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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c38
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c22
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c6
3 files changed, 39 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index f66d33e4baca..f450b69323fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -1766,34 +1766,32 @@ bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev)
return true;
}
-/* Atom needs data in little endian format
- * so swap as appropriate when copying data to
- * or from atom. Note that atom operates on
- * dw units.
+/* Atom needs data in little endian format so swap as appropriate when copying
+ * data to or from atom. Note that atom operates on dw units.
+ *
+ * Use to_le=true when sending data to atom and provide at least
+ * ALIGN(num_bytes,4) bytes in the dst buffer.
+ *
+ * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4)
+ * byes in the src buffer.
*/
void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
{
#ifdef __BIG_ENDIAN
- u8 src_tmp[20], dst_tmp[20]; /* used for byteswapping */
- u32 *dst32, *src32;
+ u32 src_tmp[5], dst_tmp[5];
int i;
+ u8 align_num_bytes = ALIGN(num_bytes, 4);
- memcpy(src_tmp, src, num_bytes);
- src32 = (u32 *)src_tmp;
- dst32 = (u32 *)dst_tmp;
if (to_le) {
- for (i = 0; i < ((num_bytes + 3) / 4); i++)
- dst32[i] = cpu_to_le32(src32[i]);
- memcpy(dst, dst_tmp, num_bytes);
+ memcpy(src_tmp, src, num_bytes);
+ for (i = 0; i < align_num_bytes / 4; i++)
+ dst_tmp[i] = cpu_to_le32(src_tmp[i]);
+ memcpy(dst, dst_tmp, align_num_bytes);
} else {
- u8 dws = num_bytes & ~3;
- for (i = 0; i < ((num_bytes + 3) / 4); i++)
- dst32[i] = le32_to_cpu(src32[i]);
- memcpy(dst, dst_tmp, dws);
- if (num_bytes % 4) {
- for (i = 0; i < (num_bytes % 4); i++)
- dst[dws+i] = dst_tmp[dws+i];
- }
+ memcpy(src_tmp, src, align_num_bytes);
+ for (i = 0; i < align_num_bytes / 4; i++)
+ dst_tmp[i] = le32_to_cpu(src_tmp[i]);
+ memcpy(dst, dst_tmp, num_bytes);
}
#else
memcpy(dst, src, num_bytes);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index f9ffe8ef0cd6..ff8efd0f8fd5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -71,19 +71,33 @@ int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
struct atom_context *ctx = adev->mode_info.atom_context;
int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
vram_usagebyfirmware);
+ struct vram_usagebyfirmware_v2_1 * firmware_usage;
+ uint32_t start_addr, size;
uint16_t data_offset;
int usage_bytes = 0;
if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
- struct vram_usagebyfirmware_v2_1 *firmware_usage =
- (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
-
+ firmware_usage = (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
DRM_DEBUG("atom firmware requested %08x %dkb fw %dkb drv\n",
le32_to_cpu(firmware_usage->start_address_in_kb),
le16_to_cpu(firmware_usage->used_by_firmware_in_kb),
le16_to_cpu(firmware_usage->used_by_driver_in_kb));
- usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) * 1024;
+ start_addr = le32_to_cpu(firmware_usage->start_address_in_kb);
+ size = le16_to_cpu(firmware_usage->used_by_firmware_in_kb);
+
+ if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
+ (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
+ ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
+ /* Firmware request VRAM reservation for SR-IOV */
+ adev->fw_vram_usage.start_offset = (start_addr &
+ (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
+ adev->fw_vram_usage.size = size << 10;
+ /* Use the default scratch size */
+ usage_bytes = 0;
+ } else {
+ usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) << 10;
+ }
}
ctx->scratch_size_bytes = 0;
if (usage_bytes == 0)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 8b4ed8a98a18..ea25164e7f4b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -369,6 +369,9 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, !kernel, NULL,
acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
+ if (unlikely(r != 0))
+ return r;
+
bytes_moved = atomic64_read(&adev->num_bytes_moved) -
initial_bytes_moved;
if (adev->mc.visible_vram_size < adev->mc.real_vram_size &&
@@ -378,9 +381,6 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
else
amdgpu_cs_report_moved_bytes(adev, bytes_moved, 0);
- if (unlikely(r != 0))
- return r;
-
if (kernel)
bo->tbo.priority = 1;