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drm/vc4: Warn if some v3d code is run on BCM2711 

The BCM2711 has a separate driver for the v3d, and thus we can't call
into any of the driver entrypoints that rely on the v3d being there.

Let's add a bunch of checks and complain loudly if that ever happen.

Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220610115149.964394-15-maxime@cerno.tech
This commit is contained in:
Maxime Ripard 2022-06-10 13:51:49 +02:00
Родитель d19e00ee06
Коммит 30f8c74ca9
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: E3EF0D6F671851C5
11 изменённых файлов: 211 добавлений и 1 удалений
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49
drivers/gpu/drm/vc4/vc4_bo.c
Просмотреть файл

@ -248,6 +248,9 @@ void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
mutex_lock(&vc4->purgeable.lock);
list_add_tail(&bo->size_head, &vc4->purgeable.list);
vc4->purgeable.num++;
@ -259,6 +262,9 @@ static void vc4_bo_remove_from_purgeable_pool_locked(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
/* list_del_init() is used here because the caller might release
* the purgeable lock in order to acquire the madv one and update the
* madv status.
@ -387,6 +393,9 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size)
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_bo *bo;
if (WARN_ON_ONCE(vc4->is_vc5))
return ERR_PTR(-ENODEV);
bo = kzalloc(sizeof(*bo), GFP_KERNEL);
if (!bo)
return ERR_PTR(-ENOMEM);
@ -413,6 +422,9 @@ struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t unaligned_size,
struct drm_gem_cma_object *cma_obj;
struct vc4_bo *bo;
if (WARN_ON_ONCE(vc4->is_vc5))
return ERR_PTR(-ENODEV);
if (size == 0)
return ERR_PTR(-EINVAL);
@ -475,9 +487,13 @@ int vc4_bo_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_bo *bo = NULL;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
ret = vc4_dumb_fixup_args(args);
if (ret)
return ret;
@ -598,8 +614,12 @@ static void vc4_bo_cache_time_work(struct work_struct *work)
int vc4_bo_inc_usecnt(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
/* Fast path: if the BO is already retained by someone, no need to
* check the madv status.
*/
@ -634,6 +654,11 @@ int vc4_bo_inc_usecnt(struct vc4_bo *bo)
void vc4_bo_dec_usecnt(struct vc4_bo *bo)
{
struct vc4_dev *vc4 = to_vc4_dev(bo->base.base.dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
/* Fast path: if the BO is still retained by someone, no need to test
* the madv value.
*/
@ -753,6 +778,9 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
struct vc4_bo *bo = NULL;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
ret = vc4_grab_bin_bo(vc4, vc4file);
if (ret)
return ret;
@ -776,9 +804,13 @@ int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_mmap_bo *args = data;
struct drm_gem_object *gem_obj;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
gem_obj = drm_gem_object_lookup(file_priv, args->handle);
if (!gem_obj) {
DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
@ -802,6 +834,9 @@ vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
struct vc4_bo *bo = NULL;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (args->size == 0)
return -EINVAL;
@ -872,11 +907,15 @@ fail:
int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_set_tiling *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
bool t_format;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (args->flags != 0)
return -EINVAL;
@ -915,10 +954,14 @@ int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_get_tiling *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (args->flags != 0 || args->modifier != 0)
return -EINVAL;
@ -945,6 +988,9 @@ int vc4_bo_cache_init(struct drm_device *dev)
struct vc4_dev *vc4 = to_vc4_dev(dev);
int i;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
/* Create the initial set of BO labels that the kernel will
* use. This lets us avoid a bunch of string reallocation in
* the kernel's draw and BO allocation paths.
@ -1004,6 +1050,9 @@ int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
struct drm_gem_object *gem_obj;
int ret = 0, label;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!args->len)
return -EINVAL;

11
drivers/gpu/drm/vc4/vc4_drv.c
Просмотреть файл

@ -99,6 +99,9 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data,
if (args->pad != 0)
return -EINVAL;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d)
return -ENODEV;
@ -142,11 +145,16 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data,
static int vc4_open(struct drm_device *dev, struct drm_file *file)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_file *vc4file;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
vc4file = kzalloc(sizeof(*vc4file), GFP_KERNEL);
if (!vc4file)
return -ENOMEM;
vc4file->dev = vc4;
vc4_perfmon_open_file(vc4file);
file->driver_priv = vc4file;
@ -158,6 +166,9 @@ static void vc4_close(struct drm_device *dev, struct drm_file *file)
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_file *vc4file = file->driver_priv;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (vc4file->bin_bo_used)
vc4_v3d_bin_bo_put(vc4);

