AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-18 16:56:09 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amdgpu:add fw-vram-usage for atomfirmware

Browse Source 
otherwise PF & VF exchange is broken

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2017-10-31 19:45:11 +08:00 committed by Alex Deucher
parent 4f626a4ac8
commit 24738d7c87
1 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -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)