kernel/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c, branch master

drm/amdgpu/mmhub2.3: add bounds checking for cid

2026-03-17T16:18:46Z

The value should never exceed the array size as those are the only values the hardware is expected to return, but add checks anyway. Reviewed-by: Benjamin Cheng Signed-off-by: Alex Deucher (cherry picked from commit 89cd90375c19fb45138990b70e9f4ba4806f05c4) Cc: stable@vger.kernel.org

drm/amdgpu: add hub->ctx_distance in setup_vmid_config

2023-10-09T20:59:06Z

add hub->ctx_distance when read CONTEXT1_CNTL, align w/ write back operation. v2: fix coding style errors reported by checkpatch.pl (Christian) Signed-off-by: Yifan Zhang Acked-by: Christian König Reviewed-by: Lang Yu Signed-off-by: Alex Deucher

drm/amdgpu: Use function for IP version check

2023-09-20T16:23:28Z

Use an inline function for version check. Gives more flexibility to handle any format changes. Signed-off-by: Lijo Lazar Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Clean up style problems in mmhub_v2_3.c

2023-08-07T21:12:49Z

Fixes the following: ERROR: code indent should use tabs where possible WARNING: Missing a blank line after declarations WARNING: Prefer 'unsigned int' to bare use of 'unsigned' WARNING: suspect code indent for conditional statements (8, 24) + if (!(data & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | [...] + *flags |= AMD_CG_SUPPORT_MC_MGCG; Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Reviewed-by: Guchun Chen Signed-off-by: Alex Deucher

drm/amdgpu: introduce vmhub definition for multi-partition cases (v3)

2023-06-09T13:40:03Z

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 Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: rename vram_scratch into mem_scratch

2023-01-03T21:50:03Z

Rename vram_scratch into mem_scratch and allow allocating it into GTT as well. The only problem with that is that we won't have a default page for the system aperture any more. Signed-off-by: Christian König Signed-off-by: Luben Tuikov Acked-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdgpu: fix mmhub register base coding error

2022-12-06T15:18:18Z

fix MMHUB register base coding error. Fixes: ec6837591f992 ("drm/amdgpu/gmc10: program the smallK fragment size") Signed-off-by: Yang Wang Reviewed-by: Hawking Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org

drm/amdgpu: save the setting of VM_CONTEXT_CNTL

2022-05-04T13:57:22Z

MES firmware needs the setting of VM_CONTEXT_CNTL to perform vmid switch. Save the initial setting when hub initializing. Signed-off-by: Jack Xiao Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: expand cg_flags from u32 to u64

2022-04-08T21:24:24Z

With this, we can support more CG flags. Signed-off-by: Evan Quan Acked-by: Alex Deucher Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: add support for gmc10 for gc 10.3.6

2022-02-17T20:59:05Z

this patch adds support for gmc10. Signed-off-by: Yifan Zhang Reviewed-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher