| From b6c765d693a0833b94cb2e91b32842570c3458d2 Mon Sep 17 00:00:00 2001 |
| From: vboxsync <vboxsync@cfe28804-0f27-0410-a406-dd0f0b0b656f> |
| Date: Tue, 15 Dec 2020 22:29:56 +0000 |
| Subject: [PATCH] Additions/linux/drm: Adjustment for Linux 5.10. |
| |
| Upstream-Status: Backport |
| |
| git-svn-id: http://www.virtualbox.org/svn/vbox@87092 cfe28804-0f27-0410-a406-dd0f0b0b656f |
| |
| Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> |
| |
| --- |
| src/VBox/Additions/linux/drm/vbox_drv.h | 10 +- |
| src/VBox/Additions/linux/drm/vbox_fb.c | 2 +- |
| .../src/VBox/Additions/linux/drm/vbox_mode.c | 2 +- |
| src/VBox/Additions/linux/drm/vbox_ttm.c | 99 +++++++++++++++++-- |
| 4 files changed, 99 insertions(+), 14 deletions(-) |
| |
| diff --git a/src/VBox/Additions/linux/drm/vbox_drv.h b/src/VBox/Additions/linux/drm/vbox_drv.h |
| index 8c85371749..7937f2f2d2 100644 |
| --- a/src/VBox/Additions/linux/drm/vbox_drv.h |
| +++ b/src/VBox/Additions/linux/drm/vbox_drv.h |
| @@ -175,6 +175,9 @@ |
| #include <drm/ttm/ttm_placement.h> |
| #include <drm/ttm/ttm_memory.h> |
| #include <drm/ttm/ttm_module.h> |
| +#if RTLNX_VER_MIN(5,10,0) |
| +# include <drm/ttm/ttm_resource.h> |
| +#endif |
| |
| #include "vboxvideo_guest.h" |
| #include "vboxvideo_vbe.h" |
| @@ -444,7 +447,10 @@ int vbox_bo_create(struct drm_device *dev, int size, int align, |
| int vbox_gem_create(struct drm_device *dev, |
| u32 size, bool iskernel, struct drm_gem_object **obj); |
| |
| -int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr); |
| +#define VBOX_MEM_TYPE_VRAM 0x1 |
| +#define VBOX_MEM_TYPE_SYSTEM 0x2 |
| + |
| +int vbox_bo_pin(struct vbox_bo *bo, u32 mem_type, u64 *gpu_addr); |
| int vbox_bo_unpin(struct vbox_bo *bo); |
| |
| static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait) |
| @@ -469,7 +475,7 @@ static inline void vbox_bo_unreserve(struct vbox_bo *bo) |
| ttm_bo_unreserve(&bo->bo); |
| } |
| |
| -void vbox_ttm_placement(struct vbox_bo *bo, int domain); |
| +void vbox_ttm_placement(struct vbox_bo *bo, u32 mem_type); |
| int vbox_bo_push_sysram(struct vbox_bo *bo); |
| int vbox_mmap(struct file *filp, struct vm_area_struct *vma); |
| |
| diff --git a/src/VBox/Additions/linux/drm/vbox_fb.c b/src/VBox/Additions/linux/drm/vbox_fb.c |
| index adead98d3d..7182d9da1a 100644 |
| --- a/src/VBox/Additions/linux/drm/vbox_fb.c |
| +++ b/src/VBox/Additions/linux/drm/vbox_fb.c |
| @@ -295,7 +295,7 @@ static int vboxfb_create(struct drm_fb_helper *helper, |
| if (ret) |
| return ret; |
| |
| - ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL); |
| + ret = vbox_bo_pin(bo, VBOX_MEM_TYPE_VRAM, NULL); |
| if (ret) { |
| vbox_bo_unreserve(bo); |
| return ret; |
| diff --git a/src/VBox/Additions/linux/drm/vbox_mode.c b/src/VBox/Additions/linux/drm/vbox_mode.c |
| index ce7d135cb6..5557db5ef8 100644 |
| --- a/src/VBox/Additions/linux/drm/vbox_mode.c |
| +++ b/src/VBox/Additions/linux/drm/vbox_mode.c |
| @@ -227,7 +227,7 @@ static int vbox_crtc_set_base(struct drm_crtc *crtc, |
| if (ret) |
| return ret; |
| |
| - ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); |
| + ret = vbox_bo_pin(bo, VBOX_MEM_TYPE_VRAM, &gpu_addr); |
| vbox_bo_unreserve(bo); |
| if (ret) |
| return ret; |
| diff --git a/src/VBox/Additions/linux/drm/vbox_ttm.c b/src/VBox/Additions/linux/drm/vbox_ttm.c |
| index bf87aabc05..5eac926a42 100644 |
| --- a/src/VBox/Additions/linux/drm/vbox_ttm.c |
| +++ b/src/VBox/Additions/linux/drm/vbox_ttm.c |
| @@ -41,6 +41,7 @@ |
| #define PLACEMENT_FLAGS(placement) ((placement).flags) |
| #endif |
| |
| + |
| static inline struct vbox_private *vbox_bdev(struct ttm_bo_device *bd) |
| { |
| return container_of(bd, struct vbox_private, ttm.bdev); |
