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drm fixes for v6.9-rc5

Browse Source 
ttm:
 - Stop pooling cached NUMA pages
 
 amdgpu:
 - Fix invalid resource->start check
 - USB-C DSC fix
 - Fix a potential UAF in VA IOCTL
 - Fix visible VRAM handling during faults
 
 amdkfd:
 - Fix memory leak in create_process failure
 
 radeon:
 - Silence UBSAN warnings from variable sized arrays
 
 nouveau:
 - dp: Don't probe DP ports twice
 - nv04: Fix OOB access
 - nv50: Disable AUX bus for disconnected DP ports
 - nvkm: Fix instmem race condition
 
 panel:
 - Don't unregister DSI devices in several drivers
 
 v3d:
 - Fix enabled_ns increment
 
 xe:
 - Fix bo leak on error path during fb init
 - Fix use-after-free due to order vm is put and destroyed
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Merge tag 'drm-fixes-2024-04-19' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Regular week of fixes, seems to be about right for this time in the
  release cycle, amdgpu, and nouveau are the main one with some
  scattered fixes otherwise.

  ttm:
   - Stop pooling cached NUMA pages

  amdgpu:
   - Fix invalid resource->start check
   - USB-C DSC fix
   - Fix a potential UAF in VA IOCTL
   - Fix visible VRAM handling during faults

  amdkfd:
   - Fix memory leak in create_process failure

  radeon:
   - Silence UBSAN warnings from variable sized arrays

  nouveau:
   - dp: Don't probe DP ports twice
   - nv04: Fix OOB access
   - nv50: Disable AUX bus for disconnected DP ports
   - nvkm: Fix instmem race condition

  panel:
   - Don't unregister DSI devices in several drivers

  v3d:
   - Fix enabled_ns increment

  xe:
   - Fix bo leak on error path during fb init
   - Fix use-after-free due to order vm is put and destroyed"

* tag 'drm-fixes-2024-04-19' of https://gitlab.freedesktop.org/drm/kernel:
  drm/radeon: silence UBSAN warning (v3)
  drm/radeon: make -fstrict-flex-arrays=3 happy
  drm/amdgpu: fix visible VRAM handling during faults
  drm/amdgpu: validate the parameters of bo mapping operations more clearly
  Revert "drm/amd/display: fix USB-C flag update after enc10 feature init"
  drm/amdkfd: Fix memory leak in create_process failure
  drm/amdgpu: remove invalid resource->start check v2
  drm/xe/vm: prevent UAF with asid based lookup
  drm/xe: Fix bo leak in intel_fb_bo_framebuffer_init
  drm/panel: novatek-nt36682e: don't unregister DSI device
  drm/panel: visionox-rm69299: don't unregister DSI device
  drm/nouveau/dp: Don't probe eDP ports twice harder
  drm/nouveau/kms/nv50-: Disable AUX bus for disconnected DP ports
  drm/v3d: Don't increment `enabled_ns` twice
  drm/vmwgfx: Sort primary plane formats by order of preference
  drm/vmwgfx: Fix crtc's atomic check conditional
  drm/vmwgfx: Fix prime import/export
  drm/ttm: stop pooling cached NUMA pages v2
  drm: nv04: Fix out of bounds access
  nouveau: fix instmem race condition around ptr stores
This commit is contained in:
Linus Torvalds 2024-04-19 09:21:25 -07:00
commit ce944f3f97
30 changed files with 326 additions and 178 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -819,7 +819,7 @@ retry:
p->bytes_moved += ctx.bytes_moved;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
amdgpu_bo_in_cpu_visible_vram(bo))
amdgpu_res_cpu_visible(adev, bo->tbo.resource))
p->bytes_moved_vis += ctx.bytes_moved;
if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {

22
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -617,8 +617,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
return r;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
bo->tbo.resource->mem_type == TTM_PL_VRAM &&
amdgpu_bo_in_cpu_visible_vram(bo))
amdgpu_res_cpu_visible(adev, bo->tbo.resource))
amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
ctx.bytes_moved);
else
@ -1272,23 +1271,25 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict)
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct ttm_resource *res = bo->tbo.resource;
uint64_t size = amdgpu_bo_size(bo);
struct drm_gem_object *obj;
unsigned int domain;
bool shared;
/* Abort if the BO doesn't currently have a backing store */
if (!bo->tbo.resource)
if (!res)
return;
obj = &bo->tbo.base;
shared = drm_gem_object_is_shared_for_memory_stats(obj);
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
domain = amdgpu_mem_type_to_domain(res->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
stats->vram += size;
if (amdgpu_bo_in_cpu_visible_vram(bo))
if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
stats->visible_vram += size;
if (shared)
stats->vram_shared += size;
@ -1389,10 +1390,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* Remember that this BO was accessed by the CPU */
abo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
if (bo->resource->mem_type != TTM_PL_VRAM)
return 0;
if (amdgpu_bo_in_cpu_visible_vram(abo))
if (amdgpu_res_cpu_visible(adev, bo->resource))
return 0;
/* Can't move a pinned BO to visible VRAM */
@ -1415,7 +1413,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* this should never happen */
if (bo->resource->mem_type == TTM_PL_VRAM &&
!amdgpu_bo_in_cpu_visible_vram(abo))
!amdgpu_res_cpu_visible(adev, bo->resource))
return VM_FAULT_SIGBUS;
ttm_bo_move_to_lru_tail_unlocked(bo);
@ -1579,6 +1577,7 @@ uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
*/
u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct dma_buf_attachment *attachment;
struct dma_buf *dma_buf;
const char *placement;
@ -1587,10 +1586,11 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
if (dma_resv_trylock(bo->tbo.base.resv)) {
unsigned int domain;
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
if (amdgpu_bo_in_cpu_visible_vram(bo))
if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
placement = "VRAM VISIBLE";
else
placement = "VRAM";

22
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -250,28 +250,6 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
}
/**
* amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
*/
static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct amdgpu_res_cursor cursor;
if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM)
return false;
amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
while (cursor.remaining) {
if (cursor.start < adev->gmc.visible_vram_size)
return true;
amdgpu_res_next(&cursor, cursor.size);
}
return false;
}
/**
* amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
*/

77
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -133,7 +133,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
} else if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
!(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) &&
amdgpu_bo_in_cpu_visible_vram(abo)) {
amdgpu_res_cpu_visible(adev, bo->resource)) {
/* Try evicting to the CPU inaccessible part of VRAM
* first, but only set GTT as busy placement, so this
@ -403,40 +403,55 @@ error:
return r;
}
/**
* amdgpu_res_cpu_visible - Check that resource can be accessed by CPU
* @adev: amdgpu device
* @res: the resource to check
*
* Returns: true if the full resource is CPU visible, false otherwise.
*/
bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
struct ttm_resource *res)
{
struct amdgpu_res_cursor cursor;
if (!res)
return false;
if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
res->mem_type == AMDGPU_PL_PREEMPT)
return true;
if (res->mem_type != TTM_PL_VRAM)
return false;
amdgpu_res_first(res, 0, res->size, &cursor);
while (cursor.remaining) {
if ((cursor.start + cursor.size) >= adev->gmc.visible_vram_size)
return false;
amdgpu_res_next(&cursor, cursor.size);
}
return true;
}
/*
* amdgpu_mem_visible - Check that memory can be accessed by ttm_bo_move_memcpy
* amdgpu_res_copyable - Check that memory can be accessed by ttm_bo_move_memcpy
*
* Called by amdgpu_bo_move()
*/
static bool amdgpu_mem_visible(struct amdgpu_device *adev,
struct ttm_resource *mem)
static bool amdgpu_res_copyable(struct amdgpu_device *adev,
struct ttm_resource *mem)
{
u64 mem_size = (u64)mem->size;
struct amdgpu_res_cursor cursor;
u64 end;
if (mem->mem_type == TTM_PL_SYSTEM ||
mem->mem_type == TTM_PL_TT)
return true;
if (mem->mem_type != TTM_PL_VRAM)
if (!amdgpu_res_cpu_visible(adev, mem))
return false;
amdgpu_res_first(mem, 0, mem_size, &cursor);
end = cursor.start + cursor.size;
while (cursor.remaining) {
amdgpu_res_next(&cursor, cursor.size);
/* ttm_resource_ioremap only supports contiguous memory */
if (mem->mem_type == TTM_PL_VRAM &&
!(mem->placement & TTM_PL_FLAG_CONTIGUOUS))
return false;
if (!cursor.remaining)
break;
/* ttm_resource_ioremap only supports contiguous memory */
if (end != cursor.start)
return false;
end = cursor.start + cursor.size;
}
return end <= adev->gmc.visible_vram_size;
return true;
}
/*
@ -529,8 +544,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
if (r) {
/* Check that all memory is CPU accessible */
if (!amdgpu_mem_visible(adev, old_mem) ||
!amdgpu_mem_visible(adev, new_mem)) {
if (!amdgpu_res_copyable(adev, old_mem) ||
!amdgpu_res_copyable(adev, new_mem)) {
pr_err("Move buffer fallback to memcpy unavailable\n");
return r;
}
@ -557,7 +572,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
struct ttm_resource *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
size_t bus_size = (size_t)mem->size;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
@ -568,9 +582,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
break;
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
/* check if it's visible */
if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size)
return -EINVAL;
if (adev->mman.aper_base_kaddr &&
mem->placement & TTM_PL_FLAG_CONTIGUOUS)

