13 Commits

Author SHA1 Message Date
Srinivasan Shanmugam
1893549af6 drm/amdgpu: Fix uninitialized variable in gfxhub_v1_2_xcp_resume
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c:657:6: error: variable 'ret' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
        if (!amdgpu_sriov_vf(adev))
            ^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c:660:9: note: uninitialized use occurs here
        return ret;
               ^~~
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c:657:2: note: remove the 'if' if its condition is always true
        if (!amdgpu_sriov_vf(adev))
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c:648:9: note: initialize the variable 'ret' to silence this warning
        int ret;
               ^
                = 0
1 error generated.

Cc: Luben Tuikov <luben.tuikov@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Lijo Lazar <lijo.lazar@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 10:44:30 -04:00
Rajneesh Bhardwaj
7a7aaab021 drm/amdgpu: Make UTCL2 snoop CPU caches
On AMD APP APUs, to make UTCL2 snoop CPU caches, its not sufficient to
rely on xgmi connected flag so add the logic to use is_app_apu to
program the PDE_REQUEST_PHYSICAL bit correctly for gfxhub and mmhub
both.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:50:59 -04:00
Lijo Lazar
dfdd6f89c4 drm/amdgpu: Add GFXHUB v1.2 XCP funcs
Add functions required for suspend/resume of GFXHUB instances which are
part of an XCP.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:49:45 -04:00
Lijo Lazar
dd1a02e280 drm/amdgpu: Add xcc specific functions for gfxhub
GFXHUB 1.2 supports multiple XCC instances. Add XCC specific functions
to handle XCC instances separately.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:49:14 -04:00
Lijo Lazar
659a4ab8e2 drm/amdgpu: Use instance lookup table for GC 9.4.3
Register accesses need to be based on physical instance on bare metal.
Pass the right instance using logical to physical instance lookup
table before accessing registers. Add a macro GET_INST to get the right
physical instance of an IP corresponding to a logical instance.

v2: fix gfx_v9_4_3_check_rlcg_range() (Alex)

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:45:44 -04:00
Lijo Lazar
8078f1c610 drm/amdgpu: Change num_xcd to xcc_mask
Instead of number of XCCs, keep a mask of XCCs for the exact XCCs
available on the ASIC. XCC configuration could differ based on
different ASIC configs.

v2:
	Rename num_xcd to num_xcc (Hawking)
	Use smaller xcc_mask size, changed to u16 (Le)

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:44:38 -04:00
Shiwu Zhang
9eb7681f76 drm/amdgpu: add the support of XGMI link for GC 9.4.3
Add the xgmi LFB_CNTL/LBF_SIZE reg addresses to fetch the xgmi info from.

v2: move get_xgmi_info() to GC_V9_4_3 sepecific source files to utilize
the register definitions specific for GC_V9_4_3
v3: remove the duplicated register definitions
v4: enable xgmi based on asic_type as XGMI_IP ver is not available
yet for IP discovery

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Ack-by: Lijo Lazar <Lijo.Lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:44:33 -04:00
Le Ma
ed42f2cc3b drm/amdgpu: correct the vmhub reference for each XCD in gfxhub init
Correct this though the value is same across different vmhub.

Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:43:47 -04:00
Amber Lin
d255558661 drm/amdgpu: Set XNACK per process on GC 9.4.3
Set RETRY_PERMISSION_OR_INVALID_PAGE_FAULT bit in VM_CONTEXT1_CNTL
as well so XNACK can be enabled in the SQ per process.

Signed-off-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:43:26 -04:00
Le Ma
b35ce49ab9 drm/amdgpu: assign register address for vmhub object on each XCD
Each XCD has its own gfxhub.

v2: switch to the new VMHUB layout
v3: fix mistake

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:40:12 -04:00
Hawking Zhang
f4caf58426 drm/amdgpu: introduce vmhub definition for multi-partition cases (v3)
v1: Each partition has its own gfxhub or mmhub. adjust
the num of MAX_VMHUBS and the GFXHUB/MMHUB layout (Le)

v2: re-design the AMDGPU_GFXHUB/AMDGPU_MMHUB layout (Le)

v3: apply the gfxhub/mmhub layout to new IPs (Hawking)

v4: fix up gmc11 (Alex)

v5: rebase (Alex)

Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:40:03 -04:00
Le Ma
4667fbe2f7 drm/amdgpu: do gfxhub init for all XCDs
Each XCD needs to do gfxhub init

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09 09:33:47 -04:00
Le Ma
6d4496bcfe drm/amdgpu: add gfxhub v1_2 support
Hack the gc 9.0 reg offset for initial support

v2: squash in header switch (Alex)

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-03-31 11:18:43 -04:00