| @@ -125,6 +126,7 @@ static bool vbox_ttm_bo_is_vbox_bo(struct ttm_buffer_object *bo) |
| return false; |
| } |
| |
| +#if RTLNX_VER_MAX(5,10,0) |
| static int |
| vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, |
| struct ttm_mem_type_manager *man) |
| @@ -148,6 +150,7 @@ vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, |
| |
| return 0; |
| } |
| +#endif |
| |
| static void |
| vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) |
| @@ -157,7 +160,7 @@ vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) |
| if (!vbox_ttm_bo_is_vbox_bo(bo)) |
| return; |
| |
| - vbox_ttm_placement(vboxbo, TTM_PL_FLAG_SYSTEM); |
| + vbox_ttm_placement(vboxbo, VBOX_MEM_TYPE_SYSTEM); |
| *pl = vboxbo->placement; |
| } |
| |
| @@ -167,11 +170,12 @@ static int vbox_bo_verify_access(struct ttm_buffer_object *bo, |
| return 0; |
| } |
| |
| +#if RTLNX_VER_MAX(5,10,0) |
| static int vbox_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 vbox_private *vbox = vbox_bdev(bdev); |
| + struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; |
| |
| mem->bus.addr = NULL; |
| mem->bus.offset = 0; |
| @@ -194,12 +198,53 @@ static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, |
| } |
| return 0; |
| } |
| +#else |
| +static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, |
| + struct ttm_resource *mem) |
| +{ |
| + struct vbox_private *vbox = vbox_bdev(bdev); |
| + mem->bus.addr = NULL; |
| + mem->bus.offset = 0; |
| + mem->size = mem->num_pages << PAGE_SHIFT; |
| + mem->start = 0; |
| + mem->bus.is_iomem = false; |
| + switch (mem->mem_type) { |
| + case TTM_PL_SYSTEM: |
| + /* system memory */ |
| + return 0; |
| + case TTM_PL_VRAM: |
| + mem->bus.offset = mem->start << PAGE_SHIFT; |
| + mem->start = pci_resource_start(vbox->dev->pdev, 0); |
| + mem->bus.is_iomem = true; |
| + break; |
| + default: |
| + return -EINVAL; |
| + } |
| + return 0; |
| +} |
| +#endif |
| |
| + |
| + |
| +#if RTLNX_VER_MIN(5,10,0) |
| +static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev, |
| + struct ttm_resource *mem) |
| +{ |
| +} |
| +#else |
| static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev, |
| struct ttm_mem_reg *mem) |
| { |
| } |
| +#endif |
| |
| +#if RTLNX_VER_MIN(5,10,0) |
| +static void vbox_ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt) |
| +{ |
| + ttm_tt_fini(tt); |
| + kfree(tt); |
| +} |
| +#else |
| static void vbox_ttm_backend_destroy(struct ttm_tt *tt) |
| { |
| ttm_tt_fini(tt); |
| @@ -209,6 +254,7 @@ static void vbox_ttm_backend_destroy(struct ttm_tt *tt) |
| static struct ttm_backend_func vbox_tt_backend_func = { |
| .destroy = &vbox_ttm_backend_destroy, |
| }; |
| +#endif |
| |
| #if RTLNX_VER_MAX(4,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) |
| static struct ttm_tt *vbox_ttm_tt_create(struct ttm_bo_device *bdev, |
| @@ -226,7 +272,9 @@ static struct ttm_tt *vbox_ttm_tt_create(struct ttm_buffer_object *bo, |
| if (!tt) |
| return NULL; |
| |
| +#if RTLNX_VER_MAX(5,10,0) |
| tt->func = &vbox_tt_backend_func; |
| +#endif |
| #if RTLNX_VER_MAX(4,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) |
| if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) { |
| #else |
| @@ -261,11 +309,16 @@ static void vbox_ttm_tt_unpopulate(struct ttm_tt *ttm) |
| |
| static struct ttm_bo_driver vbox_bo_driver = { |
| .ttm_tt_create = vbox_ttm_tt_create, |
| +#if RTLNX_VER_MIN(5,10,0) |
| + .ttm_tt_destroy = vbox_ttm_tt_destroy, |
| +#endif |
| #if RTLNX_VER_MAX(4,17,0) |
| .ttm_tt_populate = vbox_ttm_tt_populate, |
| .ttm_tt_unpopulate = vbox_ttm_tt_unpopulate, |
| #endif |
| +#if RTLNX_VER_MAX(5,10,0) |
| .init_mem_type = vbox_bo_init_mem_type, |
| +#endif |