3
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
View File

@ -139,6 +139,9 @@ int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr,
uint64_t start);
bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
struct ttm_resource *res);
int amdgpu_ttm_init(struct amdgpu_device *adev);
void amdgpu_ttm_fini(struct amdgpu_device *adev);
void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,

72
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -1613,6 +1613,37 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
trace_amdgpu_vm_bo_map(bo_va, mapping);
}
/* Validate operation parameters to prevent potential abuse */
static int amdgpu_vm_verify_parameters(struct amdgpu_device *adev,
struct amdgpu_bo *bo,
uint64_t saddr,
uint64_t offset,
uint64_t size)
{
uint64_t tmp, lpfn;
if (saddr & AMDGPU_GPU_PAGE_MASK
|| offset & AMDGPU_GPU_PAGE_MASK
|| size & AMDGPU_GPU_PAGE_MASK)
return -EINVAL;
if (check_add_overflow(saddr, size, &tmp)
|| check_add_overflow(offset, size, &tmp)
|| size == 0 /* which also leads to end < begin */)
return -EINVAL;
/* make sure object fit at this offset */
if (bo && offset + size > amdgpu_bo_size(bo))
return -EINVAL;
/* Ensure last pfn not exceed max_pfn */
lpfn = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
if (lpfn >= adev->vm_manager.max_pfn)
return -EINVAL;
return 0;
}
/**
* amdgpu_vm_bo_map - map bo inside a vm
*
@ -1639,21 +1670,14 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
struct amdgpu_bo *bo = bo_va->base.bo;
struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
int r;
/* validate the parameters */
if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
return -EINVAL;
if (saddr + size <= saddr || offset + size <= offset)
return -EINVAL;
/* make sure object fit at this offset */
eaddr = saddr + size - 1;
if ((bo && offset + size > amdgpu_bo_size(bo)) ||
(eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
return -EINVAL;
r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
if (r)
return r;
saddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr);
if (tmp) {
@ -1706,17 +1730,9 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
uint64_t eaddr;
int r;
/* validate the parameters */
if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
return -EINVAL;
if (saddr + size <= saddr || offset + size <= offset)
return -EINVAL;
/* make sure object fit at this offset */
eaddr = saddr + size - 1;
if ((bo && offset + size > amdgpu_bo_size(bo)) ||
(eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
return -EINVAL;
r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
if (r)
return r;
/* Allocate all the needed memory */
mapping = kmalloc(sizeof(*mapping), GFP_KERNEL);
@ -1730,7 +1746,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
}
saddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
mapping->start = saddr;
mapping->last = eaddr;
@ -1817,10 +1833,14 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *before, *after, *tmp, *next;
LIST_HEAD(removed);
uint64_t eaddr;
int r;
r = amdgpu_vm_verify_parameters(adev, NULL, saddr, 0, size);
if (r)
return r;
eaddr = saddr + size - 1;
saddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr /= AMDGPU_GPU_PAGE_SIZE;
eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
/* Allocate all the needed memory */
before = kzalloc(sizeof(*before), GFP_KERNEL);

4
drivers/gpu/drm/amd/amdkfd/kfd_process.c
View File

@ -819,9 +819,9 @@ struct kfd_process *kfd_create_process(struct task_struct *thread)
mutex_lock(&kfd_processes_mutex);
if (kfd_is_locked()) {
mutex_unlock(&kfd_processes_mutex);
pr_debug("KFD is locked! Cannot create process");
return ERR_PTR(-EINVAL);
process = ERR_PTR(-EINVAL);
goto out;
}
/* A prior open of /dev/kfd could have already created the process. */

8
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
View File

@ -248,14 +248,12 @@ void dcn32_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
enc10->base.features = *enc_features;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
enc10->base.transmitter = init_data->transmitter;

