bool not_used;
@@ -334,9 +363,10 @@ void *vmw_bo_map_and_cache(struct vmw_bo *vbo)
if (virtual)
return virtual;
- ret = ttm_bo_kmap(bo, 0, PFN_UP(bo->base.size), &vbo->map);
+ ret = ttm_bo_kmap(bo, 0, PFN_UP(size), &vbo->map);
if (ret)
- DRM_ERROR("Buffer object map failed: %d.\n", ret);
+ DRM_ERROR("Buffer object map failed: %d (size: bo = %zu, map = %zu).\n",
+ ret, bo->base.size, size);
return ttm_kmap_obj_virtual(&vbo->map, ¬_used);
}
@@ -389,6 +419,7 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
BUILD_BUG_ON(TTM_MAX_BO_PRIORITY <= 3);
vmw_bo->tbo.priority = 3;
vmw_bo->res_tree = RB_ROOT;
+ xa_init(&vmw_bo->detached_resources);
params->size = ALIGN(params->size, PAGE_SIZE);
drm_gem_private_object_init(vdev, &vmw_bo->tbo.base, params->size);
@@ -653,52 +684,6 @@ void vmw_bo_fence_single(struct ttm_buffer_object *bo,
dma_fence_put(&fence->base);
}
-
-/**
- * vmw_dumb_create - Create a dumb kms buffer
- *
- * @file_priv: Pointer to a struct drm_file identifying the caller.
- * @dev: Pointer to the drm device.
- * @args: Pointer to a struct drm_mode_create_dumb structure
- * Return: Zero on success, negative error code on failure.
- *
- * This is a driver callback for the core drm create_dumb functionality.
- * Note that this is very similar to the vmw_bo_alloc ioctl, except
- * that the arguments have a different format.
- */
-int vmw_dumb_create(struct drm_file *file_priv,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args)
-{
- struct vmw_private *dev_priv = vmw_priv(dev);
- struct vmw_bo *vbo;
- int cpp = DIV_ROUND_UP(args->bpp, 8);
- int ret;
-
- switch (cpp) {
- case 1: /* DRM_FORMAT_C8 */
- case 2: /* DRM_FORMAT_RGB565 */
- case 4: /* DRM_FORMAT_XRGB8888 */
- break;
- default:
- /*
- * Dumb buffers don't allow anything else.
- * This is tested via IGT's dumb_buffers
- */
- return -EINVAL;
- }
-
- args->pitch = args->width * cpp;
- args->size = ALIGN(args->pitch * args->height, PAGE_SIZE);
-
- ret = vmw_gem_object_create_with_handle(dev_priv, file_priv,
- args->size, &args->handle,
- &vbo);
- /* drop reference from allocate - handle holds it now */
- drm_gem_object_put(&vbo->tbo.base);
- return ret;
-}
-
/**
* vmw_bo_swap_notify - swapout notify callback.
*
@@ -852,3 +837,43 @@ void vmw_bo_placement_set_default_accelerated(struct vmw_bo *bo)
vmw_bo_placement_set(bo, domain, domain);
}
+
+void vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res)
+{
+ xa_store(&vbo->detached_resources, (unsigned long)res, res, GFP_KERNEL);
+}
+
+void vmw_bo_del_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res)
+{
+ xa_erase(&vbo->detached_resources, (unsigned long)res);
+}
+
+struct vmw_surface *vmw_bo_surface(struct vmw_bo *vbo)
+{
+ unsigned long index;
+ struct vmw_resource *res = NULL;
+ struct vmw_surface *surf = NULL;
+ struct rb_node *rb_itr = vbo->res_tree.rb_node;
+
+ if (vbo->is_dumb && vbo->dumb_surface) {
+ res = &vbo->dumb_surface->res;
+ goto out;
+ }
+
+ xa_for_each(&vbo->detached_resources, index, res) {
+ if (res->func->res_type == vmw_res_surface)
+ goto out;
+ }
+
+ for (rb_itr = rb_first(&vbo->res_tree); rb_itr;
+ rb_itr = rb_next(rb_itr)) {
+ res = rb_entry(rb_itr, struct vmw_resource, mob_node);
+ if (res->func->res_type == vmw_res_surface)
+ goto out;
+ }
+
+out:
+ if (res)
+ surf = vmw_res_to_srf(res);
+ return surf;
+}
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
*
- * Copyright 2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2023-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -35,11 +36,13 @@
#include <linux/rbtree_types.h>
#include <linux/types.h>
+#include <linux/xarray.h>
struct vmw_bo_dirty;
struct vmw_fence_obj;
struct vmw_private;
struct vmw_resource;
+struct vmw_surface;
enum vmw_bo_domain {
VMW_BO_DOMAIN_SYS = BIT(0),
@@ -85,11 +88,15 @@ struct vmw_bo {
struct rb_root res_tree;
u32 res_prios[TTM_MAX_BO_PRIORITY];
+ struct xarray detached_resources;
atomic_t cpu_writers;
/* Not ref-counted. Protected by binding_mutex */
struct vmw_resource *dx_query_ctx;
struct vmw_bo_dirty *dirty;
+
+ bool is_dumb;
+ struct vmw_surface *dumb_surface;
};
void vmw_bo_placement_set(struct vmw_bo *bo, u32 domain, u32 busy_domain);
@@ -124,15 +131,21 @@ void vmw_bo_fence_single(struct ttm_buffer_object *bo,
struct vmw_fence_obj *fence);
void *vmw_bo_map_and_cache(struct vmw_bo *vbo);
+void *vmw_bo_map_and_cache_size(struct vmw_bo *vbo, size_t size);
void vmw_bo_unmap(struct vmw_bo *vbo);
void vmw_bo_move_notify(struct ttm_buffer_object *bo,
struct ttm_resource *mem);
void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
+void vmw_bo_add_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res);
+void vmw_bo_del_detached_resource(struct vmw_bo *vbo, struct vmw_resource *res);
+struct vmw_surface *vmw_bo_surface(struct vmw_bo *vbo);
+
int vmw_user_bo_lookup(struct drm_file *filp,
u32 handle,
struct vmw_bo **out);
+
/**
* vmw_bo_adjust_prio - Adjust the buffer object eviction priority
* according to attached resources
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -762,6 +763,26 @@ extern int vmw_gmr_bind(struct vmw_private *dev_priv,
int gmr_id);
extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
+/**
+ * User handles
+ */
+struct vmw_user_object {
+ struct vmw_surface *surface;
+ struct vmw_bo *buffer;
+};
+
+int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp,
+ u32 handle, struct vmw_user_object *uo);
+struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo);
+void vmw_user_object_unref(struct vmw_user_object *uo);
+bool vmw_user_object_is_null(struct vmw_user_object *uo);
+struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo);
+struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo);
+void *vmw_user_object_map(struct vmw_user_object *uo);
+void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size);
+void vmw_user_object_unmap(struct vmw_user_object *uo);
+bool vmw_user_object_is_mapped(struct vmw_user_object *uo);
+
/**
* Resource utilities - vmwgfx_resource.c
*/
@@ -776,11 +797,6 @@ extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
bool no_backup);
extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
-extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
- struct drm_file *filp,
- uint32_t handle,
- struct vmw_surface **out_surf,
- struct vmw_bo **out_buf);
extern int vmw_user_resource_lookup_handle(
struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
@@ -1060,9 +1076,6 @@ int vmw_kms_suspend(struct drm_device *dev);
int vmw_kms_resume(struct drm_device *dev);
void vmw_kms_lost_device(struct drm_device *dev);
-int vmw_dumb_create(struct drm_file *file_priv,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args);
extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
extern void vmw_resource_unpin(struct vmw_resource *res);
extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
@@ -1179,6 +1192,15 @@ extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
int vmw_gb_surface_define(struct vmw_private *dev_priv,
const struct vmw_surface_metadata *req,
struct vmw_surface **srf_out);
+struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw,
+ struct vmw_bo *bo,
+ u32 handle);
+u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw,
+ struct vmw_bo *bo,
+ u32 handle);
+int vmw_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
/*
* Shader management - vmwgfx_shader.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -193,13 +194,12 @@ static u32 vmw_du_cursor_mob_size(u32 w, u32 h)
*/
static u32 *vmw_du_cursor_plane_acquire_image(struct vmw_plane_state *vps)
{
- if (vps->surf) {
- if (vps->surf_mapped)
- return vmw_bo_map_and_cache(vps->surf->res.guest_memory_bo);
- return vps->surf->snooper.image;
- } else if (vps->bo)
- return vmw_bo_map_and_cache(vps->bo);
- return NULL;
+ struct vmw_surface *surf = vmw_user_object_surface(&vps->uo);
+
+ if (surf && !vmw_user_object_is_mapped(&vps->uo))
+ return surf->snooper.image;
+
+ return vmw_user_object_map(&vps->uo);
}
static bool vmw_du_cursor_plane_has_changed(struct vmw_plane_state *old_vps,
@@ -536,22 +536,16 @@ void vmw_du_primary_plane_destroy(struct drm_plane *plane)
* vmw_du_plane_unpin_surf - unpins resource associated with a framebuffer surface
*
* @vps: plane state associated with the display surface
- * @unreference: true if we also want to unreference the display.
