Commit Graph

55032 Commits

Author SHA1 Message Date
Huang Rui
336a1c825e drm/amdgpu: bump smc firmware header version to v2 (v2)
This patch bumps smc firmware header version to v2 for storing soft pptable.

v2: fix the typo, and add prints for v2 header

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
9e8a163d9b drm/amd/powerplay: update smu11 driver if header for navi10 (v2)
This patch updates smu11 driver if header for navi10 to match 42.09.00 smu
firmware.

v2: clean up comments

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Kenneth Feng
827440a901 drm/amd/powerplay: enable backdoor smu fw loading (v2)
enable backdoor smu fw loading on navi10

v2: squash in define fix (Alex)

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
4009b9b589 drm/amd/powerplay: move bootup value before read pptable from vbios
In navi10, we need read the pp_table_id from bootup value, then decide whether
use load the soft pptable.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
3152865035 drm/amd/powerplay: add navi10 smc ucode init and navi10 ppt functions setting
This patch adds navi10 smc ucode init and ppt functions setting.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
2573e87074 drm/amd/powerplay: set smu v11 funcs for navi10
Naiv10 also uses smu v11 functions.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
b3490673f9 drm/amd/powerplay: introduce the navi10 pptable implementation
This patch introduces the navi10 pptable implementation, so far it is already
has firmware loading, pptable side loading, writing back to smc, and feature
mask enabling.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
980e04ec37 drm/amd/powerplay: fix the mp/smuio header for navi10
SMU11 should use mp11 and smuio11 headers.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
55f72087af drm/amd/powerplay: update smu 11 driver if header for navi10
This patch updates smu 11 driver if header for navi10.

UVD/VCE won't be used for navi10. Here, reverve them for vega20.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
dded62c71e drm/amd/powerplay: update smu v11 ppsmc header
This patch updates smu v11 ppsmc header for navi10.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Huang Rui
0a5b8c7b94 drm/amdgpu: add to set navi ip blocks
Set the IPs for navi10 in early_init like other asics.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Alex Deucher
bd1c0fdfc1 drm/amdgpu: add Navi10 pci ids
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Philip Cox
14328aa58c drm/amdkfd: Add navi10 support to amdkfd. (v3)
KFD (kernel fusion driver) is the kernel driver
for the compute backend for usermode compute
stack.

v2: squash in updates (Alex)
v3: squash in rebase fixes (Alex)

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Hawking Zhang
e0d076574e drm/amdgpu: update golden setting programming logic
Since from soc15, make sure only AndMasked bit get changed
when applied or_mask

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:24 -05:00
Hawking Zhang
6bdadb2072 drm/amdgpu: Add navi10 kfd support for amdgpu (v3)
KFD (Kernel Fusion Driver) is the compute backend driver
for AMD GPUs.

v2: squash in updates (Alex)
v3: fix warnings (Alex)

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:23 -05:00
Hawking Zhang
c6b6a42175 drm/amdgpu: add navi10 common ip block (v3)
This adds the core SOC code for navi asics.

v1: add place holder and initial basic function (Ray)
v2: add new introduced functions to avoid reference
    NULL pointer (Hawking)
v3L squash in updates (Alex)

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:23 -05:00
Hawking Zhang
44f1bb1fed drm/amdgpu: avoid to use SOC15_REG_OFFSET in static array for navi10
Move to the header file.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:23 -05:00
Hawking Zhang
a644d85a5c drm/amdgpu: add gfx v10 implementation (v10)
GFX is the graphics and compute block on the GPU.

v1: add initial gfx v10 implementation (Ray)
v2: convert to new get_vm_pde function in emit_vm_flush (Hawking)
v3: switch to new emit ib interfaces (Hawking)
v4: squash in updates (Alex)
v5: remove unused variables (Alex)
v6: v6: some golden regs moved to vbios (Alex)
v7: squash in some cleanups (Alex)
v8: squash in golden settings update (Alex)
v9: squash in whitespace fixes (Ernst Sjöstrand, Alex)
v10: squash in GDS backup size fix and GDS/GWS/OA removal rebase fixes (Hawking)

Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:59:23 -05:00
Jack Xiao
886f82aa7a drm/amdgpu/mes10.1: add ip block mes10.1 (v2)
MES takes over the scheduling capability of GFX and SDMA,
add MES as a standalone ip.

v2: squash in updates (Alex)

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Jack Xiao
5f84cc635b drm/amdgpu/mes: enable mes on navi10 and later asic
When amdgpu_mes is enabled and asic family is navi10 and
later asic, enable mes per device.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Jack Xiao
7bbc36765c drm/amdgpu/mes: add definitions of ip callback function
Abstract mes ip independent function layer.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Jack Xiao
a538bbe7a8 drm/amdgpu/mes: add mes header file and definition
Add dummy header file and definitions of mes.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Jack Xiao
384872846f drm/amdgpu/mes: add amdgpu_mes driver parameter
amdgpu_mes, which is a driver scope parameter, is used
to whether enable mes or not.

MES (Micro Engine Scheduler) is the new on chip hw scheduling
microcontroller.  It can be used to handle queue scheduling and
preemption and priorities.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
1b61de45df drm/amdgpu: add initial VCN2.0 support (v2)
VCN (Video Core Next) is the video encode/decode block.

