From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/qxl/qxl_ttm.c | 295 ++++++++++++-----------------------------------------------
1 files changed, 60 insertions(+), 235 deletions(-)
diff --git a/kernel/drivers/gpu/drm/qxl/qxl_ttm.c b/kernel/drivers/gpu/drm/qxl/qxl_ttm.c
index 86a1fb3..fd691ff 100644
--- a/kernel/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/kernel/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -23,18 +23,20 @@
* Alon Levy
*/
+#include <linux/delay.h>
+
+#include <drm/drm.h>
+#include <drm/drm_file.h>
+#include <drm/drm_debugfs.h>
+#include <drm/qxl_drm.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_placement.h>
-#include <drm/ttm/ttm_page_alloc.h>
#include <drm/ttm/ttm_module.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/qxl_drm.h>
+#include <drm/ttm/ttm_page_alloc.h>
+#include <drm/ttm/ttm_placement.h>
+
#include "qxl_drv.h"
#include "qxl_object.h"
-
-#include <linux/delay.h>
static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
{
@@ -46,140 +48,6 @@
return qdev;
}
-static int qxl_ttm_mem_global_init(struct drm_global_reference *ref)
-{
- return ttm_mem_global_init(ref->object);
-}
-
-static void qxl_ttm_mem_global_release(struct drm_global_reference *ref)
-{
- ttm_mem_global_release(ref->object);
-}
-
-static int qxl_ttm_global_init(struct qxl_device *qdev)
-{
- struct drm_global_reference *global_ref;
- int r;
-
- qdev->mman.mem_global_referenced = false;
- global_ref = &qdev->mman.mem_global_ref;
- global_ref->global_type = DRM_GLOBAL_TTM_MEM;
- global_ref->size = sizeof(struct ttm_mem_global);
- global_ref->init = &qxl_ttm_mem_global_init;
- global_ref->release = &qxl_ttm_mem_global_release;
-
- r = drm_global_item_ref(global_ref);
- if (r != 0) {
- DRM_ERROR("Failed setting up TTM memory accounting "
- "subsystem.\n");
- return r;
- }
-
- qdev->mman.bo_global_ref.mem_glob =
- qdev->mman.mem_global_ref.object;
- global_ref = &qdev->mman.bo_global_ref.ref;
- global_ref->global_type = DRM_GLOBAL_TTM_BO;
- global_ref->size = sizeof(struct ttm_bo_global);
- global_ref->init = &ttm_bo_global_init;
- global_ref->release = &ttm_bo_global_release;
- r = drm_global_item_ref(global_ref);
- if (r != 0) {
- DRM_ERROR("Failed setting up TTM BO subsystem.\n");
- drm_global_item_unref(&qdev->mman.mem_global_ref);
- return r;
- }
-
- qdev->mman.mem_global_referenced = true;
- return 0;
-}
-
-static void qxl_ttm_global_fini(struct qxl_device *qdev)
-{
- if (qdev->mman.mem_global_referenced) {
- drm_global_item_unref(&qdev->mman.bo_global_ref.ref);
- drm_global_item_unref(&qdev->mman.mem_global_ref);
- qdev->mman.mem_global_referenced = false;
- }
-}
-
-static struct vm_operations_struct qxl_ttm_vm_ops;
-static const struct vm_operations_struct *ttm_vm_ops;
-
-static vm_fault_t qxl_ttm_fault(struct vm_fault *vmf)
-{
- struct ttm_buffer_object *bo;
- vm_fault_t ret;
-
- bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data;
- if (bo == NULL)
- return VM_FAULT_NOPAGE;
- ret = ttm_vm_ops->fault(vmf);
- return ret;
-}
-
-int qxl_mmap(struct file *filp, struct vm_area_struct *vma)
-{
- struct drm_file *file_priv;
- struct qxl_device *qdev;
- int r;
-
