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authorDave Airlie <airlied@redhat.com>2022-10-21 09:56:07 +1000
committerDave Airlie <airlied@redhat.com>2022-10-21 09:56:14 +1000
commitcbc543c59e8e7c8bc8604d6ac3e18a029e3d5118 (patch)
tree1acc5f6dc68d4ff19d34e4a030456335e92b00aa
parenta4294d5c77152ba38bd6b3167a5fd1eb8a325c49 (diff)
parent72655fb942c1e3d9e71e48e87ee439abe52f3a90 (diff)
Merge tag 'drm-misc-fixes-2022-10-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.1-rc2: - Fix a buffer overflow in format_helper_test. - Set DDC pointer in drmm_connector_init. - Compiler fixes for panfrost. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/c4d05683-8ebe-93b8-d24c-d1d2c68f12c4@linux.intel.com
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c9
-rw-r--r--drivers/gpu/drm/drm_connector.c2
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_dump.c36
-rw-r--r--drivers/gpu/drm/scheduler/sched_entity.c3
-rw-r--r--drivers/gpu/drm/tests/drm_format_helper_test.c2
-rw-r--r--include/drm/gpu_scheduler.h9
-rw-r--r--include/uapi/drm/panfrost_drm.h36
7 files changed, 59 insertions, 38 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 2b0669c464f6..69e105fa41f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -116,8 +116,15 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
DMA_RESV_USAGE_BOOKKEEP);
}
- if (fence && !p->immediate)
+ if (fence && !p->immediate) {
+ /*
+ * Most hw generations now have a separate queue for page table
+ * updates, but when the queue is shared with userspace we need
+ * the extra CPU round trip to correctly flush the TLB.
+ */
+ set_bit(DRM_SCHED_FENCE_DONT_PIPELINE, &f->flags);
swap(*fence, f);
+ }
dma_fence_put(f);
return 0;
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index e3142c8142b3..61c29ce74b03 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -435,7 +435,7 @@ int drmm_connector_init(struct drm_device *dev,
if (drm_WARN_ON(dev, funcs && funcs->destroy))
return -EINVAL;
- ret = __drm_connector_init(dev, connector, funcs, connector_type, NULL);
+ ret = __drm_connector_init(dev, connector, funcs, connector_type, ddc);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/panfrost/panfrost_dump.c b/drivers/gpu/drm/panfrost/panfrost_dump.c
index 89056a1aac7d..6bd0634e2d58 100644
--- a/drivers/gpu/drm/panfrost/panfrost_dump.c
+++ b/drivers/gpu/drm/panfrost/panfrost_dump.c
@@ -63,13 +63,13 @@ static void panfrost_core_dump_header(struct panfrost_dump_iterator *iter,
{
struct panfrost_dump_object_header *hdr = iter->hdr;
- hdr->magic = cpu_to_le32(PANFROSTDUMP_MAGIC);
- hdr->type = cpu_to_le32(type);
- hdr->file_offset = cpu_to_le32(iter->data - iter->start);
- hdr->file_size = cpu_to_le32(data_end - iter->data);
+ hdr->magic = PANFROSTDUMP_MAGIC;
+ hdr->type = type;
+ hdr->file_offset = iter->data - iter->start;
+ hdr->file_size = data_end - iter->data;
iter->hdr++;
- iter->data += le32_to_cpu(hdr->file_size);
+ iter->data += hdr->file_size;
}
static void
@@ -93,8 +93,8 @@ panfrost_core_dump_registers(struct panfrost_dump_iterator *iter,
reg = panfrost_dump_registers[i] + js_as_offset;
- dumpreg->reg = cpu_to_le32(reg);
- dumpreg->value = cpu_to_le32(gpu_read(pfdev, reg));
+ dumpreg->reg = reg;
+ dumpreg->value = gpu_read(pfdev, reg);
}
panfrost_core_dump_header(iter, PANFROSTDUMP_BUF_REG, dumpreg);
@@ -106,7 +106,7 @@ void panfrost_core_dump(struct panfrost_job *job)
struct panfrost_dump_iterator iter;
struct drm_gem_object *dbo;
unsigned int n_obj, n_bomap_pages;
- __le64 *bomap, *bomap_start;
+ u64 *bomap, *bomap_start;
size_t file_size;
u32 as_nr;
int slot;
@@ -177,11 +177,11 @@ void panfrost_core_dump(struct panfrost_job *job)
* For now, we write the job identifier in the register dump header,
* so that we can decode the entire dump later with pandecode
*/
- iter.hdr->reghdr.jc = cpu_to_le64(job->jc);
- iter.hdr->reghdr.major = cpu_to_le32(PANFROSTDUMP_MAJOR);
- iter.hdr->reghdr.minor = cpu_to_le32(PANFROSTDUMP_MINOR);
- iter.hdr->reghdr.gpu_id = cpu_to_le32(pfdev->features.id);
- iter.hdr->reghdr.nbos = cpu_to_le64(job->bo_count);
+ iter.hdr->reghdr.jc = job->jc;
+ iter.hdr->reghdr.major = PANFROSTDUMP_MAJOR;