*/
-void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps,
- bool unreference)
+void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps)
{
- if (vps->surf) {
+ struct vmw_surface *surf = vmw_user_object_surface(&vps->uo);
+
+ if (surf) {
if (vps->pinned) {
- vmw_resource_unpin(&vps->surf->res);
+ vmw_resource_unpin(&surf->res);
vps->pinned--;
}
-
- if (unreference) {
- if (vps->pinned)
- DRM_ERROR("Surface still pinned\n");
- vmw_surface_unreference(&vps->surf);
- }
}
}
@@ -572,7 +566,7 @@ vmw_du_plane_cleanup_fb(struct drm_plane *plane,
{
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
- vmw_du_plane_unpin_surf(vps, false);
+ vmw_du_plane_unpin_surf(vps);
}
@@ -661,25 +655,14 @@ vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane,
struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
- if (vps->surf_mapped) {
- vmw_bo_unmap(vps->surf->res.guest_memory_bo);
- vps->surf_mapped = false;
- }
+ if (!vmw_user_object_is_null(&vps->uo))
+ vmw_user_object_unmap(&vps->uo);
vmw_du_cursor_plane_unmap_cm(vps);
vmw_du_put_cursor_mob(vcp, vps);
- vmw_du_plane_unpin_surf(vps, false);
-
- if (vps->surf) {
- vmw_surface_unreference(&vps->surf);
- vps->surf = NULL;
- }
-
- if (vps->bo) {
- vmw_bo_unreference(&vps->bo);
- vps->bo = NULL;
- }
+ vmw_du_plane_unpin_surf(vps);
+ vmw_user_object_unref(&vps->uo);
}
@@ -698,64 +681,41 @@ vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane,
struct drm_framebuffer *fb = new_state->fb;
struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
+ struct vmw_bo *bo = NULL;
int ret = 0;
- if (vps->surf) {
- if (vps->surf_mapped) {
- vmw_bo_unmap(vps->surf->res.guest_memory_bo);
- vps->surf_mapped = false;
- }
- vmw_surface_unreference(&vps->surf);
- vps->surf = NULL;
- }
-
- if (vps->bo) {
- vmw_bo_unreference(&vps->bo);
- vps->bo = NULL;
+ if (!vmw_user_object_is_null(&vps->uo)) {
+ vmw_user_object_unmap(&vps->uo);
+ vmw_user_object_unref(&vps->uo);
}
if (fb) {
if (vmw_framebuffer_to_vfb(fb)->bo) {
- vps->bo = vmw_framebuffer_to_vfbd(fb)->buffer;
- vmw_bo_reference(vps->bo);
+ vps->uo.buffer = vmw_framebuffer_to_vfbd(fb)->buffer;
+ vps->uo.surface = NULL;
} else {
- vps->surf = vmw_framebuffer_to_vfbs(fb)->surface;
- vmw_surface_reference(vps->surf);
+ memcpy(&vps->uo, &vmw_framebuffer_to_vfbs(fb)->uo, sizeof(vps->uo));
}
+ vmw_user_object_ref(&vps->uo);
}
- if (!vps->surf && vps->bo) {
- const u32 size = new_state->crtc_w * new_state->crtc_h * sizeof(u32);
-
- /*
- * Not using vmw_bo_map_and_cache() helper here as we need to
- * reserve the ttm_buffer_object first which
- * vmw_bo_map_and_cache() omits.
- */
- ret = ttm_bo_reserve(&vps->bo->tbo, true, false, NULL);
-
+ bo = vmw_user_object_buffer(&vps->uo);
+ if (bo) {
+ ret = ttm_bo_reserve(&bo->tbo, true, false, NULL);
if (unlikely(ret != 0))
return -ENOMEM;
- ret = ttm_bo_kmap(&vps->bo->tbo, 0, PFN_UP(size), &vps->bo->map);
-
- ttm_bo_unreserve(&vps->bo->tbo);
-
- if (unlikely(ret != 0))
- return -ENOMEM;
- } else if (vps->surf && !vps->bo && vps->surf->res.guest_memory_bo) {
+ if (vmw_framebuffer_to_vfb(fb)->bo) {
+ const u32 size = new_state->crtc_w * new_state->crtc_h * sizeof(u32);
- WARN_ON(vps->surf->snooper.image);
- ret = ttm_bo_reserve(&vps->surf->res.guest_memory_bo->tbo, true, false,
- NULL);
- if (unlikely(ret != 0))
- return -ENOMEM;
- vmw_bo_map_and_cache(vps->surf->res.guest_memory_bo);
- ttm_bo_unreserve(&vps->surf->res.guest_memory_bo->tbo);
- vps->surf_mapped = true;
+ (void)vmw_bo_map_and_cache_size(bo, size);
+ } else {
+ vmw_bo_map_and_cache(bo);
+ }
+ ttm_bo_unreserve(&bo->tbo);
}
- if (vps->surf || vps->bo) {
+ if (!vmw_user_object_is_null(&vps->uo)) {
vmw_du_get_cursor_mob(vcp, vps);
vmw_du_cursor_plane_map_cm(vps);
}
@@ -782,9 +742,9 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
hotspot_x = du->hotspot_x + new_state->hotspot_x;
hotspot_y = du->hotspot_y + new_state->hotspot_y;
- du->cursor_surface = vps->surf;
+ du->cursor_surface = vmw_user_object_surface(&vps->uo);
- if (!vps->surf && !vps->bo) {
+ if (vmw_user_object_is_null(&vps->uo)) {
vmw_cursor_update_position(dev_priv, false, 0, 0);
return;
}
@@ -792,9 +752,8 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
vps->cursor.hotspot_x = hotspot_x;
vps->cursor.hotspot_y = hotspot_y;
- if (vps->surf) {
+ if (du->cursor_surface)
du->cursor_age = du->cursor_surface->snooper.age;
- }
if (!vmw_du_cursor_plane_has_changed(old_vps, vps)) {
/*
@@ -913,7 +872,7 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
}
if (!vmw_framebuffer_to_vfb(fb)->bo) {
- surface = vmw_framebuffer_to_vfbs(fb)->surface;
+ surface = vmw_user_object_surface(&vmw_framebuffer_to_vfbs(fb)->uo);
WARN_ON(!surface);
@@ -1074,11 +1033,7 @@ vmw_du_plane_duplicate_state(struct drm_plane *plane)
memset(&vps->cursor, 0, sizeof(vps->cursor));
/* Each ref counted resource needs to be acquired again */
- if (vps->surf)
- (void) vmw_surface_reference(vps->surf);
-
- if (vps->bo)
- (void) vmw_bo_reference(vps->bo);
+ vmw_user_object_ref(&vps->uo);
state = &vps->base;
@@ -1128,11 +1083,7 @@ vmw_du_plane_destroy_state(struct drm_plane *plane,
struct vmw_plane_state *vps = vmw_plane_state_to_vps(state);
/* Should have been freed by cleanup_fb */
- if (vps->surf)
- vmw_surface_unreference(&vps->surf);
-
- if (vps->bo)
- vmw_bo_unreference(&vps->bo);
+ vmw_user_object_unref(&vps->uo);
drm_atomic_helper_plane_destroy_state(plane, state);
}
@@ -1227,7 +1178,7 @@ static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
vmw_framebuffer_to_vfbs(framebuffer);
drm_framebuffer_cleanup(framebuffer);
- vmw_surface_unreference(&vfbs->surface);
+ vmw_user_object_unref(&vfbs->uo);
kfree(vfbs);
}
@@ -1272,29 +1223,41 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
return -ENOSYS;
}
+static int vmw_framebuffer_surface_create_handle(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int *handle)
+{
+ struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(fb);
+ struct vmw_bo *bo = vmw_user_object_buffer(&vfbs->uo);
+
+ return drm_gem_handle_create(file_priv, &bo->tbo.base, handle);
+}
static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
+ .create_handle = vmw_framebuffer_surface_create_handle,
.destroy = vmw_framebuffer_surface_destroy,
.dirty = drm_atomic_helper_dirtyfb,
};
static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
- struct vmw_surface *surface,
+ struct vmw_user_object *uo,
struct vmw_framebuffer **out,
const struct drm_mode_fb_cmd2
- *mode_cmd,
- bool is_bo_proxy)
+ *mode_cmd)
{
struct drm_device *dev = &dev_priv->drm;
struct vmw_framebuffer_surface *vfbs;
enum SVGA3dSurfaceFormat format;
+ struct vmw_surface *surface;
int ret;
/* 3D is only supported on HWv8 and newer hosts */
if (dev_priv->active_display_unit == vmw_du_legacy)
return -ENOSYS;
+ surface = vmw_user_object_surface(uo);
+
/*
* Sanity checks.