- if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
- return -EINVAL;
-
- file_priv = filp->private_data;
- qdev = file_priv->minor->dev->dev_private;
- if (qdev == NULL) {
- DRM_ERROR(
- "filp->private_data->minor->dev->dev_private == NULL\n");
- return -EINVAL;
- }
- DRM_DEBUG_DRIVER("filp->private_data = 0x%p, vma->vm_pgoff = %lx\n",
- filp->private_data, vma->vm_pgoff);
-
- r = ttm_bo_mmap(filp, vma, &qdev->mman.bdev);
- if (unlikely(r != 0))
- return r;
- if (unlikely(ttm_vm_ops == NULL)) {
- ttm_vm_ops = vma->vm_ops;
- qxl_ttm_vm_ops = *ttm_vm_ops;
- qxl_ttm_vm_ops.fault = &qxl_ttm_fault;
- }
- vma->vm_ops = &qxl_ttm_vm_ops;
- return 0;
-}
-
-static int qxl_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
-{
- return 0;
-}
-
-static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
- struct ttm_mem_type_manager *man)
-{
- switch (type) {
- case TTM_PL_SYSTEM:
- /* System memory */
- man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
- man->available_caching = TTM_PL_MASK_CACHING;
- man->default_caching = TTM_PL_FLAG_CACHED;
- break;
- case TTM_PL_VRAM:
- case TTM_PL_PRIV:
- /* "On-card" video ram */
- man->func = &ttm_bo_manager_func;
- man->gpu_offset = 0;
- man->flags = TTM_MEMTYPE_FLAG_FIXED |
- TTM_MEMTYPE_FLAG_MAPPABLE;
- man->available_caching = TTM_PL_MASK_CACHING;
- man->default_caching = TTM_PL_FLAG_CACHED;
- break;
- default:
- DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
- return -EINVAL;
- }
- return 0;
-}
-
static void qxl_evict_flags(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
@@ -187,7 +55,8 @@
static const struct ttm_place placements = {
.fpfn = 0,
.lpfn = 0,
- .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
+ .mem_type = TTM_PL_SYSTEM,
+ .flags = TTM_PL_MASK_CACHING
};
if (!qxl_ttm_bo_is_qxl_bo(bo)) {
@@ -202,40 +71,23 @@
*placement = qbo->placement;
}
-static int qxl_verify_access(struct ttm_buffer_object *bo, struct file *filp)
+int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
+ struct ttm_resource *mem)
{
- struct qxl_bo *qbo = to_qxl_bo(bo);
-
- return drm_vma_node_verify_access(&qbo->gem_base.vma_node,
- filp->private_data);
-}
-
-static int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
-{
- struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct qxl_device *qdev = qxl_get_qdev(bdev);
- mem->bus.addr = NULL;
- mem->bus.offset = 0;
- mem->bus.size = mem->num_pages << PAGE_SHIFT;
- mem->bus.base = 0;
- mem->bus.is_iomem = false;
- if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
- return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* system memory */
return 0;
case TTM_PL_VRAM:
mem->bus.is_iomem = true;
- mem->bus.base = qdev->vram_base;
- mem->bus.offset = mem->start << PAGE_SHIFT;
+ mem->bus.offset = (mem->start << PAGE_SHIFT) + qdev->vram_base;
break;
case TTM_PL_PRIV:
mem->bus.is_iomem = true;
- mem->bus.base = qdev->surfaceram_base;
- mem->bus.offset = mem->start << PAGE_SHIFT;
+ mem->bus.offset = (mem->start << PAGE_SHIFT) +
+ qdev->surfaceram_base;
break;
default:
return -EINVAL;
@@ -243,22 +95,18 @@
return 0;
}
-static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
-{
-}
-
/*
* TTM backend functions.