4
drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
View File

@ -184,6 +184,8 @@ void dcn35_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
@ -238,8 +240,6 @@ void dcn35_link_encoder_construct(
}
enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
if (bp_funcs->get_connector_speed_cap_info)
result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios,

13
drivers/gpu/drm/nouveau/nouveau_bios.c
View File

@ -23,6 +23,7 @@
*/
#include "nouveau_drv.h"
#include "nouveau_bios.h"
#include "nouveau_reg.h"
#include "dispnv04/hw.h"
#include "nouveau_encoder.h"
@ -1677,7 +1678,7 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
*/
if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) {
if (*conn == 0xf2005014 && *conf == 0xffffffff) {
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1);
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, DCB_OUTPUT_B);
return false;
}
}
@ -1763,26 +1764,26 @@ fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios)
#ifdef __powerpc__
/* Apple iMac G4 NV17 */
if (of_machine_is_compatible("PowerMac4,5")) {
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1);
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2);
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, DCB_OUTPUT_B);
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, DCB_OUTPUT_C);
return;
}
#endif
/* Make up some sane defaults */
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG,
bios->legacy.i2c_indices.crt, 1, 1);
bios->legacy.i2c_indices.crt, 1, DCB_OUTPUT_B);
if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0)
fabricate_dcb_output(dcb, DCB_OUTPUT_TV,
bios->legacy.i2c_indices.tv,
all_heads, 0);
all_heads, DCB_OUTPUT_A);
else if (bios->tmds.output0_script_ptr ||
bios->tmds.output1_script_ptr)
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS,
bios->legacy.i2c_indices.panel,
all_heads, 1);
all_heads, DCB_OUTPUT_B);
}
static int

23
drivers/gpu/drm/nouveau/nouveau_dp.c
View File

@ -225,12 +225,18 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
u8 *dpcd = nv_encoder->dp.dpcd;
int ret = NOUVEAU_DP_NONE, hpd;
/* If we've already read the DPCD on an eDP device, we don't need to
* reread it as it won't change
/* eDP ports don't support hotplugging - so there's no point in probing eDP ports unless we
* haven't probed them once before.
*/
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP &&
dpcd[DP_DPCD_REV] != 0)
return NOUVEAU_DP_SST;
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
if (connector->status == connector_status_connected)
return NOUVEAU_DP_SST;
else if (connector->status == connector_status_disconnected)
return NOUVEAU_DP_NONE;
}
// Ensure that the aux bus is enabled for probing
drm_dp_dpcd_set_powered(&nv_connector->aux, true);
mutex_lock(&nv_encoder->dp.hpd_irq_lock);
if (mstm) {
@ -293,6 +299,13 @@ out:
if (mstm && !mstm->suspended && ret != NOUVEAU_DP_MST)
nv50_mstm_remove(mstm);
/* GSP doesn't like when we try to do aux transactions on a port it considers disconnected,
* and since we don't really have a usecase for that anyway - just disable the aux bus here
* if we've decided the connector is disconnected
*/
if (ret == NOUVEAU_DP_NONE)
drm_dp_dpcd_set_powered(&nv_connector->aux, false);
mutex_unlock(&nv_encoder->dp.hpd_irq_lock);
return ret;
}

7
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
View File

@ -222,8 +222,11 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
void __iomem *map = NULL;
/* Already mapped? */
if (refcount_inc_not_zero(&iobj->maps))
if (refcount_inc_not_zero(&iobj->maps)) {
/* read barrier match the wmb on refcount set */
smp_rmb();
return iobj->map;
}
/* Take the lock, and re-check that another thread hasn't
* already mapped the object in the meantime.
@ -250,6 +253,8 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
iobj->base.memory.ptrs = &nv50_instobj_fast;
else
iobj->base.memory.ptrs = &nv50_instobj_slow;
/* barrier to ensure the ptrs are written before refcount is set */
smp_wmb();
refcount_set(&iobj->maps, 1);
}

2
drivers/gpu/drm/panel/panel-novatek-nt36672e.c
View File

@ -614,8 +614,6 @@ static void nt36672e_panel_remove(struct mipi_dsi_device *dsi)
struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
mipi_dsi_device_unregister(ctx->dsi);
drm_panel_remove(&ctx->panel);
}

2
drivers/gpu/drm/panel/panel-visionox-rm69299.c
View File

@ -253,8 +253,6 @@ static void visionox_rm69299_remove(struct mipi_dsi_device *dsi)
struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
mipi_dsi_device_unregister(ctx->dsi);
drm_panel_remove(&ctx->panel);
}

