add sysfs attr to read/write smartshift bias level.
document smartshift_bias sysfs attr.

V2: add attr to amdgpu_device_attrs and use attr_update (Lijo)
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

add sysfs attrs to read smartshift APU and DGPU power share.
document the sysfs device attributes.

V2: change variable/macro name for stapm power limit (Lijo)
V3: files to be exposed as sysfs device attributes (Alex)
V4: check ret value of sysfs create and remove only if created.
V5: add ss attrs in amdgpu_device_attrs and use attr_update (Lijo)
V6: all checks for ss support to be in if else if statements. (Lijo)
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Add back.

Fixes: 0cadcf7c ("drm/amd/display/dc/dce/dce_mem_input: Remove duplicate initialisation of GRPH_CONTROL__GRPH_NUM_BANKS_{SHIFT, MASK}")
Signed-off-by: Leslie Shi <Yuliang.Shi@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Merge tag 'amd-drm-next-5.14-2021-06-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-5.14-2021-06-02:

amdgpu:
- GC/MM register access macro clean up for SR-IOV
- Beige Goby updates
- W=1 Fixes
- Aldebaran fixes
- Misc display fixes
- ACPI ATCS/ATIF handling rework
- SR-IOV fixes
- RAS fixes
- 16bpc fixed point format support
- Initial smartshift support
- RV/PCO power tuning fixes for suspend/resume
- More buffer object subclassing work
- Add new INFO query for additional vbios information
- Add new placement for preemptable SG buffers

amdkfd:
- Misc fixes

radeon:
- W=1 Fixes
- Misc cleanups

UAPI:
- Add new INFO query for additional vbios information
  Useful for debugging vbios related issues.  Proposed umr patch:
  https://patchwork.freedesktop.org/patch/433297/
- 16bpc fixed point format support
  IGT test:
  https://lists.freedesktop.org/archives/igt-dev/2021-May/031507.html
  Proposed Vulkan patch:
  https://github.com/kleinerm/pal/commit/a25d4802074b13a8d5f7edc96ae45469ecbac3c4
- Add a new GEM flag which is only used internally in the kernel driver.  Userspace
  is not allowed to set it.

drm:
- 16bpc fixed point format fourcc
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210602214009.4553-1-alexander.deucher@amd.com

Merge tag 'drm-intel-gt-next-2021-05-28' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

UAPI Changes:
- Add reworked uAPI for DG1 behind CONFIG_BROKEN (Matt A, Abdiel)

Driver Changes:

- Fix for Gitlab issues #3293 and #3450:
  Avoid kernel crash on older L-shape memory machines

- Add Wa_14010733141 (VDBox SFC reset) for Gen11+ (Aditya)
- Fix crash in auto_retire active retire callback due to
  misalignment (Stephane)
- Fix overlay active retire callback alignment (Tvrtko)
- Eliminate need to align active retire callbacks (Matt A, Ville,
  Daniel)
- Program FF_MODE2 tuning value for all Gen12 platforms (Caz)
- Add Wa_14011060649 for TGL,RKL,DG1 and ADLS (Swathi)
- Create stolen memory region from local memory on DG1 (CQ)
- Place PD in LMEM on dGFX (Matt A)
- Use WC when default state object is allocated in LMEM (Venkata)
- Determine the coherent map type based on object location (Venkata)
- Use lmem physical addresses for fb_mmap() on discrete (Mohammed)
- Bypass aperture on fbdev when LMEM is available (Anusha)
- Return error value when displayable BO not in LMEM for dGFX (Mohammed)
- Do release kernel context if breadcrumb measure fails (Janusz)
- Hide modparams for compiled-out features (Tvrtko)
- Apply Wa_22010271021 for all Gen11 platforms (Caz)
- Fix unlikely ref count race in arming the watchdog timer (Tvrtko)
- Check actual RC6 enable status in PMU (Tvrtko)
- Fix a double free in gen8_preallocate_top_level_pdp (Lv)
- Use trylock in shrinker for GGTT on BSW VT-d and BXT (Maarten)
- Remove erroneous i915_is_ggtt check for
  I915_GEM_OBJECT_UNBIND_VM_TRYLOCK (Maarten)

- Convert uAPI headers to real kerneldoc (Matt A)
- Clean up kerneldoc warnings headers (Matt A, Maarten)
- Fail driver if LMEM training failed (Matt R)
- Avoid div-by-zero on Gen2 (Ville)
- Read C0DRB3/C1DRB3 as 16 bits again and add _BW suffix (Ville)
- Remove reference to struct drm_device.pdev (Thomas)
- Increase separation between GuC and execlists code (Chris, Matt B)

- Use might_alloc() (Bernard)
- Split DGFX_FEATURES from GEN12_FEATURES (Lucas)
- Deduplicate Wa_22010271021 programming on (Jose)
- Drop duplicate WaDisable4x2SubspanOptimization:hsw (Tvrtko)
- Selftest improvements (Chris, Hsin-Yi, Tvrtko)
- Shuffle around init_memory_region for stolen (Matt)
- Typo fixes (wengjianfeng)

[airlied: fix conflict with fixes in i915_active.c]
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YLCbBR22BsQ/dpJB@jlahtine-mobl.ger.corp.intel.com

Take the situation with gfxoff, the optimization may cause
corrupt CE ram contents. In addition emit_cntxcntl callback
has similar optimization which firmware can handle properly
even for power feature.
Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Add AMDGPU_INFO_VBIOS_INFO subquery id for detailed vbios info.