Porting over the same functions from VCN1.0

v2: squash in updates (Alex)

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
54bb93c225 drm/amdgpu: add JPEG2.0 decode ring ib test
Add internal register offset for registers involving in ib tests

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
9085914a5a drm/amdgpu: add JPEG2.0 decode ring test
Use register from JPEG tile, the UVD tile reg won't work for JPEG

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
60a2309ec4 drm/amdgpu: add VCN2.0 decode ib test
Add internal register offset for registers involving in ib tests

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
45a1a48b5c drm/amdgpu: add VCN2.0 decode ring test
Add internal register offset for registers involving in ring tests

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Leo Liu
a8790e2475 drm/amdgpu: add Navi10 VCN firmware support
Add Navi10 to VCN family

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:22 -05:00
Hawking Zhang
fef6e24c8b drm/amdgpu: add initial support for sdma v5.0 (v6)
SDMA (System DMA) is a general purpose DMA engine usable
by UMDs for transfers or the kernel for paging or GPUVM
updates.

v1: support basic funcitonalites includes rb, ib, vm,
    copy buffer and trap irq
v2: convert to use new get_vm_pde in emit_vm_flush
v3: retire amdgpu_ttm_set_active_vram_size from sdma v5
v4: retire the redundant hdp_invalidate implementation
v5: squash in updates
v6: some golden regs moved to vbios

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Hawking Zhang
be9250fb96 drm/amdgpu: set the default value of pa_sc_tile_steering_override
So userspace can access it.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Christian König
a2bd77bbde drm/amdgpu: disable concurrent flushes for Navi10 v2
Navi10 have a bug in the SDMA which can theoretically cause memory
corruption with concurrent VMID flushes

v2: explicitely check Navi10

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
437298b833 drm/amdgpu/discovery: refactor ip list traversal
for each ip, check whether it is needed by amdgpu driver,
if yes, record its base addresses

v2: change some DRM_INFO to DRM_DEBUG
v3: remove unused variable (Alex)

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
a190d1c75c drm/amdgpu/discovery: add module param for ip discovery enablement
to control enablement.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
966f1d8fd0 drm/amdgpu/discovery: stop converting the units of base addresses
the unit is already in dword

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
6a8ee0257d drm/amdgpu/discovery: update definition for struct die_header
Update to latest spec.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
8e84aa1bf2 drm/amdgpu/discovery: stop taking psp header into account
psp will write a header to vram, but the value exposed in
RCC_CONFIG_MEMSIZE does not include the memory that this header is
written to. Therefore, the interpretation of the table does not need to
take the psp header into account.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
2de0041376 drm/amdgpu/discovery: fix hwid for nbio
Properly set this.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
85f267a707 drm/amdgpu/discovery: use hardcoded mmRCC_CONFIG_MEMSIZE
register base offset of nbio is not known before IP Discovery table is
parsed, so hardcode this value.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
70cbfe3d64 drm/amdgpu/discovery: add harvest info data table
Add support for the harvest tables.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
478586d6d5 drm/amdgpu/discovery: update definitions of table_info and binary_header
Use the proper definitions.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
987da7294b drm/amdgpu/discovery: fix calculations of some gfx info
fix gfx info table handling.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Xiaojie Yuan
f39f5bb1c9 drm/amdgpu/discovery: add ip discovery initial support
The IP discovery table lists is populated by the psp at power on
and includes all of the hw details on the board:
- List of IPs and MMIO offsets
- IP harvest details
- IP configuration details

v2: prefix struct and function names with 'amdgpu'
v3: read table binary from vram using mmMM_INDEX and mmMM_DATA
    update TABLE_BINARY_MAX_SIZE to 64kb (1 TMR)
    add 'instance_number' field per ip info
    consider endianness and replace uint8/16/32_t with u8/16/32
    initialize register base addresses
    initialize adev->gfx.config and adev->gfx.cu_info to replace gpu info fw
    get major and minor version using a single api
    don't expose internal data structures in amdgpu_discovery.h
v4: RCC_CONFIG_MEMSIZE is in MB units
    hold mmio_idx_lock while reading ip discovery binary
v5: pick out discovery.h as a cross-OS header
    do structure pointer cast directly
    consider endianness while using the member of structure
    convert base addresses to dword

at boot up, PSP BL copies ip discovery binary from VBIOS(SPIROM) image to the
top of the frame buffer (just below the reserved regions for PSP & SMU).

ip discovery data table includes the collection of each ip's identification
number, base addresses, version number, and harvest setting placeholder.

gc data table includes gfx info structure.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Jack Xiao
80f8fb9178 drm/amdgpu: mark the partial job as preempted in mcbp unit test
In mcbp unit test, the test should detect the preempted job which may
be a partial execution ib and mark it as preempted; so that the gfx
block can correctly generate PM4 frame.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Jack Xiao
6698a3d05f drm/amdgpu: add mcbp unit test in debugfs (v3)
The MCBP unit test is used to test the functionality of MCBP.
It emualtes to send preemption request and resubmit the unfinished
jobs.

v2: squash in fixes (Alex)
v3: squash in memory leak fix (Jack)

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:58:21 -05:00
Jack Xiao
43974dacb6 drm/amdgpu: program for resuming preempted ib
For new submission ib, CE/DE metadata should be programmed to 0;
for partially execution ib, CE/DE metadata should be restored.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:57:40 -05:00
Jack Xiao
ca1eb73207 drm/amdgpu/sdma: allocate CSA per sdma ring
Allocate CSA for the given sdma ring.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:57:40 -05:00
Jack Xiao
d8780dc71d drm/amdgpu: add ib preemption status in amdgpu_job (v2)
Add ib preemption status in amdgpu_job, so that ring level function
can detect preemption and program for resuming it.

v2: squash in fix to restore job->preamble_status back to status value (Jack)

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 18:57:40 -05:00
Jack Xiao
f92d5c6123 drm/amdgpu: enable the static csa when mcbp enabled
CSA is the Context Save Area for preemption.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 09:36:54 -05:00
Jack Xiao
b239c01727 drm/amdgpu: add mcbp driver parameter
Add mcbp driver parameter, so that mcbp feature can be
enabled/disabled by driver parameter.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21 09:30:52 -05:00