10
drivers/gpu/drm/radeon/pptable.h
View File

@ -424,7 +424,7 @@ typedef struct _ATOM_PPLIB_SUMO_CLOCK_INFO{
typedef struct _ATOM_PPLIB_STATE_V2
{
//number of valid dpm levels in this state; Driver uses it to calculate the whole
//size of the state: sizeof(ATOM_PPLIB_STATE_V2) + (ucNumDPMLevels - 1) * sizeof(UCHAR)
//size of the state: struct_size(ATOM_PPLIB_STATE_V2, clockInfoIndex, ucNumDPMLevels)
UCHAR ucNumDPMLevels;
//a index to the array of nonClockInfos
@ -432,14 +432,14 @@ typedef struct _ATOM_PPLIB_STATE_V2
/**
* Driver will read the first ucNumDPMLevels in this array
*/
UCHAR clockInfoIndex[1];
UCHAR clockInfoIndex[] __counted_by(ucNumDPMLevels);
} ATOM_PPLIB_STATE_V2;
typedef struct _StateArray{
//how many states we have
UCHAR ucNumEntries;
ATOM_PPLIB_STATE_V2 states[1];
ATOM_PPLIB_STATE_V2 states[] __counted_by(ucNumEntries);
}StateArray;
@ -450,7 +450,7 @@ typedef struct _ClockInfoArray{
//sizeof(ATOM_PPLIB_CLOCK_INFO)
UCHAR ucEntrySize;
UCHAR clockInfo[1];
UCHAR clockInfo[] __counted_by(ucNumEntries);
}ClockInfoArray;
typedef struct _NonClockInfoArray{
@ -460,7 +460,7 @@ typedef struct _NonClockInfoArray{
//sizeof(ATOM_PPLIB_NONCLOCK_INFO)
UCHAR ucEntrySize;
ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[1];
ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[] __counted_by(ucNumEntries);
}NonClockInfoArray;
typedef struct _ATOM_PPLIB_Clock_Voltage_Dependency_Record

8
drivers/gpu/drm/radeon/radeon_atombios.c
View File

@ -923,8 +923,12 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
for (i = 0; i < max_device; i++) {
ATOM_CONNECTOR_INFO_I2C ci =
supported_devices->info.asConnInfo[i];
ATOM_CONNECTOR_INFO_I2C ci;
if (frev > 1)
ci = supported_devices->info_2d1.asConnInfo[i];
else
ci = supported_devices->info.asConnInfo[i];
bios_connectors[i].valid = false;

38
drivers/gpu/drm/ttm/ttm_pool.c
View File

@ -288,17 +288,23 @@ static struct ttm_pool_type *ttm_pool_select_type(struct ttm_pool *pool,
enum ttm_caching caching,
unsigned int order)
{
if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE)
if (pool->use_dma_alloc)
return &pool->caching[caching].orders[order];
#ifdef CONFIG_X86
switch (caching) {
case ttm_write_combined:
if (pool->nid != NUMA_NO_NODE)
return &pool->caching[caching].orders[order];
if (pool->use_dma32)
return &global_dma32_write_combined[order];
return &global_write_combined[order];
case ttm_uncached:
if (pool->nid != NUMA_NO_NODE)
return &pool->caching[caching].orders[order];
if (pool->use_dma32)
return &global_dma32_uncached[order];
@ -566,11 +572,17 @@ void ttm_pool_init(struct ttm_pool *pool, struct device *dev,
pool->use_dma_alloc = use_dma_alloc;
pool->use_dma32 = use_dma32;
if (use_dma_alloc || nid != NUMA_NO_NODE) {
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
for (j = 0; j < NR_PAGE_ORDERS; ++j)
ttm_pool_type_init(&pool->caching[i].orders[j],
pool, i, j);
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
for (j = 0; j < NR_PAGE_ORDERS; ++j) {
struct ttm_pool_type *pt;
/* Initialize only pool types which are actually used */
pt = ttm_pool_select_type(pool, i, j);
if (pt != &pool->caching[i].orders[j])
continue;
ttm_pool_type_init(pt, pool, i, j);
}
}
}
EXPORT_SYMBOL(ttm_pool_init);
@ -599,10 +611,16 @@ void ttm_pool_fini(struct ttm_pool *pool)
{
unsigned int i, j;
if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE) {
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
for (j = 0; j < NR_PAGE_ORDERS; ++j)
ttm_pool_type_fini(&pool->caching[i].orders[j]);
for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
for (j = 0; j < NR_PAGE_ORDERS; ++j) {
struct ttm_pool_type *pt;
pt = ttm_pool_select_type(pool, i, j);
if (pt != &pool->caching[i].orders[j])
continue;
ttm_pool_type_fini(pt);
}
}
/* We removed the pool types from the LRU, but we need to also make sure