Provides a way for the user application to get the VBIOS
information without having to parse the binary.
It is useful for the user to be able to display in a simple way the VBIOS
version in their system if they happen to encounter an issue.

V2:
Use numeric serial.
Parse and expose vbios version string.

V3:
Remove redundant data in drm_amdgpu_info_vbios struct.

V4:
64 bit alignment in drm_amdgpu_info_vbios.

v5: squash together all the reverts, etc. (Alex)
Signed-off-by: Jiawei Gu <Jiawei.Gu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

For 16bpc display support.
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>

Remove unneeded semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm/amd/display: fix warning: ‘update_dsc_caps’ and ‘apply_dsc_policy_for_stream’ defined but not used

Fixes gcc '-Wunused-function' warning:

‘update_dsc_caps’ and ‘apply_dsc_policy_for_stream’ are only used
if 'CONFIG_DRM_AMD_DC_DCN' is defined,

however, it's defined even if 'CONFIG_DRM_AMD_DC_DCN' is not defined.
Thus gcc will report following warning
if 'CONFIG_DRM_AMD_DC_DCN' is not defined:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5572:13: warning:
‘apply_dsc_policy_for_stream’ defined but not used [-Wunused-function]

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5556:13: warning:
‘update_dsc_caps’ defined but not used [-Wunused-function]

Thus move the definition of ‘update_dsc_caps’ and
‘apply_dsc_policy_for_stream’ inside define macro to fix it.
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Local variable 'i' and 'j' will be initialized in the for loop, so
remove the redundant initialization.

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

define a new macro for_each_new_plane_in_state_reverse to replace
for_each_oldnew_plane_in_state_reverse, so that the unused variable
'old_plane_state' can be removed.

Fix gcc warning:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:10066:26: warning:
 variable ‘old_plane_state’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Instead of reading the desired 5 bytes of the actual target field,
the code was reading 8. This could result in a corrupted value if the
trailing 3 bytes were non-zero, so instead use an appropriately sized
and zero-initialized bounce buffer, and read only 5 bytes before casting
to u64.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

In the function amdgpu_uvd_cs_msg(), every branch in the switch
statement will have a return, so the code below the switch statement
will not be executed.

Eliminate the follow smatch warning:

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
ignoring unreachable code.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

This allows to tie the log message to a specific DRM device.
Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

table_freed will be always true when mapping a memory with size
bigger than 2MB. The problem is page table's entries are always
existed, but existing mapping depends on page talbe's bo, so
using a check of page table's bo existed will resolve the issue.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

the memset() and snprintf() is not necessary.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Re-adjust the function return order to avoid empty sdma version in the
sriov environment. (read amdgpu_firmware_info)
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

enable smart shift on dGPU if it is part of HG system and
the platform supports ATCS method to handle power shift.

V2: avoid psc updates in baco enter and exit (Lijo)
    fix alignment (Shashank)
V3: rebased on unified ATCS handling. (Alex)
V4: check for return value and warn on failed update (Shashank)
    return 0 if device does not support smart shift.  (Lizo)
V5: rebased on ATPX/ATCS structures global (Alex)
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Don't flush gart changes after recovering each BO instead
do it after recovering all the BOs. Flishing gart also needed
for amdgpu_ttm_alloc_gart().

v4: use containerof to retrieve adev struct.
v3: rename amdgpu_gart_tlb_flush() -> amdgpu_gart_invalidate_tlb().
v2: abstract out gart tlb flushing logic to amdgpu_gart.c
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Allocate PD/PT entries while allocating VM BOs and use that
instead of allocating those entries separately.

v2: create a new var for num entries.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Remove unused code related to shadow BO.

v2: removing shadow bo ptr from base class.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

The subclass, amdgpu_bo_vm is intended for PT/PD BOs which are also
shadowed, so switch to amdgpu_bo_vm BO for PT/PD BOs.