6
drivers/gpu/drm/vc4/vc4_drv.h
Просмотреть файл

@ -48,6 +48,8 @@ enum vc4_kernel_bo_type {
* done. This way, only events related to a specific job will be counted.
*/
struct vc4_perfmon {
struct vc4_dev *dev;
/* Tracks the number of users of the perfmon, when this counter reaches
* zero the perfmon is destroyed.
*/
@ -580,6 +582,8 @@ to_vc4_crtc_state(struct drm_crtc_state *crtc_state)
#define VC4_REG32(reg) { .name = #reg, .offset = reg }
struct vc4_exec_info {
struct vc4_dev *dev;
/* Sequence number for this bin/render job. */
uint64_t seqno;
@ -701,6 +705,8 @@ struct vc4_exec_info {
* released when the DRM file is closed should be placed here.
*/
struct vc4_file {
struct vc4_dev *dev;
struct {
struct idr idr;
struct mutex lock;

40
drivers/gpu/drm/vc4/vc4_gem.c
Просмотреть файл

@ -76,6 +76,9 @@ vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,
u32 i;
int ret = 0;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d) {
DRM_DEBUG("VC4_GET_HANG_STATE with no VC4 V3D probed\n");
return -ENODEV;
@ -386,6 +389,9 @@ vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno, uint64_t timeout_ns,
unsigned long timeout_expire;
DEFINE_WAIT(wait);
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (vc4->finished_seqno >= seqno)
return 0;
@ -468,6 +474,9 @@ vc4_submit_next_bin_job(struct drm_device *dev)
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_exec_info *exec;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
again:
exec = vc4_first_bin_job(vc4);
if (!exec)
@ -513,6 +522,9 @@ vc4_submit_next_render_job(struct drm_device *dev)
if (!exec)
return;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
/* A previous RCL may have written to one of our textures, and
* our full cache flush at bin time may have occurred before
* that RCL completed. Flush the texture cache now, but not
@ -531,6 +543,9 @@ vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec)
struct vc4_dev *vc4 = to_vc4_dev(dev);
bool was_empty = list_empty(&vc4->render_job_list);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
list_move_tail(&exec->head, &vc4->render_job_list);
if (was_empty)
vc4_submit_next_render_job(dev);
@ -997,6 +1012,9 @@ vc4_job_handle_completed(struct vc4_dev *vc4)
unsigned long irqflags;
struct vc4_seqno_cb *cb, *cb_temp;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
spin_lock_irqsave(&vc4->job_lock, irqflags);
while (!list_empty(&vc4->job_done_list)) {
struct vc4_exec_info *exec =
@ -1033,6 +1051,9 @@ int vc4_queue_seqno_cb(struct drm_device *dev,
struct vc4_dev *vc4 = to_vc4_dev(dev);
unsigned long irqflags;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
cb->func = func;
INIT_WORK(&cb->work, vc4_seqno_cb_work);
@ -1083,8 +1104,12 @@ int
vc4_wait_seqno_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_wait_seqno *args = data;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
return vc4_wait_for_seqno_ioctl_helper(dev, args->seqno,
&args->timeout_ns);
}
@ -1093,11 +1118,15 @@ int
vc4_wait_bo_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
int ret;
struct drm_vc4_wait_bo *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (args->pad != 0)
return -EINVAL;
@ -1144,6 +1173,9 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
args->shader_rec_size,
args->bo_handle_count);
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d) {
DRM_DEBUG("VC4_SUBMIT_CL with no VC4 V3D probed\n");
return -ENODEV;
@ -1167,6 +1199,7 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
DRM_ERROR("malloc failure on exec struct\n");
return -ENOMEM;
}
exec->dev = vc4;
ret = vc4_v3d_pm_get(vc4);
if (ret) {
@ -1276,6 +1309,9 @@ int vc4_gem_init(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
vc4->dma_fence_context = dma_fence_context_alloc(1);
INIT_LIST_HEAD(&vc4->bin_job_list);
@ -1321,11 +1357,15 @@ static void vc4_gem_destroy(struct drm_device *dev, void *unused)
int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_vc4_gem_madvise *args = data;
struct drm_gem_object *gem_obj;
struct vc4_bo *bo;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
switch (args->madv) {
case VC4_MADV_DONTNEED:
case VC4_MADV_WILLNEED:

16
drivers/gpu/drm/vc4/vc4_irq.c
Просмотреть файл

@ -265,6 +265,9 @@ vc4_irq_enable(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (!vc4->v3d)
return;
@ -279,6 +282,9 @@ vc4_irq_disable(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (!vc4->v3d)
return;
@ -296,8 +302,12 @@ vc4_irq_disable(struct drm_device *dev)
int vc4_irq_install(struct drm_device *dev, int irq)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (irq == IRQ_NOTCONNECTED)
return -ENOTCONN;
@ -316,6 +326,9 @@ void vc4_irq_uninstall(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
if (WARN_ON_ONCE(vc4->is_vc5))
return;
vc4_irq_disable(dev);
free_irq(vc4->irq, dev);
}
@ -326,6 +339,9 @@ void vc4_irq_reset(struct drm_device *dev)
struct vc4_dev *vc4 = to_vc4_dev(dev);
unsigned long irqflags;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
/* Acknowledge any stale IRQs. */
V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS);

4
drivers/gpu/drm/vc4/vc4_kms.c
Просмотреть файл

@ -479,8 +479,12 @@ static struct drm_framebuffer *vc4_fb_create(struct drm_device *dev,
struct drm_file *file_priv,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct drm_mode_fb_cmd2 mode_cmd_local;
if (WARN_ON_ONCE(vc4->is_vc5))
return ERR_PTR(-ENODEV);
/* If the user didn't specify a modifier, use the
* vc4_set_tiling_ioctl() state for the BO.
*/

47
drivers/gpu/drm/vc4/vc4_perfmon.c
Просмотреть файл

@ -17,13 +17,27 @@
void vc4_perfmon_get(struct vc4_perfmon *perfmon)
{
struct vc4_dev *vc4 = perfmon->dev;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (perfmon)
refcount_inc(&perfmon->refcnt);
}
void vc4_perfmon_put(struct vc4_perfmon *perfmon)
{
if (perfmon && refcount_dec_and_test(&perfmon->refcnt))
struct vc4_dev *vc4;
if (!perfmon)
return;
vc4 = perfmon->dev;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (refcount_dec_and_test(&perfmon->refcnt))
kfree(perfmon);
}
@ -32,6 +46,9 @@ void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon)
unsigned int i;
u32 mask;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (WARN_ON_ONCE(!perfmon || vc4->active_perfmon))
return;
@ -49,6 +66,9 @@ void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
{
unsigned int i;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
if (WARN_ON_ONCE(!vc4->active_perfmon ||
perfmon != vc4->active_perfmon))
return;
@ -64,8 +84,12 @@ void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id)
{
struct vc4_dev *vc4 = vc4file->dev;
struct vc4_perfmon *perfmon;
if (WARN_ON_ONCE(vc4->is_vc5))
return NULL;
mutex_lock(&vc4file->perfmon.lock);
perfmon = idr_find(&vc4file->perfmon.idr, id);
vc4_perfmon_get(perfmon);
@ -76,8 +100,14 @@ struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id)
void vc4_perfmon_open_file(struct vc4_file *vc4file)
{
struct vc4_dev *vc4 = vc4file->dev;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
mutex_init(&vc4file->perfmon.lock);
idr_init_base(&vc4file->perfmon.idr, VC4_PERFMONID_MIN);
vc4file->dev = vc4;
}
static int vc4_perfmon_idr_del(int id, void *elem, void *data)
@ -91,6 +121,11 @@ static int vc4_perfmon_idr_del(int id, void *elem, void *data)
void vc4_perfmon_close_file(struct vc4_file *vc4file)
{
struct vc4_dev *vc4 = vc4file->dev;
if (WARN_ON_ONCE(vc4->is_vc5))
return;
mutex_lock(&vc4file->perfmon.lock);
idr_for_each(&vc4file->perfmon.idr, vc4_perfmon_idr_del, NULL);
idr_destroy(&vc4file->perfmon.idr);
@ -107,6 +142,9 @@ int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
unsigned int i;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d) {
DRM_DEBUG("Creating perfmon no VC4 V3D probed\n");
return -ENODEV;
@ -127,6 +165,7 @@ int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
GFP_KERNEL);
if (!perfmon)
return -ENOMEM;
perfmon->dev = vc4;
for (i = 0; i < req->ncounters; i++)
perfmon->events[i] = req->events[i];
@ -157,6 +196,9 @@ int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_vc4_perfmon_destroy *req = data;
struct vc4_perfmon *perfmon;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d) {
DRM_DEBUG("Destroying perfmon no VC4 V3D probed\n");
return -ENODEV;
@ -182,6 +224,9 @@ int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
struct vc4_perfmon *perfmon;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (!vc4->v3d) {
DRM_DEBUG("Getting perfmon no VC4 V3D probed\n");
return -ENODEV;

4
drivers/gpu/drm/vc4/vc4_render_cl.c
Просмотреть файл

@ -593,11 +593,15 @@ vc4_rcl_render_config_surface_setup(struct vc4_exec_info *exec,
int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
struct vc4_rcl_setup setup = {0};
struct drm_vc4_submit_cl *args = exec->args;
bool has_bin = args->bin_cl_size != 0;
int ret;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
if (args->min_x_tile > args->max_x_tile ||
args->min_y_tile > args->max_y_tile) {
DRM_DEBUG("Bad render tile set (%d,%d)-(%d,%d)\n",