*/
struct qxl_ttm_tt {
- struct ttm_dma_tt ttm;
+ struct ttm_tt ttm;
struct qxl_device *qdev;
u64 offset;
};
-static int qxl_ttm_backend_bind(struct ttm_tt *ttm,
- struct ttm_mem_reg *bo_mem)
+static int qxl_ttm_backend_bind(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm,
+ struct ttm_resource *bo_mem)
{
struct qxl_ttm_tt *gtt = (void *)ttm;
@@ -271,25 +119,21 @@
return -1;
}
-static int qxl_ttm_backend_unbind(struct ttm_tt *ttm)
+static void qxl_ttm_backend_unbind(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm)
{
/* Not implemented */
- return -1;
}
-static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
+static void qxl_ttm_backend_destroy(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm)
{
struct qxl_ttm_tt *gtt = (void *)ttm;
- ttm_dma_tt_fini(>t->ttm);
+ ttm_tt_destroy_common(bdev, ttm);
+ ttm_tt_fini(>t->ttm);
kfree(gtt);
}
-
-static struct ttm_backend_func qxl_backend_func = {
- .bind = &qxl_ttm_backend_bind,
- .unbind = &qxl_ttm_backend_unbind,
- .destroy = &qxl_ttm_backend_destroy,
-};
static struct ttm_tt *qxl_ttm_tt_create(struct ttm_buffer_object *bo,
uint32_t page_flags)
@@ -301,39 +145,27 @@
gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
if (gtt == NULL)
return NULL;
- gtt->ttm.ttm.func = &qxl_backend_func;
gtt->qdev = qdev;
- if (ttm_dma_tt_init(>t->ttm, bo, page_flags)) {
+ if (ttm_tt_init(>t->ttm, bo, page_flags)) {
kfree(gtt);
return NULL;
}
- return >t->ttm.ttm;
-}
-
-static void qxl_move_null(struct ttm_buffer_object *bo,
- struct ttm_mem_reg *new_mem)
-{
- struct ttm_mem_reg *old_mem = &bo->mem;
-
- BUG_ON(old_mem->mm_node != NULL);
- *old_mem = *new_mem;
- new_mem->mm_node = NULL;
+ return >t->ttm;
}
static int qxl_bo_move(struct ttm_buffer_object *bo, bool evict,
struct ttm_operation_ctx *ctx,
- struct ttm_mem_reg *new_mem)
+ struct ttm_resource *new_mem)
{
- struct ttm_mem_reg *old_mem = &bo->mem;
+ struct ttm_resource *old_mem = &bo->mem;
int ret;
ret = ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
if (ret)
return ret;
-
if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
- qxl_move_null(bo, new_mem);
+ ttm_bo_move_null(bo, new_mem);
return 0;
}
return ttm_bo_move_memcpy(bo, ctx, new_mem);
@@ -341,7 +173,7 @@
static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
bool evict,
- struct ttm_mem_reg *new_mem)
+ struct ttm_resource *new_mem)
{
struct qxl_bo *qbo;
struct qxl_device *qdev;
@@ -349,7 +181,7 @@
if (!qxl_ttm_bo_is_qxl_bo(bo))
return;
qbo = to_qxl_bo(bo);
- qdev = qbo->gem_base.dev->dev_private;
+ qdev = to_qxl(qbo->tbo.base.dev);
if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
qxl_surface_evict(qdev, qbo, new_mem ? true : false);
@@ -357,67 +189,67 @@
static struct ttm_bo_driver qxl_bo_driver = {
.ttm_tt_create = &qxl_ttm_tt_create,
- .invalidate_caches = &qxl_invalidate_caches,
- .init_mem_type = &qxl_init_mem_type,
+ .ttm_tt_bind = &qxl_ttm_backend_bind,
+ .ttm_tt_destroy = &qxl_ttm_backend_destroy,
+ .ttm_tt_unbind = &qxl_ttm_backend_unbind,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = &qxl_evict_flags,
.move = &qxl_bo_move,
- .verify_access = &qxl_verify_access,
.io_mem_reserve = &qxl_ttm_io_mem_reserve,
- .io_mem_free = &qxl_ttm_io_mem_free,
.move_notify = &qxl_bo_move_notify,
};
+
+static int qxl_ttm_init_mem_type(struct qxl_device *qdev,
+ unsigned int type,
+ uint64_t size)
+{
+ return ttm_range_man_init(&qdev->mman.bdev, type, false, size);
+}
int qxl_ttm_init(struct qxl_device *qdev)
{