4
drivers/gpu/drm/v3d/v3d_irq.c
View File

@ -105,7 +105,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->bin_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_BIN];
file->enabled_ns[V3D_BIN] += local_clock() - file->start_ns[V3D_BIN];
file->jobs_sent[V3D_BIN]++;
v3d->queue[V3D_BIN].jobs_sent++;
@ -126,7 +125,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->render_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_RENDER];
file->enabled_ns[V3D_RENDER] += local_clock() - file->start_ns[V3D_RENDER];
file->jobs_sent[V3D_RENDER]++;
v3d->queue[V3D_RENDER].jobs_sent++;
@ -147,7 +145,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->csd_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_CSD];
file->enabled_ns[V3D_CSD] += local_clock() - file->start_ns[V3D_CSD];
file->jobs_sent[V3D_CSD]++;
v3d->queue[V3D_CSD].jobs_sent++;
@ -195,7 +192,6 @@ v3d_hub_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->tfu_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_TFU];
file->enabled_ns[V3D_TFU] += local_clock() - file->start_ns[V3D_TFU];
file->jobs_sent[V3D_TFU]++;
v3d->queue[V3D_TFU].jobs_sent++;

35
drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
View File

@ -456,8 +456,10 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
.no_wait_gpu = false
};
u32 j, initial_line = dst_offset / dst_stride;
struct vmw_bo_blit_line_data d;
struct vmw_bo_blit_line_data d = {0};
int ret = 0;
struct page **dst_pages = NULL;
struct page **src_pages = NULL;
/* Buffer objects need to be either pinned or reserved: */
if (!(dst->pin_count))
@ -477,12 +479,35 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
return ret;
}
if (!src->ttm->pages && src->ttm->sg) {
src_pages = kvmalloc_array(src->ttm->num_pages,
sizeof(struct page *), GFP_KERNEL);
if (!src_pages)
return -ENOMEM;
ret = drm_prime_sg_to_page_array(src->ttm->sg, src_pages,
src->ttm->num_pages);
if (ret)
goto out;
}
if (!dst->ttm->pages && dst->ttm->sg) {
dst_pages = kvmalloc_array(dst->ttm->num_pages,
sizeof(struct page *), GFP_KERNEL);
if (!dst_pages) {
ret = -ENOMEM;
goto out;
}
ret = drm_prime_sg_to_page_array(dst->ttm->sg, dst_pages,
dst->ttm->num_pages);
if (ret)
goto out;
}
d.mapped_dst = 0;
d.mapped_src = 0;
d.dst_addr = NULL;
d.src_addr = NULL;
d.dst_pages = dst->ttm->pages;
d.src_pages = src->ttm->pages;
d.dst_pages = dst->ttm->pages ? dst->ttm->pages : dst_pages;
d.src_pages = src->ttm->pages ? src->ttm->pages : src_pages;
d.dst_num_pages = PFN_UP(dst->resource->size);
d.src_num_pages = PFN_UP(src->resource->size);
d.dst_prot = ttm_io_prot(dst, dst->resource, PAGE_KERNEL);
@ -504,6 +529,10 @@ out:
kunmap_atomic(d.src_addr);
if (d.dst_addr)
kunmap_atomic(d.dst_addr);
if (src_pages)
kvfree(src_pages);
if (dst_pages)
kvfree(dst_pages);
return ret;
}

7
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
View File

@ -377,7 +377,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
{
struct ttm_operation_ctx ctx = {
.interruptible = params->bo_type != ttm_bo_type_kernel,
.no_wait_gpu = false
.no_wait_gpu = false,
.resv = params->resv,
};
struct ttm_device *bdev = &dev_priv->bdev;
struct drm_device *vdev = &dev_priv->drm;
@ -394,8 +395,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
vmw_bo_placement_set(vmw_bo, params->domain, params->busy_domain);
ret = ttm_bo_init_reserved(bdev, &vmw_bo->tbo, params->bo_type,
&vmw_bo->placement, 0, &ctx, NULL,
NULL, destroy);
&vmw_bo->placement, 0, &ctx,
params->sg, params->resv, destroy);
if (unlikely(ret))
return ret;