*/
@@ -1357,8 +1320,8 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
}
drm_helper_mode_fill_fb_struct(dev, &vfbs->base.base, mode_cmd);
- vfbs->surface = vmw_surface_reference(surface);
- vfbs->is_bo_proxy = is_bo_proxy;
+ memcpy(&vfbs->uo, uo, sizeof(vfbs->uo));
+ vmw_user_object_ref(&vfbs->uo);
*out = &vfbs->base;
@@ -1370,7 +1333,7 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
return 0;
out_err2:
- vmw_surface_unreference(&surface);
+ vmw_user_object_unref(&vfbs->uo);
kfree(vfbs);
out_err1:
return ret;
@@ -1386,7 +1349,6 @@ static int vmw_framebuffer_bo_create_handle(struct drm_framebuffer *fb,
{
struct vmw_framebuffer_bo *vfbd =
vmw_framebuffer_to_vfbd(fb);
-
return drm_gem_handle_create(file_priv, &vfbd->buffer->tbo.base, handle);
}
@@ -1407,86 +1369,6 @@ static const struct drm_framebuffer_funcs vmw_framebuffer_bo_funcs = {
.dirty = drm_atomic_helper_dirtyfb,
};
-/**
- * vmw_create_bo_proxy - create a proxy surface for the buffer object
- *
- * @dev: DRM device
- * @mode_cmd: parameters for the new surface
- * @bo_mob: MOB backing the buffer object
- * @srf_out: newly created surface
- *
- * When the content FB is a buffer object, we create a surface as a proxy to the
- * same buffer. This way we can do a surface copy rather than a surface DMA.
- * This is a more efficient approach
- *
- * RETURNS:
- * 0 on success, error code otherwise
- */
-static int vmw_create_bo_proxy(struct drm_device *dev,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct vmw_bo *bo_mob,
- struct vmw_surface **srf_out)
-{
- struct vmw_surface_metadata metadata = {0};
- uint32_t format;
- struct vmw_resource *res;
- unsigned int bytes_pp;
- int ret;
-
- switch (mode_cmd->pixel_format) {
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XRGB8888:
- format = SVGA3D_X8R8G8B8;
- bytes_pp = 4;
- break;
-
- case DRM_FORMAT_RGB565:
- case DRM_FORMAT_XRGB1555:
- format = SVGA3D_R5G6B5;
- bytes_pp = 2;
- break;
-
- case 8:
- format = SVGA3D_P8;
- bytes_pp = 1;
- break;
-
- default:
- DRM_ERROR("Invalid framebuffer format %p4cc\n",
- &mode_cmd->pixel_format);
- return -EINVAL;
- }
-
- metadata.format = format;
- metadata.mip_levels[0] = 1;
- metadata.num_sizes = 1;
- metadata.base_size.width = mode_cmd->pitches[0] / bytes_pp;
- metadata.base_size.height = mode_cmd->height;
- metadata.base_size.depth = 1;
- metadata.scanout = true;
-
- ret = vmw_gb_surface_define(vmw_priv(dev), &metadata, srf_out);
- if (ret) {
- DRM_ERROR("Failed to allocate proxy content buffer\n");
- return ret;
- }
-
- res = &(*srf_out)->res;
-
- /* Reserve and switch the backing mob. */
- mutex_lock(&res->dev_priv->cmdbuf_mutex);
- (void) vmw_resource_reserve(res, false, true);
- vmw_user_bo_unref(&res->guest_memory_bo);
- res->guest_memory_bo = vmw_user_bo_ref(bo_mob);
- res->guest_memory_offset = 0;
- vmw_resource_unreserve(res, false, false, false, NULL, 0);
- mutex_unlock(&res->dev_priv->cmdbuf_mutex);
-
- return 0;
-}
-
-
-
static int vmw_kms_new_framebuffer_bo(struct vmw_private *dev_priv,
struct vmw_bo *bo,
struct vmw_framebuffer **out,
@@ -1565,55 +1447,24 @@ vmw_kms_srf_ok(struct vmw_private *dev_priv, uint32_t width, uint32_t height)
* vmw_kms_new_framebuffer - Create a new framebuffer.
*
* @dev_priv: Pointer to device private struct.
- * @bo: Pointer to buffer object to wrap the kms framebuffer around.
- * Either @bo or @surface must be NULL.
- * @surface: Pointer to a surface to wrap the kms framebuffer around.
- * Either @bo or @surface must be NULL.
- * @only_2d: No presents will occur to this buffer object based framebuffer.
- * This helps the code to do some important optimizations.
+ * @uo: Pointer to user object to wrap the kms framebuffer around.
+ * Either the buffer or surface inside the user object must be NULL.
* @mode_cmd: Frame-buffer metadata.
*/
struct vmw_framebuffer *
vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
- struct vmw_bo *bo,
- struct vmw_surface *surface,
- bool only_2d,
+ struct vmw_user_object *uo,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct vmw_framebuffer *vfb = NULL;
- bool is_bo_proxy = false;
int ret;
- /*
- * We cannot use the SurfaceDMA command in an non-accelerated VM,
- * therefore, wrap the buffer object in a surface so we can use the
- * SurfaceCopy command.