int r;
int num_io_pages; /* != rom->num_io_pages, we include surface0 */
- r = qxl_ttm_global_init(qdev);
- if (r)
- return r;
/* No others user of address space so set it to 0 */
r = ttm_bo_device_init(&qdev->mman.bdev,
- qdev->mman.bo_global_ref.ref.object,
&qxl_bo_driver,
qdev->ddev.anon_inode->i_mapping,
- DRM_FILE_PAGE_OFFSET, 0);
+ qdev->ddev.vma_offset_manager,
+ false);
if (r) {
DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
return r;
}
/* NOTE: this includes the framebuffer (aka surface 0) */
num_io_pages = qdev->rom->ram_header_offset / PAGE_SIZE;
- r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_VRAM,
- num_io_pages);
+ r = qxl_ttm_init_mem_type(qdev, TTM_PL_VRAM, num_io_pages);
if (r) {
DRM_ERROR("Failed initializing VRAM heap.\n");
return r;
}
- r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_PRIV,
- qdev->surfaceram_size / PAGE_SIZE);
+ r = qxl_ttm_init_mem_type(qdev, TTM_PL_PRIV,
+ qdev->surfaceram_size / PAGE_SIZE);
if (r) {
DRM_ERROR("Failed initializing Surfaces heap.\n");
return r;
}
DRM_INFO("qxl: %uM of VRAM memory size\n",
- (unsigned)qdev->vram_size / (1024 * 1024));
+ (unsigned int)qdev->vram_size / (1024 * 1024));
DRM_INFO("qxl: %luM of IO pages memory ready (VRAM domain)\n",
- ((unsigned)num_io_pages * PAGE_SIZE) / (1024 * 1024));
+ ((unsigned int)num_io_pages * PAGE_SIZE) / (1024 * 1024));
DRM_INFO("qxl: %uM of Surface memory size\n",
- (unsigned)qdev->surfaceram_size / (1024 * 1024));
+ (unsigned int)qdev->surfaceram_size / (1024 * 1024));
return 0;
}
void qxl_ttm_fini(struct qxl_device *qdev)
{
- ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_VRAM);
- ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_PRIV);
+ ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_VRAM);
+ ttm_range_man_fini(&qdev->mman.bdev, TTM_PL_PRIV);
ttm_bo_device_release(&qdev->mman.bdev);
- qxl_ttm_global_fini(qdev);
DRM_INFO("qxl: ttm finalized\n");
}
-
#define QXL_DEBUGFS_MEM_TYPES 2
@@ -425,25 +257,20 @@
static int qxl_mm_dump_table(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *)m->private;
- struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
- struct drm_device *dev = node->minor->dev;
- struct qxl_device *rdev = dev->dev_private;
- struct ttm_bo_global *glob = rdev->mman.bdev.glob;
+ struct ttm_resource_manager *man = (struct ttm_resource_manager *)node->info_ent->data;
struct drm_printer p = drm_seq_file_printer(m);
- spin_lock(&glob->lru_lock);
- drm_mm_print(mm, &p);
- spin_unlock(&glob->lru_lock);
+ ttm_resource_manager_debug(man, &p);
return 0;
}
#endif
-int qxl_ttm_debugfs_init(struct qxl_device *qdev)
+void qxl_ttm_debugfs_init(struct qxl_device *qdev)
{
#if defined(CONFIG_DEBUG_FS)
static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32];
- unsigned i;
+ unsigned int i;
for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) {
if (i == 0)
@@ -454,13 +281,11 @@
qxl_mem_types_list[i].show = &qxl_mm_dump_table;
qxl_mem_types_list[i].driver_features = 0;
if (i == 0)
- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
+ qxl_mem_types_list[i].data = ttm_manager_type(&qdev->mman.bdev, TTM_PL_VRAM);
else
- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
+ qxl_mem_types_list[i].data = ttm_manager_type(&qdev->mman.bdev, TTM_PL_PRIV);
}
- return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
-#else
- return 0;
+ qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
#endif
}
--
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