2
drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
View File

@ -55,6 +55,8 @@ struct vmw_bo_params {
enum ttm_bo_type bo_type;
size_t size;
bool pin;
struct dma_resv *resv;
struct sg_table *sg;
};
/**

1
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -1628,6 +1628,7 @@ static const struct drm_driver driver = {
.prime_fd_to_handle = vmw_prime_fd_to_handle,
.prime_handle_to_fd = vmw_prime_handle_to_fd,
.gem_prime_import_sg_table = vmw_prime_import_sg_table,
.fops = &vmwgfx_driver_fops,
.name = VMWGFX_DRIVER_NAME,

3
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -1130,6 +1130,9 @@ extern int vmw_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv,
uint32_t handle, uint32_t flags,
int *prime_fd);
struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *table);
/*
* MemoryOBject management - vmwgfx_mob.c

32
drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
View File

@ -149,6 +149,38 @@ out_no_bo:
return ret;
}
struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *table)
{
int ret;
struct vmw_private *dev_priv = vmw_priv(dev);
struct drm_gem_object *gem = NULL;
struct vmw_bo *vbo;
struct vmw_bo_params params = {
.domain = (dev_priv->has_mob) ? VMW_BO_DOMAIN_SYS : VMW_BO_DOMAIN_VRAM,
.busy_domain = VMW_BO_DOMAIN_SYS,
.bo_type = ttm_bo_type_sg,
.size = attach->dmabuf->size,
.pin = false,
.resv = attach->dmabuf->resv,
.sg = table,
};
dma_resv_lock(params.resv, NULL);
ret = vmw_bo_create(dev_priv, &params, &vbo);
if (ret != 0)
goto out_no_bo;
vbo->tbo.base.funcs = &vmw_gem_object_funcs;
gem = &vbo->tbo.base;
out_no_bo:
dma_resv_unlock(params.resv);
return gem;
}
int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)

11
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -933,6 +933,7 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
struct vmw_private *vmw = vmw_priv(crtc->dev);
struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state,
crtc);
struct vmw_display_unit *du = vmw_crtc_to_du(new_state->crtc);
@ -940,9 +941,13 @@ int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
bool has_primary = new_state->plane_mask &
drm_plane_mask(crtc->primary);
/* We always want to have an active plane with an active CRTC */
if (has_primary != new_state->enable)
return -EINVAL;
/*
* This is fine in general, but broken userspace might expect
* some actual rendering so give a clue as why it's blank.
*/
if (new_state->enable && !has_primary)
drm_dbg_driver(&vmw->drm,
"CRTC without a primary plane will be blank.\n");
if (new_state->connector_mask != connector_mask &&

4
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
View File

@ -243,10 +243,10 @@ struct vmw_framebuffer_bo {
static const uint32_t __maybe_unused vmw_primary_plane_formats[] = {
DRM_FORMAT_XRGB1555,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB1555,
};
static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = {

15
drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
View File

@ -75,8 +75,12 @@ int vmw_prime_fd_to_handle(struct drm_device *dev,
int fd, u32 *handle)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
int ret = ttm_prime_fd_to_handle(tfile, fd, handle);
return ttm_prime_fd_to_handle(tfile, fd, handle);
if (ret)
ret = drm_gem_prime_fd_to_handle(dev, file_priv, fd, handle);
return ret;
}
int vmw_prime_handle_to_fd(struct drm_device *dev,
@ -85,5 +89,12 @@ int vmw_prime_handle_to_fd(struct drm_device *dev,
int *prime_fd)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
return ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
int ret;
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);
return ret;
}