- */
- if (vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height) &&
- bo && only_2d &&
- mode_cmd->width > 64 && /* Don't create a proxy for cursor */
- dev_priv->active_display_unit == vmw_du_screen_target) {
- ret = vmw_create_bo_proxy(&dev_priv->drm, mode_cmd,
- bo, &surface);
- if (ret)
- return ERR_PTR(ret);
-
- is_bo_proxy = true;
- }
-
/* Create the new framebuffer depending one what we have */
- if (surface) {
- ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
- mode_cmd,
- is_bo_proxy);
- /*
- * vmw_create_bo_proxy() adds a reference that is no longer
- * needed
- */
- if (is_bo_proxy)
- vmw_surface_unreference(&surface);
- } else if (bo) {
- ret = vmw_kms_new_framebuffer_bo(dev_priv, bo, &vfb,
+ if (vmw_user_object_surface(uo)) {
+ ret = vmw_kms_new_framebuffer_surface(dev_priv, uo, &vfb,
+ mode_cmd);
+ } else if (uo->buffer) {
+ ret = vmw_kms_new_framebuffer_bo(dev_priv, uo->buffer, &vfb,
mode_cmd);
} else {
BUG();
@@ -1635,14 +1486,12 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_framebuffer *vfb = NULL;
- struct vmw_surface *surface = NULL;
- struct vmw_bo *bo = NULL;
+ struct vmw_user_object uo = {0};
int ret;
/* returns either a bo or surface */
- ret = vmw_user_lookup_handle(dev_priv, file_priv,
- mode_cmd->handles[0],
- &surface, &bo);
+ ret = vmw_user_object_lookup(dev_priv, file_priv, mode_cmd->handles[0],
+ &uo);
if (ret) {
DRM_ERROR("Invalid buffer object handle %u (0x%x).\n",
mode_cmd->handles[0], mode_cmd->handles[0]);
@@ -1650,7 +1499,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
}
- if (!bo &&
+ if (vmw_user_object_surface(&uo) &&
!vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height)) {
DRM_ERROR("Surface size cannot exceed %dx%d\n",
dev_priv->texture_max_width,
@@ -1659,20 +1508,15 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
}
- vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
- !(dev_priv->capabilities & SVGA_CAP_3D),
- mode_cmd);
+ vfb = vmw_kms_new_framebuffer(dev_priv, &uo, mode_cmd);
if (IS_ERR(vfb)) {
ret = PTR_ERR(vfb);
goto err_out;
}
err_out:
- /* vmw_user_lookup_handle takes one ref so does new_fb */
- if (bo)
- vmw_user_bo_unref(&bo);
- if (surface)
- vmw_surface_unreference(&surface);
+ /* vmw_user_object_lookup takes one ref so does new_fb */
+ vmw_user_object_unref(&uo);
if (ret) {
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
@@ -2585,72 +2429,6 @@ void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
vmw_fence_obj_unreference(&fence);
}
-/**
- * vmw_kms_update_proxy - Helper function to update a proxy surface from
- * its backing MOB.
- *
- * @res: Pointer to the surface resource
- * @clips: Clip rects in framebuffer (surface) space.
- * @num_clips: Number of clips in @clips.
- * @increment: Integer with which to increment the clip counter when looping.
- * Used to skip a predetermined number of clip rects.
- *
- * This function makes sure the proxy surface is updated from its backing MOB
- * using the region given by @clips. The surface resource @res and its backing
- * MOB needs to be reserved and validated on call.
- */
-int vmw_kms_update_proxy(struct vmw_resource *res,
- const struct drm_clip_rect *clips,
- unsigned num_clips,
- int increment)
-{
- struct vmw_private *dev_priv = res->dev_priv;
- struct drm_vmw_size *size = &vmw_res_to_srf(res)->metadata.base_size;
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdUpdateGBImage body;
- } *cmd;
- SVGA3dBox *box;
- size_t copy_size = 0;
- int i;
-
- if (!clips)
- return 0;
-
- cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd) * num_clips);
- if (!cmd)
- return -ENOMEM;
-
- for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
- box = &cmd->body.box;
-
- cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
- cmd->header.size = sizeof(cmd->body);
- cmd->body.image.sid = res->id;
- cmd->body.image.face = 0;
- cmd->body.image.mipmap = 0;
-
- if (clips->x1 > size->width || clips->x2 > size->width ||
- clips->y1 > size->height || clips->y2 > size->height) {
- DRM_ERROR("Invalid clips outsize of framebuffer.\n");
- return -EINVAL;
- }
-
- box->x = clips->x1;
- box->y = clips->y1;
- box->z = 0;
- box->w = clips->x2 - clips->x1;
- box->h = clips->y2 - clips->y1;
- box->d = 1;
-
- copy_size += sizeof(*cmd);
- }
-
- vmw_cmd_commit(dev_priv, copy_size);
-
- return 0;
-}
-
/**
* vmw_kms_create_implicit_placement_property - Set up the implicit placement
* property.
@@ -2785,8 +2563,9 @@ int vmw_du_helper_plane_update(struct vmw_du_update_plane *update)
} else {
struct vmw_framebuffer_surface *vfbs =
container_of(update->vfb, typeof(*vfbs), base);
+ struct vmw_surface *surf = vmw_user_object_surface(&vfbs->uo);
- ret = vmw_validation_add_resource(&val_ctx, &vfbs->surface->res,
+ ret = vmw_validation_add_resource(&val_ctx, &surf->res,
0, VMW_RES_DIRTY_NONE, NULL,
NULL);
}
@@ -2949,3 +2728,77 @@ int vmw_connector_get_modes(struct drm_connector *connector)
return num_modes;
}
+
+struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo)
+{
+ if (uo->buffer)
+ vmw_user_bo_ref(uo->buffer);
+ else if (uo->surface)
+ vmw_surface_reference(uo->surface);
+ return uo;
+}
+
+void vmw_user_object_unref(struct vmw_user_object *uo)
+{
+ if (uo->buffer)
+ vmw_user_bo_unref(&uo->buffer);
+ else if (uo->surface)
+ vmw_surface_unreference(&uo->surface);
+}
+
+struct vmw_bo *
+vmw_user_object_buffer(struct vmw_user_object *uo)
+{
+ if (uo->buffer)
+ return uo->buffer;
+ else if (uo->surface)
+ return uo->surface->res.guest_memory_bo;
+ return NULL;
+}
+
+struct vmw_surface *
+vmw_user_object_surface(struct vmw_user_object *uo)
+{
+ if (uo->buffer)
+ return uo->buffer->dumb_surface;
+ return uo->surface;
+}
+
+void *vmw_user_object_map(struct vmw_user_object *uo)
+{
+ struct vmw_bo *bo = vmw_user_object_buffer(uo);
+
+ WARN_ON(!bo);
+ return vmw_bo_map_and_cache(bo);
+}
+
+void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size)
+{
+ struct vmw_bo *bo = vmw_user_object_buffer(uo);
+
+ WARN_ON(!bo);
+ return vmw_bo_map_and_cache_size(bo, size);
+}
+
+void vmw_user_object_unmap(struct vmw_user_object *uo)
+{
+ struct vmw_bo *bo = vmw_user_object_buffer(uo);
+
+ WARN_ON(!bo);
+
+ vmw_bo_unmap(bo);
+}
+
+bool vmw_user_object_is_mapped(struct vmw_user_object *uo)
+{
+ struct vmw_bo *bo = vmw_user_object_buffer(uo);
+
+ WARN_ON(!bo);
+
+ return (bo && bo->map.bo);
+}
+
+bool vmw_user_object_is_null(struct vmw_user_object *uo)
+{
+ return !uo->buffer && !uo->surface;
+}
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -221,11 +222,9 @@ struct vmw_framebuffer {
struct vmw_framebuffer_surface {
struct vmw_framebuffer base;
- struct vmw_surface *surface;
- bool is_bo_proxy; /* true if this is proxy surface for DMA buf */
+ struct vmw_user_object uo;
};
-
struct vmw_framebuffer_bo {
struct vmw_framebuffer base;
struct vmw_bo *buffer;
@@ -277,8 +276,7 @@ struct vmw_cursor_plane_state {
*/
struct vmw_plane_state {
struct drm_plane_state base;
- struct vmw_surface *surf;
- struct vmw_bo *bo;
+ struct vmw_user_object uo;
int content_fb_type;
unsigned long bo_size;
@@ -457,9 +455,7 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
uint32_t num_clips);
struct vmw_framebuffer *
vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
- struct vmw_bo *bo,
- struct vmw_surface *surface,
- bool only_2d,
+ struct vmw_user_object *uo,
const struct drm_mode_fb_cmd2 *mode_cmd);
void vmw_guess_mode_timing(struct drm_display_mode *mode);
void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv);
@@ -486,8 +482,7 @@ void vmw_du_plane_reset(struct drm_plane *plane);
struct drm_plane_state *vmw_du_plane_duplicate_state(struct drm_plane *plane);
void vmw_du_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state);
-void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps,
- bool unreference);
+void vmw_du_plane_unpin_surf(struct vmw_plane_state *vps);
int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state);
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -147,8 +148,9 @@ static int vmw_ldu_fb_pin(struct vmw_framebuffer *vfb)
struct vmw_bo *buf;
int ret;
- buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
- vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
+ buf = vfb->bo ?
+ vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
+ vmw_user_object_buffer(&vmw_framebuffer_to_vfbs(&vfb->base)->uo);
if (!buf)
return 0;
@@ -169,8 +171,10 @@ static int vmw_ldu_fb_unpin(struct vmw_framebuffer *vfb)
struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
struct vmw_bo *buf;
- buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
- vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
+ buf = vfb->bo ?
+ vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
+ vmw_user_object_buffer(&vmw_framebuffer_to_vfbs(&vfb->base)->uo);
+
if (WARN_ON(!buf))
return 0;
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2013 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2013-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -31,6 +32,7 @@
*/
#include "vmwgfx_drv.h"
+#include "vmwgfx_bo.h"
#include "ttm_object.h"
#include <linux/dma-buf.h>
@@ -88,13 +90,35 @@ int vmw_prime_handle_to_fd(struct drm_device *dev,
uint32_t handle, uint32_t flags,
int *prime_fd)
{
+ struct vmw_private *vmw = vmw_priv(dev);
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_bo *vbo;
int ret;
+ int surf_handle;
- if (handle > VMWGFX_NUM_MOB)
+ if (handle > VMWGFX_NUM_MOB) {
ret = ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
- else
- ret = drm_gem_prime_handle_to_fd(dev, file_priv, handle, flags, prime_fd);
+ } else {
+ ret = vmw_user_bo_lookup(file_priv, handle, &vbo);
+ if (ret)
+ return ret;
+ if (vbo && vbo->is_dumb) {
+ ret = drm_gem_prime_handle_to_fd(dev, file_priv, handle,
+ flags, prime_fd);
+ } else {
+ surf_handle = vmw_lookup_surface_handle_for_buffer(vmw,
+ vbo,
+ handle);
+ if (surf_handle > 0)
+ ret = ttm_prime_handle_to_fd(tfile, surf_handle,
+ flags, prime_fd);
+ else
+ ret = drm_gem_prime_handle_to_fd(dev, file_priv,
+ handle, flags,
+ prime_fd);
+ }
+ vmw_user_bo_unref(&vbo);
+ }
return ret;
}
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -58,6 +59,7 @@ void vmw_resource_mob_attach(struct vmw_resource *res)
rb_link_node(&res->mob_node, parent, new);
rb_insert_color(&res->mob_node, &gbo->res_tree);
+ vmw_bo_del_detached_resource(gbo, res);
vmw_bo_prio_add(gbo, res->used_prio);
}
@@ -287,28 +289,35 @@ int vmw_user_resource_lookup_handle(struct vmw_private *dev_priv,
*
* The pointer this pointed at by out_surf and out_buf needs to be null.
*/
-int vmw_user_lookup_handle(struct vmw_private *dev_priv,
+int vmw_user_object_lookup(struct vmw_private *dev_priv,
struct drm_file *filp,
- uint32_t handle,
- struct vmw_surface **out_surf,
- struct vmw_bo **out_buf)
+ u32 handle,
+ struct vmw_user_object *uo)
{
struct ttm_object_file *tfile = vmw_fpriv(filp)->tfile;
struct vmw_resource *res;
int ret;
- BUG_ON(*out_surf || *out_buf);
+ WARN_ON(uo->surface || uo->buffer);
ret = vmw_user_resource_lookup_handle(dev_priv, tfile, handle,
user_surface_converter,
&res);
if (!ret) {
- *out_surf = vmw_res_to_srf(res);
+ uo->surface = vmw_res_to_srf(res);
return 0;
}
- *out_surf = NULL;
- ret = vmw_user_bo_lookup(filp, handle, out_buf);
+ uo->surface = NULL;
+ ret = vmw_user_bo_lookup(filp, handle, &uo->buffer);
+ if (!ret && !uo->buffer->is_dumb) {
+ uo->surface = vmw_lookup_surface_for_buffer(dev_priv,
+ uo->buffer,
+ handle);
+ if (uo->surface)
+ vmw_user_bo_unref(&uo->buffer);
+ }
+
return ret;
}
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2011-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2011-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -240,7 +241,7 @@ static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc)
struct vmw_connector_state *vmw_conn_state;
int x, y;
- sou->buffer = vps->bo;
+ sou->buffer = vmw_user_object_buffer(&vps->uo);
conn_state = sou->base.connector.state;
vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
@@ -376,10 +377,11 @@ vmw_sou_primary_plane_cleanup_fb(struct drm_plane *plane,
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
struct drm_crtc *crtc = plane->state->crtc ?
plane->state->crtc : old_state->crtc;
+ struct vmw_bo *bo = vmw_user_object_buffer(&vps->uo);
- if (vps->bo)
- vmw_bo_unpin(vmw_priv(crtc->dev), vps->bo, false);
- vmw_bo_unreference(&vps->bo);
+ if (bo)
+ vmw_bo_unpin(vmw_priv(crtc->dev), bo, false);
+ vmw_user_object_unref(&vps->uo);
vps->bo_size = 0;
vmw_du_plane_cleanup_fb(plane, old_state);
@@ -411,9 +413,10 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
.bo_type = ttm_bo_type_device,
.pin = true
};
+ struct vmw_bo *bo = NULL;
if (!new_fb) {
- vmw_bo_unreference(&vps->bo);
+ vmw_user_object_unref(&vps->uo);
vps->bo_size = 0;
return 0;
@@ -422,17 +425,17 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
bo_params.size = new_state->crtc_w * new_state->crtc_h * 4;
dev_priv = vmw_priv(crtc->dev);
- if (vps->bo) {
+ bo = vmw_user_object_buffer(&vps->uo);
+ if (bo) {
if (vps->bo_size == bo_params.size) {
/*
* Note that this might temporarily up the pin-count
* to 2, until cleanup_fb() is called.
*/
- return vmw_bo_pin_in_vram(dev_priv, vps->bo,
- true);
+ return vmw_bo_pin_in_vram(dev_priv, bo, true);
}
- vmw_bo_unreference(&vps->bo);
+ vmw_user_object_unref(&vps->uo);
vps->bo_size = 0;
}
@@ -442,7 +445,7 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
* resume the overlays, this is preferred to failing to alloc.
*/
vmw_overlay_pause_all(dev_priv);
- ret = vmw_bo_create(dev_priv, &bo_params, &vps->bo);
+ ret = vmw_gem_object_create(dev_priv, &bo_params, &vps->uo.buffer);
vmw_overlay_resume_all(dev_priv);
if (ret)
return ret;
@@ -453,7 +456,7 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
* TTM already thinks the buffer is pinned, but make sure the
* pin_count is upped.