| #if RTLNX_VER_MIN(4,10,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) |
| .eviction_valuable = ttm_bo_eviction_valuable, |
| #endif |
| @@ -318,8 +371,13 @@ int vbox_mm_init(struct vbox_private *vbox) |
| #endif |
| } |
| |
| +#if RTLNX_VER_MIN(5,10,0) |
| + ret = ttm_range_man_init(bdev, TTM_PL_VRAM, false, |
| + vbox->available_vram_size >> PAGE_SHIFT); |
| +#else |
| ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM, |
| vbox->available_vram_size >> PAGE_SHIFT); |
| +#endif |
| if (ret) { |
| DRM_ERROR("Failed ttm VRAM init: %d\n", ret); |
| goto err_device_release; |
| @@ -359,7 +417,7 @@ void vbox_mm_fini(struct vbox_private *vbox) |
| #endif |
| } |
| |
| -void vbox_ttm_placement(struct vbox_bo *bo, int domain) |
| +void vbox_ttm_placement(struct vbox_bo *bo, u32 mem_type) |
| { |
| u32 c = 0; |
| #if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) |
| @@ -372,15 +430,36 @@ void vbox_ttm_placement(struct vbox_bo *bo, int domain) |
| bo->placement.placement = bo->placements; |
| bo->placement.busy_placement = bo->placements; |
| |
| - if (domain & TTM_PL_FLAG_VRAM) |
| + if (mem_type & VBOX_MEM_TYPE_VRAM) { |
| +#if RTLNX_VER_MIN(5,10,0) |
| + bo->placements[c].mem_type = TTM_PL_VRAM; |
| + PLACEMENT_FLAGS(bo->placements[c++]) = |
| + TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED; |
| +#else |
| PLACEMENT_FLAGS(bo->placements[c++]) = |
| TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; |
| - if (domain & TTM_PL_FLAG_SYSTEM) |
| +#endif |
| + } |
| + if (mem_type & VBOX_MEM_TYPE_SYSTEM) { |
| +#if RTLNX_VER_MIN(5,10,0) |
| + bo->placements[c].mem_type = TTM_PL_SYSTEM; |
| + PLACEMENT_FLAGS(bo->placements[c++]) = |
| + TTM_PL_MASK_CACHING; |
| +#else |
| PLACEMENT_FLAGS(bo->placements[c++]) = |
| TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; |
| - if (!c) |
| +#endif |
| + } |
| + if (!c) { |
| +#if RTLNX_VER_MIN(5,10,0) |
| + bo->placements[c].mem_type = TTM_PL_SYSTEM; |
| + PLACEMENT_FLAGS(bo->placements[c++]) = |
| + TTM_PL_MASK_CACHING; |
| +#else |
| PLACEMENT_FLAGS(bo->placements[c++]) = |
| TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; |
| +#endif |
| + } |
| |
| bo->placement.num_placement = c; |
| bo->placement.num_busy_placement = c; |
| @@ -414,7 +493,7 @@ int vbox_bo_create(struct drm_device *dev, int size, int align, |
| vboxbo->bo.bdev->dev_mapping = dev->dev_mapping; |
| #endif |
| |
| - vbox_ttm_placement(vboxbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); |
| + vbox_ttm_placement(vboxbo, VBOX_MEM_TYPE_VRAM | VBOX_MEM_TYPE_SYSTEM); |
| |
| acc_size = ttm_bo_dma_acc_size(&vbox->ttm.bdev, size, |
| sizeof(struct vbox_bo)); |
| @@ -452,7 +531,7 @@ static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo) |
| #endif |
| } |
| |
| -int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr) |
| +int vbox_bo_pin(struct vbox_bo *bo, u32 mem_type, u64 *gpu_addr) |
| { |
| #if RTLNX_VER_MIN(4,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) |
| struct ttm_operation_ctx ctx = { false, false }; |
| @@ -467,7 +546,7 @@ int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr) |
| return 0; |
| } |
| |
| - vbox_ttm_placement(bo, pl_flag); |
| + vbox_ttm_placement(bo, mem_type); |
| |
| for (i = 0; i < bo->placement.num_placement; i++) |
| PLACEMENT_FLAGS(bo->placements[i]) |= TTM_PL_FLAG_NO_EVICT; |
| @@ -540,7 +619,7 @@ int vbox_bo_push_sysram(struct vbox_bo *bo) |
| if (bo->kmap.virtual) |
| ttm_bo_kunmap(&bo->kmap); |
| |
| - vbox_ttm_placement(bo, TTM_PL_FLAG_SYSTEM); |
| + vbox_ttm_placement(bo, VBOX_MEM_TYPE_SYSTEM); |
| |
| for (i = 0; i < bo->placement.num_placement; i++) |
| PLACEMENT_FLAGS(bo->placements[i]) |= TTM_PL_FLAG_NO_EVICT; |
| -- |
| 2.19.1 |
| |