v4: update amdgpu_vm_update_funcs to accept amdgpu_bo_vm.
v3: simplify code.
    check also if shadow bo exist instead of checking bo only type.
v2: squash three related patches.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Add amdgpu_bo_add_to_shadow_list() to handle shadow list
additions and amdgpu_bo_shadowed() to check if a BO is shadowed.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Do the shadow bo validation in the VM code as
VM code knows/owns shadow BOs.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Add new BO subclass that will be used by amdgpu vm code.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Releasing pinned BOs is illegal now. UVD 6 was missing from:
commit 2f40801d ("drm/amdgpu: make sure we unpin the UVD BO")

Fixes: 2f40801d ("drm/amdgpu: make sure we unpin the UVD BO")
Cc: stable@vger.kernel.org
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

This patch is to retain the fine grain tuning parameters after resume for
legacy APU, it will cover Raven/Raven2/Picasso.
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Use WARN_ON() inside if-condition when possible.

v2: Squash in coding style fix (Alex)
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drm-misc-next for 5.14:

UAPI Changes:

 * Use DRM driver names for fbdev

Cross-subsystem Changes:

Core Changes:

 * Fix leaked DMA handles

 * Improve documentation around DRM_CLIENT_CAP_*

 * Cleanups

 * dp_mst: Use kHz as link-rate unit during init

 * fourcc: Remove drm_gem_format_name() and drm_format_name_buf

 * gem-cma: Fix mmap for buffers with write combining

 * ttm: Don't override pre-set vm_ops; ttm_bo_mmap() removal and cleanups

Driver Changes:

 * drm/amdgpu: Fix hot unplug during suspend; Implement mmap as GEM object
   function; Use %p4cc format-string modifier; Cleanups

 * drm/bridge: Cdns: Fix PM reference leak, Cleanups; Lt8912b: Fix Coccinelle
   warnings; Fix Kconfig dependencies; Fixes and cleanups

 * drm/hisilicon/kirin: Cleanups

 * drm/nouveau: Implement mmap as GEM object function

 * drm/radeon: Implement mmap as GEM object function

 * drm/rockchip: Remove generic drivers during init; Add scaling for RK3036
   win1; Fix missing registers for RK3066 and 3188; Add alpha support for
   RK3036, RK3066, RK3126 and RK3188; Fixes and cleanups

 * drm/simpledrm: Use %p4cc: format-string modifier

 * drm/vmwgfx: Cleanups

 * fbdev/matrox: Use modern module_init()
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YLZOKiYE6XFmE/MH@linux-uq9g.fritz.box

WARN_ON() will not kill the process so the second WARN_ON()
will try to dereference NULL pointer.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

add support to handle ATCS method for power shift control.
used to communicate dGPU device state to SBIOS.

V2: use defined acpi func for checking psc support (Lijo)
    fix alignment (Shashank)
V3: rebased on unified ATCS handling (Alex)
V4: rebased on ATPX/ATCS structures global (Alex)
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

use attr_update if its available as part of the attribute.
default_attr_update was used even if attr->attr_update is true.
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Shashank Sharma <Shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Since both sg and device type BOs have metadata buffer, free
the buffer in both cases when to destroy BOs
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Acked-by: Nirmoy Das <Nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Although the kfd_ioctl_get_dmabuf_info() still fail it will indicate
the caller right metadat_size useful for the same kfd ioctl next time.
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

The kernel versions including the following commits are referenced:

DRM_CLIENT_CAP_STEREO_3D
61d8e328 ("drm: Add a STEREO_3D capability to the SET_CLIENT_CAP ioctl")

DRM_CLIENT_CAP_UNIVERSAL_PLANES
681e7ec7 ("drm: Allow userspace to ask for universal plane list (v2)")
c7dbc6c9 ("drm: Remove command line guard for universal planes")

DRM_CLIENT_CAP_ATOMIC
88a48e29 ("drm: add atomic properties")
8b72ce15 ("drm: Always enable atomic API")

DRM_CLIENT_CAP_ASPECT_RATIO
7595bda2 ("drm: Add DRM client cap for aspect-ratio")

DRM_CLIENT_CAP_WRITEBACK_CONNECTORS
d67b6a20 ("drm: writeback: Add client capability for exposing writeback connectors")
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/434202/

Make it clear that the client is responsible for enabling ATOMIC
prior to enabling WRITEBACK_CONNECTORS. Linkify the reference to
ATOMIC.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/434200/

In the docs for DRM_CLIENT_CAP_STEREO_3D and
DRM_CLIENT_CAP_ASPECT_RATIO, reference the DRM_MODE_FLAG_* defines
that get set when the cap is enabled.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Link: https://patchwork.freedesktop.org/patch/434201/

pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210531135622.3348252-1-yukuai3@huawei.com

The Lontium bridge is including legacy header files for GPIO
but not using them. Delete the includes.

Cc: Adrien Grassein <adrien.grassein@gmail.com>
Cc: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Adren Grassein <adrien.grassein@gmail.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210529002759.468964-1-linus.walleij@linaro.org