*/
- return vmw_bo_pin_in_vram(dev_priv, vps->bo, true);
+ return vmw_bo_pin_in_vram(dev_priv, vps->uo.buffer, true);
}
static uint32_t vmw_sou_bo_fifo_size(struct vmw_du_update_plane *update,
@@ -580,6 +583,7 @@ static uint32_t vmw_sou_surface_pre_clip(struct vmw_du_update_plane *update,
{
struct vmw_kms_sou_dirty_cmd *blit = cmd;
struct vmw_framebuffer_surface *vfbs;
+ struct vmw_surface *surf = NULL;
vfbs = container_of(update->vfb, typeof(*vfbs), base);
@@ -587,7 +591,8 @@ static uint32_t vmw_sou_surface_pre_clip(struct vmw_du_update_plane *update,
blit->header.size = sizeof(blit->body) + sizeof(SVGASignedRect) *
num_hits;
- blit->body.srcImage.sid = vfbs->surface->res.id;
+ surf = vmw_user_object_surface(&vfbs->uo);
+ blit->body.srcImage.sid = surf->res.id;
blit->body.destScreenId = update->du->unit;
/* Update the source and destination bounding box later in post_clip */
@@ -1104,7 +1109,7 @@ int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
int ret;
if (!srf)
- srf = &vfbs->surface->res;
+ srf = &vmw_user_object_surface(&vfbs->uo)->res;
ret = vmw_validation_add_resource(&val_ctx, srf, 0, VMW_RES_DIRTY_NONE,
NULL, NULL);
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/******************************************************************************
*
- * COPYRIGHT (C) 2014-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2014-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -29,6 +30,7 @@
#include "vmwgfx_kms.h"
#include "vmwgfx_vkms.h"
#include "vmw_surface_cache.h"
+#include <linux/fsnotify.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
@@ -723,7 +725,7 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
int ret;
if (!srf)
- srf = &vfbs->surface->res;
+ srf = &vmw_user_object_surface(&vfbs->uo)->res;
ret = vmw_validation_add_resource(&val_ctx, srf, 0, VMW_RES_DIRTY_NONE,
NULL, NULL);
@@ -734,12 +736,6 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
if (ret)
goto out_unref;
- if (vfbs->is_bo_proxy) {
- ret = vmw_kms_update_proxy(srf, clips, num_clips, inc);
- if (ret)
- goto out_finish;
- }
-
sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit;
sdirty.base.clip = vmw_kms_stdu_surface_clip;
sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) +
@@ -753,7 +749,7 @@ int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips,
dest_x, dest_y, num_clips, inc,
&sdirty.base);
-out_finish:
+
vmw_kms_helper_validation_finish(dev_priv, NULL, &val_ctx, out_fence,
NULL);
@@ -872,9 +868,8 @@ vmw_stdu_primary_plane_cleanup_fb(struct drm_plane *plane,
{
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
- if (vps->surf)
+ if (vmw_user_object_surface(&vps->uo))
WARN_ON(!vps->pinned);
-
vmw_du_plane_cleanup_fb(plane, old_state);
vps->content_fb_type = SAME_AS_DISPLAY;
@@ -882,7 +877,6 @@ vmw_stdu_primary_plane_cleanup_fb(struct drm_plane *plane,
}
-
/**
* vmw_stdu_primary_plane_prepare_fb - Readies the display surface
*
@@ -906,13 +900,15 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
enum stdu_content_type new_content_type;
struct vmw_framebuffer_surface *new_vfbs;
uint32_t hdisplay = new_state->crtc_w, vdisplay = new_state->crtc_h;
+ struct drm_plane_state *old_state = plane->state;
+ struct drm_rect rect;
int ret;
/* No FB to prepare */
if (!new_fb) {
- if (vps->surf) {
+ if (vmw_user_object_surface(&vps->uo)) {
WARN_ON(vps->pinned != 0);
- vmw_surface_unreference(&vps->surf);
+ vmw_user_object_unref(&vps->uo);
}
return 0;
@@ -922,8 +918,8 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
new_vfbs = (vfb->bo) ? NULL : vmw_framebuffer_to_vfbs(new_fb);
if (new_vfbs &&
- new_vfbs->surface->metadata.base_size.width == hdisplay &&
- new_vfbs->surface->metadata.base_size.height == vdisplay)
+ vmw_user_object_surface(&new_vfbs->uo)->metadata.base_size.width == hdisplay &&
+ vmw_user_object_surface(&new_vfbs->uo)->metadata.base_size.height == vdisplay)
new_content_type = SAME_AS_DISPLAY;
else if (vfb->bo)
new_content_type = SEPARATE_BO;
@@ -961,29 +957,29 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
metadata.num_sizes = 1;
metadata.scanout = true;
} else {
- metadata = new_vfbs->surface->metadata;
+ metadata = vmw_user_object_surface(&new_vfbs->uo)->metadata;
}
metadata.base_size.width = hdisplay;
metadata.base_size.height = vdisplay;
metadata.base_size.depth = 1;
- if (vps->surf) {
+ if (vmw_user_object_surface(&vps->uo)) {
struct drm_vmw_size cur_base_size =
- vps->surf->metadata.base_size;
+ vmw_user_object_surface(&vps->uo)->metadata.base_size;
if (cur_base_size.width != metadata.base_size.width ||
cur_base_size.height != metadata.base_size.height ||
- vps->surf->metadata.format != metadata.format) {
+ vmw_user_object_surface(&vps->uo)->metadata.format != metadata.format) {
WARN_ON(vps->pinned != 0);
- vmw_surface_unreference(&vps->surf);
+ vmw_user_object_unref(&vps->uo);
}
}
- if (!vps->surf) {
+ if (!vmw_user_object_surface(&vps->uo)) {
ret = vmw_gb_surface_define(dev_priv, &metadata,
- &vps->surf);
+ &vps->uo.surface);
if (ret != 0) {
DRM_ERROR("Couldn't allocate STDU surface.\n");
return ret;
@@ -996,18 +992,19 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
* The only time we add a reference in prepare_fb is if the
* state object doesn't have a reference to begin with
*/
- if (vps->surf) {
+ if (vmw_user_object_surface(&vps->uo)) {
WARN_ON(vps->pinned != 0);
- vmw_surface_unreference(&vps->surf);
+ vmw_user_object_unref(&vps->uo);
}
- vps->surf = vmw_surface_reference(new_vfbs->surface);
+ memcpy(&vps->uo, &new_vfbs->uo, sizeof(vps->uo));
+ vmw_user_object_ref(&vps->uo);
}
- if (vps->surf) {
+ if (vmw_user_object_surface(&vps->uo)) {
/* Pin new surface before flipping */
- ret = vmw_resource_pin(&vps->surf->res, false);
+ ret = vmw_resource_pin(&vmw_user_object_surface(&vps->uo)->res, false);
if (ret)
goto out_srf_unref;
@@ -1016,6 +1013,34 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
vps->content_fb_type = new_content_type;
+ /*
+ * The drm fb code will do blit's via the vmap interface, which doesn't
+ * trigger vmw_bo page dirty tracking due to being kernel side (and thus
+ * doesn't require mmap'ing) so we have to update the surface's dirty
+ * regions by hand but we want to be careful to not overwrite the
+ * resource if it has been written to by the gpu (res_dirty).
+ */
+ if (vps->uo.buffer && vps->uo.buffer->is_dumb) {
+ struct vmw_surface *surf = vmw_user_object_surface(&vps->uo);
+ struct vmw_resource *res = &surf->res;
+
+ if (!res->res_dirty && drm_atomic_helper_damage_merged(old_state,
+ new_state,
+ &rect)) {
+ /*
+ * At some point it might be useful to actually translate
+ * (rect.x1, rect.y1) => start, and (rect.x2, rect.y2) => end,
+ * but currently the fb code will just report the entire fb
+ * dirty so in practice it doesn't matter.
+ */
+ pgoff_t start = res->guest_memory_offset >> PAGE_SHIFT;
+ pgoff_t end = __KERNEL_DIV_ROUND_UP(res->guest_memory_offset +
+ res->guest_memory_size,
+ PAGE_SIZE);
+ vmw_resource_dirty_update(res, start, end);
+ }
+ }
+
/*
* This should only happen if the buffer object is too large to create a
* proxy surface for.