44
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
View File

@ -188,13 +188,18 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
switch (dev_priv->map_mode) {
case vmw_dma_map_bind:
case vmw_dma_map_populate:
vsgt->sgt = &vmw_tt->sgt;
ret = sg_alloc_table_from_pages_segment(
&vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0,
(unsigned long)vsgt->num_pages << PAGE_SHIFT,
dma_get_max_seg_size(dev_priv->drm.dev), GFP_KERNEL);
if (ret)
goto out_sg_alloc_fail;
if (vmw_tt->dma_ttm.page_flags & TTM_TT_FLAG_EXTERNAL) {
vsgt->sgt = vmw_tt->dma_ttm.sg;
} else {
vsgt->sgt = &vmw_tt->sgt;
ret = sg_alloc_table_from_pages_segment(&vmw_tt->sgt,
vsgt->pages, vsgt->num_pages, 0,
(unsigned long)vsgt->num_pages << PAGE_SHIFT,
dma_get_max_seg_size(dev_priv->drm.dev),
GFP_KERNEL);
if (ret)
goto out_sg_alloc_fail;
}
ret = vmw_ttm_map_for_dma(vmw_tt);
if (unlikely(ret != 0))
@ -209,8 +214,9 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
return 0;
out_map_fail:
sg_free_table(vmw_tt->vsgt.sgt);
vmw_tt->vsgt.sgt = NULL;
drm_warn(&dev_priv->drm, "VSG table map failed!");
sg_free_table(vsgt->sgt);
vsgt->sgt = NULL;
out_sg_alloc_fail:
return ret;
}
@ -356,15 +362,17 @@ static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
static int vmw_ttm_populate(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
int ret;
bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
/* TODO: maybe completely drop this ? */
if (ttm_tt_is_populated(ttm))
return 0;
ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
if (external && ttm->sg)
return drm_prime_sg_to_dma_addr_array(ttm->sg,
ttm->dma_address,
ttm->num_pages);
return ret;
return ttm_pool_alloc(&bdev->pool, ttm, ctx);
}
static void vmw_ttm_unpopulate(struct ttm_device *bdev,
@ -372,6 +380,10 @@ static void vmw_ttm_unpopulate(struct ttm_device *bdev,
{
struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt,
dma_ttm);
bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
if (external)
return;
vmw_ttm_unbind(bdev, ttm);
@ -390,6 +402,7 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
{
struct vmw_ttm_tt *vmw_be;
int ret;
bool external = bo->type == ttm_bo_type_sg;
vmw_be = kzalloc(sizeof(*vmw_be), GFP_KERNEL);
if (!vmw_be)
@ -398,7 +411,10 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
vmw_be->dev_priv = vmw_priv_from_ttm(bo->bdev);
vmw_be->mob = NULL;
if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent)
if (external)
page_flags |= TTM_TT_FLAG_EXTERNAL | TTM_TT_FLAG_EXTERNAL_MAPPABLE;
if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent || external)
ret = ttm_sg_tt_init(&vmw_be->dma_ttm, bo, page_flags,
ttm_cached);
else

8
drivers/gpu/drm/xe/display/intel_fb_bo.c
View File

@ -31,7 +31,7 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
if (ret)
return ret;
goto err;
if (!(bo->flags & XE_BO_SCANOUT_BIT)) {
/*
@ -42,12 +42,16 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
*/
if (XE_IOCTL_DBG(i915, !list_empty(&bo->ttm.base.gpuva.list))) {
ttm_bo_unreserve(&bo->ttm);
return -EINVAL;
ret = -EINVAL;
goto err;
}
bo->flags |= XE_BO_SCANOUT_BIT;
}
ttm_bo_unreserve(&bo->ttm);
return 0;
err:
xe_bo_put(bo);
return ret;
}

21
drivers/gpu/drm/xe/xe_vm.c
View File

@ -1577,6 +1577,16 @@ void xe_vm_close_and_put(struct xe_vm *vm)
xe->usm.num_vm_in_fault_mode--;
else if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe->usm.num_vm_in_non_fault_mode--;
if (vm->usm.asid) {
void *lookup;
xe_assert(xe, xe->info.has_asid);
xe_assert(xe, !(vm->flags & XE_VM_FLAG_MIGRATION));
lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
xe_assert(xe, lookup == vm);
}
mutex_unlock(&xe->usm.lock);
for_each_tile(tile, xe, id)
@ -1592,24 +1602,15 @@ static void vm_destroy_work_func(struct work_struct *w)
struct xe_device *xe = vm->xe;
struct xe_tile *tile;
u8 id;
void *lookup;
/* xe_vm_close_and_put was not called? */
xe_assert(xe, !vm->size);
mutex_destroy(&vm->snap_mutex);
if (!(vm->flags & XE_VM_FLAG_MIGRATION)) {
if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe_device_mem_access_put(xe);
if (xe->info.has_asid && vm->usm.asid) {
mutex_lock(&xe->usm.lock);
lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
xe_assert(xe, lookup == vm);
mutex_unlock(&xe->usm.lock);
}
}
for_each_tile(tile, xe, id)
XE_WARN_ON(vm->pt_root[id]);