15
drivers/gpu/drm/vc4/vc4_v3d.c
Просмотреть файл

@ -127,6 +127,9 @@ static int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused)
int
vc4_v3d_pm_get(struct vc4_dev *vc4)
{
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
mutex_lock(&vc4->power_lock);
if (vc4->power_refcount++ == 0) {
int ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev);
@ -145,6 +148,9 @@ vc4_v3d_pm_get(struct vc4_dev *vc4)
void
vc4_v3d_pm_put(struct vc4_dev *vc4)
{
if (WARN_ON_ONCE(vc4->is_vc5))
return;
mutex_lock(&vc4->power_lock);
if (--vc4->power_refcount == 0) {
pm_runtime_mark_last_busy(&vc4->v3d->pdev->dev);
@ -172,6 +178,9 @@ int vc4_v3d_get_bin_slot(struct vc4_dev *vc4)
uint64_t seqno = 0;
struct vc4_exec_info *exec;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
try_again:
spin_lock_irqsave(&vc4->job_lock, irqflags);
slot = ffs(~vc4->bin_alloc_used);
@ -316,6 +325,9 @@ int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used)
{
int ret = 0;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
mutex_lock(&vc4->bin_bo_lock);
if (used && *used)
@ -348,6 +360,9 @@ static void bin_bo_release(struct kref *ref)
void vc4_v3d_bin_bo_put(struct vc4_dev *vc4)
{
if (WARN_ON_ONCE(vc4->is_vc5))
return;
mutex_lock(&vc4->bin_bo_lock);
kref_put(&vc4->bin_bo_kref, bin_bo_release);
mutex_unlock(&vc4->bin_bo_lock);

16
drivers/gpu/drm/vc4/vc4_validate.c
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@ -105,9 +105,13 @@ size_is_lt(uint32_t width, uint32_t height, int cpp)
struct drm_gem_cma_object *
vc4_use_bo(struct vc4_exec_info *exec, uint32_t hindex)
{
struct vc4_dev *vc4 = exec->dev;
struct drm_gem_cma_object *obj;
struct vc4_bo *bo;
if (WARN_ON_ONCE(vc4->is_vc5))
return NULL;
if (hindex >= exec->bo_count) {
DRM_DEBUG("BO index %d greater than BO count %d\n",
hindex, exec->bo_count);
@ -160,10 +164,14 @@ vc4_check_tex_size(struct vc4_exec_info *exec, struct drm_gem_cma_object *fbo,
uint32_t offset, uint8_t tiling_format,
uint32_t width, uint32_t height, uint8_t cpp)
{
struct vc4_dev *vc4 = exec->dev;
uint32_t aligned_width, aligned_height, stride, size;
uint32_t utile_w = utile_width(cpp);
uint32_t utile_h = utile_height(cpp);
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
/* The shaded vertex format stores signed 12.4 fixed point
* (-2048,2047) offsets from the viewport center, so we should
* never have a render target larger than 4096. The texture
@ -482,10 +490,14 @@ vc4_validate_bin_cl(struct drm_device *dev,
void *unvalidated,
struct vc4_exec_info *exec)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
uint32_t len = exec->args->bin_cl_size;
uint32_t dst_offset = 0;
uint32_t src_offset = 0;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
while (src_offset < len) {
void *dst_pkt = validated + dst_offset;
void *src_pkt = unvalidated + src_offset;
@ -926,9 +938,13 @@ int
vc4_validate_shader_recs(struct drm_device *dev,
struct vc4_exec_info *exec)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
uint32_t i;
int ret = 0;
if (WARN_ON_ONCE(vc4->is_vc5))
return -ENODEV;
for (i = 0; i < exec->shader_state_count; i++) {
ret = validate_gl_shader_rec(dev, exec, &exec->shader_state[i]);
if (ret)

4
drivers/gpu/drm/vc4/vc4_validate_shaders.c
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@ -778,6 +778,7 @@ vc4_handle_branch_target(struct vc4_shader_validation_state *validation_state)
struct vc4_validated_shader_info *
vc4_validate_shader(struct drm_gem_cma_object *shader_obj)
{
struct vc4_dev *vc4 = to_vc4_dev(shader_obj->base.dev);
bool found_shader_end = false;
int shader_end_ip = 0;
uint32_t last_thread_switch_ip = -3;
@ -785,6 +786,9 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj)
struct vc4_validated_shader_info *validated_shader = NULL;
struct vc4_shader_validation_state validation_state;
if (WARN_ON_ONCE(vc4->is_vc5))
return NULL;
memset(&validation_state, 0, sizeof(validation_state));
validation_state.shader = shader_obj->vaddr;
validation_state.max_ip = shader_obj->base.size / sizeof(uint64_t);