@@ -1026,7 +1051,7 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
return 0;
out_srf_unref:
- vmw_surface_unreference(&vps->surf);
+ vmw_user_object_unref(&vps->uo);
return ret;
}
@@ -1168,14 +1193,8 @@ static uint32_t
vmw_stdu_surface_fifo_size_same_display(struct vmw_du_update_plane *update,
uint32_t num_hits)
{
- struct vmw_framebuffer_surface *vfbs;
uint32_t size = 0;
- vfbs = container_of(update->vfb, typeof(*vfbs), base);
-
- if (vfbs->is_bo_proxy)
- size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
-
size += sizeof(struct vmw_stdu_update);
return size;
@@ -1184,61 +1203,14 @@ vmw_stdu_surface_fifo_size_same_display(struct vmw_du_update_plane *update,
static uint32_t vmw_stdu_surface_fifo_size(struct vmw_du_update_plane *update,
uint32_t num_hits)
{
- struct vmw_framebuffer_surface *vfbs;
uint32_t size = 0;
- vfbs = container_of(update->vfb, typeof(*vfbs), base);
-
- if (vfbs->is_bo_proxy)
- size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
-
size += sizeof(struct vmw_stdu_surface_copy) + sizeof(SVGA3dCopyBox) *
num_hits + sizeof(struct vmw_stdu_update);
return size;
}
-static uint32_t
-vmw_stdu_surface_update_proxy(struct vmw_du_update_plane *update, void *cmd)
-{
- struct vmw_framebuffer_surface *vfbs;
- struct drm_plane_state *state = update->plane->state;
- struct drm_plane_state *old_state = update->old_state;
- struct vmw_stdu_update_gb_image *cmd_update = cmd;
- struct drm_atomic_helper_damage_iter iter;
- struct drm_rect clip;
- uint32_t copy_size = 0;
-
- vfbs = container_of(update->vfb, typeof(*vfbs), base);
-
- /*
- * proxy surface is special where a buffer object type fb is wrapped
- * in a surface and need an update gb image command to sync with device.
- */
- drm_atomic_helper_damage_iter_init(&iter, old_state, state);
- drm_atomic_for_each_plane_damage(&iter, &clip) {
- SVGA3dBox *box = &cmd_update->body.box;
-
- cmd_update->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
- cmd_update->header.size = sizeof(cmd_update->body);
- cmd_update->body.image.sid = vfbs->surface->res.id;
- cmd_update->body.image.face = 0;
- cmd_update->body.image.mipmap = 0;
-
- box->x = clip.x1;
- box->y = clip.y1;
- box->z = 0;
- box->w = drm_rect_width(&clip);
- box->h = drm_rect_height(&clip);
- box->d = 1;
-
- copy_size += sizeof(*cmd_update);
- cmd_update++;
- }
-
- return copy_size;
-}
-
static uint32_t
vmw_stdu_surface_populate_copy(struct vmw_du_update_plane *update, void *cmd,
uint32_t num_hits)
@@ -1253,7 +1225,7 @@ vmw_stdu_surface_populate_copy(struct vmw_du_update_plane *update, void *cmd,
cmd_copy->header.id = SVGA_3D_CMD_SURFACE_COPY;
cmd_copy->header.size = sizeof(cmd_copy->body) + sizeof(SVGA3dCopyBox) *
num_hits;
- cmd_copy->body.src.sid = vfbs->surface->res.id;
+ cmd_copy->body.src.sid = vmw_user_object_surface(&vfbs->uo)->res.id;
cmd_copy->body.dest.sid = stdu->display_srf->res.id;
return sizeof(*cmd_copy);
@@ -1324,10 +1296,7 @@ static int vmw_stdu_plane_update_surface(struct vmw_private *dev_priv,
srf_update.mutex = &dev_priv->cmdbuf_mutex;
srf_update.intr = true;
- if (vfbs->is_bo_proxy)
- srf_update.post_prepare = vmw_stdu_surface_update_proxy;
-
- if (vfbs->surface->res.id != stdu->display_srf->res.id) {
+ if (vmw_user_object_surface(&vfbs->uo)->res.id != stdu->display_srf->res.id) {
srf_update.calc_fifo_size = vmw_stdu_surface_fifo_size;
srf_update.pre_clip = vmw_stdu_surface_populate_copy;
srf_update.clip = vmw_stdu_surface_populate_clip;
@@ -1371,7 +1340,7 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
stdu = vmw_crtc_to_stdu(crtc);
dev_priv = vmw_priv(crtc->dev);
- stdu->display_srf = vps->surf;
+ stdu->display_srf = vmw_user_object_surface(&vps->uo);
stdu->content_fb_type = vps->content_fb_type;
stdu->cpp = vps->cpp;
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -36,9 +37,6 @@
#include <drm/ttm/ttm_placement.h>
#define SVGA3D_FLAGS_64(upper32, lower32) (((uint64_t)upper32 << 32) | lower32)
-#define SVGA3D_FLAGS_UPPER_32(svga3d_flags) (svga3d_flags >> 32)
-#define SVGA3D_FLAGS_LOWER_32(svga3d_flags) \
- (svga3d_flags & ((uint64_t)U32_MAX))
/**
* struct vmw_user_surface - User-space visible surface resource
@@ -686,6 +684,14 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base)
struct vmw_resource *res = &user_srf->srf.res;
*p_base = NULL;
+
+ /*
+ * Dumb buffers own the resource and they'll unref the
+ * resource themselves
+ */
+ if (res && res->guest_memory_bo && res->guest_memory_bo->is_dumb)
+ return;
+
vmw_resource_unreference(&res);
}
@@ -864,6 +870,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
vmw_resource_unreference(&res);
goto out_unlock;
}
+ vmw_bo_add_detached_resource(res->guest_memory_bo, res);
}
tmp = vmw_resource_reference(&srf->res);
@@ -892,6 +899,113 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
return ret;
}
+static struct vmw_user_surface *
+vmw_lookup_user_surface_for_buffer(struct vmw_private *vmw, struct vmw_bo *bo,
+ u32 handle)
+{
+ struct vmw_user_surface *user_srf = NULL;
+ struct vmw_surface *surf;
+ struct ttm_base_object *base;
+
+ surf = vmw_bo_surface(bo);
+ if (surf) {
+ rcu_read_lock();
+ user_srf = container_of(surf, struct vmw_user_surface, srf);
+ base = &user_srf->prime.base;
+ if (base && !kref_get_unless_zero(&base->refcount)) {
+ drm_dbg_driver(&vmw->drm,
+ "%s: referencing a stale surface handle %d\n",
+ __func__, handle);
+ base = NULL;
+ user_srf = NULL;
+ }
+ rcu_read_unlock();
+ }
+
+ return user_srf;
+}
+
+struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw,
+ struct vmw_bo *bo,
+ u32 handle)
+{
+ struct vmw_user_surface *user_srf =
+ vmw_lookup_user_surface_for_buffer(vmw, bo, handle);
+ struct vmw_surface *surf = NULL;
+ struct ttm_base_object *base;
+
+ if (user_srf) {
+ surf = vmw_surface_reference(&user_srf->srf);
+ base = &user_srf->prime.base;
+ ttm_base_object_unref(&base);
+ }
+ return surf;
+}
+
+u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw,
+ struct vmw_bo *bo,
+ u32 handle)
+{
+ struct vmw_user_surface *user_srf =
+ vmw_lookup_user_surface_for_buffer(vmw, bo, handle);
+ int surf_handle = 0;
+ struct ttm_base_object *base;
+
+ if (user_srf) {
+ base = &user_srf->prime.base;
+ surf_handle = (u32)base->handle;
+ ttm_base_object_unref(&base);
+ }
+ return surf_handle;
+}
+
+static int vmw_buffer_prime_to_surface_base(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ u32 fd, u32 *handle,
+ struct ttm_base_object **base_p)
+{
+ struct ttm_base_object *base;
+ struct vmw_bo *bo;
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_user_surface *user_srf;
+ int ret;
+
+ ret = drm_gem_prime_fd_to_handle(&dev_priv->drm, file_priv, fd, handle);
+ if (ret) {