+ iter.hdr->reghdr.minor = PANFROSTDUMP_MINOR;
+ iter.hdr->reghdr.gpu_id = pfdev->features.id;
+ iter.hdr->reghdr.nbos = job->bo_count;
panfrost_core_dump_registers(&iter, pfdev, as_nr, slot);
@@ -218,27 +218,27 @@ void panfrost_core_dump(struct panfrost_job *job)
WARN_ON(!mapping->active);
- iter.hdr->bomap.data[0] = cpu_to_le32((bomap - bomap_start));
+ iter.hdr->bomap.data[0] = bomap - bomap_start;
for_each_sgtable_page(bo->base.sgt, &page_iter, 0) {
struct page *page = sg_page_iter_page(&page_iter);
if (!IS_ERR(page)) {
- *bomap++ = cpu_to_le64(page_to_phys(page));
+ *bomap++ = page_to_phys(page);
} else {
dev_err(pfdev->dev, "Panfrost Dump: wrong page\n");
- *bomap++ = ~cpu_to_le64(0);
+ *bomap++ = 0;
}
}
- iter.hdr->bomap.iova = cpu_to_le64(mapping->mmnode.start << PAGE_SHIFT);
+ iter.hdr->bomap.iova = mapping->mmnode.start << PAGE_SHIFT;
vaddr = map.vaddr;
memcpy(iter.data, vaddr, bo->base.base.size);
drm_gem_shmem_vunmap(&bo->base, &map);
- iter.hdr->bomap.valid = cpu_to_le32(1);
+ iter.hdr->bomap.valid = 1;
dump_header: panfrost_core_dump_header(&iter, PANFROSTDUMP_BUF_BO, iter.data +
bo->base.base.size);
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 6b25b2f4f5a3..6137537aaea4 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -385,7 +385,8 @@ static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity)
}
s_fence = to_drm_sched_fence(fence);
- if (s_fence && s_fence->sched == sched) {
+ if (s_fence && s_fence->sched == sched &&
+ !test_bit(DRM_SCHED_FENCE_DONT_PIPELINE, &fence->flags)) {
/*
* Fence is from the same scheduler, only need to wait for
diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
index 8d86c250c2ec..2191e57f2297 100644
--- a/drivers/gpu/drm/tests/drm_format_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
@@ -438,7 +438,7 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
iosys_map_set_vaddr(&src, xrgb8888);
drm_fb_xrgb8888_to_xrgb2101010(&dst, &result->dst_pitch, &src, &fb, &params->clip);
- buf = le32buf_to_cpu(test, buf, TEST_BUF_SIZE);
+ buf = le32buf_to_cpu(test, buf, dst_size / sizeof(u32));
KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
}
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 599855c6a672..2ae4fd62e01c 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -32,6 +32,15 @@
#define MAX_WAIT_SCHED_ENTITY_Q_EMPTY msecs_to_jiffies(1000)
+/**
+ * DRM_SCHED_FENCE_DONT_PIPELINE - Prefent dependency pipelining
+ *
+ * Setting this flag on a scheduler fence prevents pipelining of jobs depending
+ * on this fence. In other words we always insert a full CPU round trip before
+ * dependen jobs are pushed to the hw queue.
+ */
+#define DRM_SCHED_FENCE_DONT_PIPELINE DMA_FENCE_FLAG_USER_BITS
+
struct drm_gem_object;
struct drm_gpu_scheduler;
diff --git a/include/uapi/drm/panfrost_drm.h b/include/uapi/drm/panfrost_drm.h
index eac87310b348..6f93c915cc88 100644
--- a/include/uapi/drm/panfrost_drm.h
+++ b/include/uapi/drm/panfrost_drm.h
@@ -235,25 +235,29 @@ struct drm_panfrost_madvise {
#define PANFROSTDUMP_BUF_BO (PANFROSTDUMP_BUF_BOMAP + 1)
#define PANFROSTDUMP_BUF_TRAILER (PANFROSTDUMP_BUF_BO + 1)
+/*
+ * This structure is the native endianness of the dumping machine, tools can
+ * detect the endianness by looking at the value in 'magic'.
+ */
struct panfrost_dump_object_header {
- __le32 magic;
- __le32 type;
- __le32 file_size;
- __le32 file_offset;
+ __u32 magic;
+ __u32 type;
+ __u32 file_size;
+ __u32 file_offset;
union {
- struct pan_reg_hdr {
- __le64 jc;
- __le32 gpu_id;
- __le32 major;
- __le32 minor;
- __le64 nbos;
+ struct {
+ __u64 jc;
+ __u32 gpu_id;
+ __u32 major;
+ __u32 minor;
+ __u64 nbos;
} reghdr;
struct pan_bomap_hdr {
- __le32 valid;
- __le64 iova;
- __le32 data[2];
+ __u32 valid;
+ __u64 iova;
+ __u32 data[2];
} bomap;
/*
@@ -261,14 +265,14 @@ struct panfrost_dump_object_header {
* with new fields and also keep it 512-byte aligned
*/
- __le32 sizer[496];
+ __u32 sizer[496];
};
};
/* Registers object, an array of these */
struct panfrost_dump_registers {
- __le32 reg;
- __le32 value;
+ __u32 reg;
+ __u32 value;
};
#if defined(__cplusplus)