+ drm_warn(&dev_priv->drm,
+ "Wasn't able to find user buffer for fd = %u.\n", fd);
+ return ret;
+ }
+
+ ret = vmw_user_bo_lookup(file_priv, *handle, &bo);
+ if (ret) {
+ drm_warn(&dev_priv->drm,
+ "Wasn't able to lookup user buffer for handle = %u.\n", *handle);
+ return ret;
+ }
+
+ user_srf = vmw_lookup_user_surface_for_buffer(dev_priv, bo, *handle);
+ if (WARN_ON(!user_srf)) {
+ drm_warn(&dev_priv->drm,
+ "User surface fd %d (handle %d) is null.\n", fd, *handle);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ base = &user_srf->prime.base;
+ ret = ttm_ref_object_add(tfile, base, NULL, false);
+ if (ret) {
+ drm_warn(&dev_priv->drm,
+ "Couldn't add an object ref for the buffer (%d).\n", *handle);
+ goto out;
+ }
+
+ *base_p = base;
+out:
+ vmw_user_bo_unref(&bo);
+
+ return ret;
+}
static int
vmw_surface_handle_reference(struct vmw_private *dev_priv,
@@ -901,15 +1015,19 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv,
struct ttm_base_object **base_p)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
- struct vmw_user_surface *user_srf;
+ struct vmw_user_surface *user_srf = NULL;
uint32_t handle;
struct ttm_base_object *base;
int ret;
if (handle_type == DRM_VMW_HANDLE_PRIME) {
ret = ttm_prime_fd_to_handle(tfile, u_handle, &handle);
- if (unlikely(ret != 0))
- return ret;
+ if (ret)
+ return vmw_buffer_prime_to_surface_base(dev_priv,
+ file_priv,
+ u_handle,
+ &handle,
+ base_p);
} else {
handle = u_handle;
}
@@ -1503,7 +1621,12 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
ret = vmw_user_bo_lookup(file_priv, req->base.buffer_handle,
&res->guest_memory_bo);
if (ret == 0) {
- if (res->guest_memory_bo->tbo.base.size < res->guest_memory_size) {
+ if (res->guest_memory_bo->is_dumb) {
+ VMW_DEBUG_USER("Can't backup surface with a dumb buffer.\n");
+ vmw_user_bo_unref(&res->guest_memory_bo);
+ ret = -EINVAL;
+ goto out_unlock;
+ } else if (res->guest_memory_bo->tbo.base.size < res->guest_memory_size) {
VMW_DEBUG_USER("Surface backup buffer too small.\n");
vmw_user_bo_unref(&res->guest_memory_bo);
ret = -EINVAL;
@@ -1560,6 +1683,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
rep->handle = user_srf->prime.base.handle;
rep->backup_size = res->guest_memory_size;
if (res->guest_memory_bo) {
+ vmw_bo_add_detached_resource(res->guest_memory_bo, res);
rep->buffer_map_handle =
drm_vma_node_offset_addr(&res->guest_memory_bo->tbo.base.vma_node);
rep->buffer_size = res->guest_memory_bo->tbo.base.size;
@@ -2100,3 +2224,140 @@ int vmw_gb_surface_define(struct vmw_private *dev_priv,
out_unlock:
return ret;
}
+
+static SVGA3dSurfaceFormat vmw_format_bpp_to_svga(struct vmw_private *vmw,
+ int bpp)
+{
+ switch (bpp) {
+ case 8: /* DRM_FORMAT_C8 */
+ return SVGA3D_P8;
+ case 16: /* DRM_FORMAT_RGB565 */
+ return SVGA3D_R5G6B5;
+ case 32: /* DRM_FORMAT_XRGB8888 */
+ if (has_sm4_context(vmw))
+ return SVGA3D_B8G8R8X8_UNORM;
+ return SVGA3D_X8R8G8B8;
+ default:
+ drm_warn(&vmw->drm, "Unsupported format bpp: %d\n", bpp);
+ return SVGA3D_X8R8G8B8;
+ }
+}
+
+/**
+ * vmw_dumb_create - Create a dumb kms buffer
+ *
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * @dev: Pointer to the drm device.
+ * @args: Pointer to a struct drm_mode_create_dumb structure
+ * Return: Zero on success, negative error code on failure.
+ *
+ * This is a driver callback for the core drm create_dumb functionality.
+ * Note that this is very similar to the vmw_bo_alloc ioctl, except
+ * that the arguments have a different format.
+ */
+int vmw_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_bo *vbo = NULL;
+ struct vmw_resource *res = NULL;
+ union drm_vmw_gb_surface_create_ext_arg arg = { 0 };
+ struct drm_vmw_gb_surface_create_ext_req *req = &arg.req;
+ int ret;
+ struct drm_vmw_size drm_size = {
+ .width = args->width,
+ .height = args->height,
+ .depth = 1,
+ };
+ SVGA3dSurfaceFormat format = vmw_format_bpp_to_svga(dev_priv, args->bpp);
+ const struct SVGA3dSurfaceDesc *desc = vmw_surface_get_desc(format);
+ SVGA3dSurfaceAllFlags flags = SVGA3D_SURFACE_HINT_TEXTURE |
+ SVGA3D_SURFACE_HINT_RENDERTARGET |
+ SVGA3D_SURFACE_SCREENTARGET |
+ SVGA3D_SURFACE_BIND_SHADER_RESOURCE |
+ SVGA3D_SURFACE_BIND_RENDER_TARGET;
+
+ /*
+ * Without mob support we're just going to use raw memory buffer
+ * because we wouldn't be able to support full surface coherency
+ * without mobs
+ */
+ if (!dev_priv->has_mob) {
+ int cpp = DIV_ROUND_UP(args->bpp, 8);
+
+ switch (cpp) {
+ case 1: /* DRM_FORMAT_C8 */
+ case 2: /* DRM_FORMAT_RGB565 */
+ case 4: /* DRM_FORMAT_XRGB8888 */
+ break;
+ default:
+ /*
+ * Dumb buffers don't allow anything else.
+ * This is tested via IGT's dumb_buffers
+ */
+ return -EINVAL;
+ }
+
+ args->pitch = args->width * cpp;
+ args->size = ALIGN(args->pitch * args->height, PAGE_SIZE);
+
+ ret = vmw_gem_object_create_with_handle(dev_priv, file_priv,
+ args->size, &args->handle,
+ &vbo);
+ /* drop reference from allocate - handle holds it now */
+ drm_gem_object_put(&vbo->tbo.base);
+ return ret;
+ }
+
+ req->version = drm_vmw_gb_surface_v1;
+ req->multisample_pattern = SVGA3D_MS_PATTERN_NONE;
+ req->quality_level = SVGA3D_MS_QUALITY_NONE;
+ req->buffer_byte_stride = 0;
+ req->must_be_zero = 0;
+ req->base.svga3d_flags = SVGA3D_FLAGS_LOWER_32(flags);
+ req->svga3d_flags_upper_32_bits = SVGA3D_FLAGS_UPPER_32(flags);
+ req->base.format = (uint32_t)format;
+ req->base.drm_surface_flags = drm_vmw_surface_flag_scanout;
+ req->base.drm_surface_flags |= drm_vmw_surface_flag_shareable;
+ req->base.drm_surface_flags |= drm_vmw_surface_flag_create_buffer;
+ req->base.drm_surface_flags |= drm_vmw_surface_flag_coherent;
+ req->base.base_size.width = args->width;
+ req->base.base_size.height = args->height;
+ req->base.base_size.depth = 1;
+ req->base.array_size = 0;
+ req->base.mip_levels = 1;
+ req->base.multisample_count = 0;
+ req->base.buffer_handle = SVGA3D_INVALID_ID;
+ req->base.autogen_filter = SVGA3D_TEX_FILTER_NONE;
+ ret = vmw_gb_surface_define_ext_ioctl(dev, &arg, file_priv);
+ if (ret) {
+ drm_warn(dev, "Unable to create a dumb buffer\n");
+ return ret;
+ }
+
+ args->handle = arg.rep.buffer_handle;
+ args->size = arg.rep.buffer_size;
+ args->pitch = vmw_surface_calculate_pitch(desc, &drm_size);
+
+ ret = vmw_user_resource_lookup_handle(dev_priv, tfile, arg.rep.handle,
+ user_surface_converter,
+ &res);
+ if (ret) {
+ drm_err(dev, "Created resource handle doesn't exist!\n");
+ goto err;
+ }
+
+ vbo = res->guest_memory_bo;
+ vbo->is_dumb = true;
+ vbo->dumb_surface = vmw_res_to_srf(res);
+
+err:
+ if (res)
+ vmw_resource_unreference(&res);
+ if (ret)
+ ttm_ref_object_base_unref(tfile, arg.rep.handle);
+
+ return ret;
+}