kernel/linux.git/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.c, branch v6.19.5

drm/amdgpu: Remove unsupported xgmi versions

2025-03-14T03:10:08+00:00

XGMI v4.8.0 is not used in any SOCs. Remove the associated functions. Also, ensure get_xgmi_info callback pointer is not NULL before calling the function. Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Skip access PF-only registers on gfx10/gfxhub2_1 under SRIOV

2024-03-20T17:12:57+00:00

[Why] RLCG interface returns "out-of-range" error under SRIOV VF when accessing PF-only registers. [How] Skip access PF-only registers on gfx10/gfxhub2_1 under SRIOV. Acked-by: Alex Deucher Signed-off-by: ZhenGuo Yin Signed-off-by: Alex Deucher

drm/amdgpu: add hub->ctx_distance in setup_vmid_config

2023-10-09T20:59:06+00:00

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

2023-09-20T16:23:28+00:00

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: Fix warnings in gfxhub_v2_1.c

2023-07-10T13:02:36+00:00

Fix the below checkpatch warnings: WARNING: static const char * array should probably be static const char * const +static const char *gfxhub_client_ids[] = { WARNING: Prefer 'unsigned int' to bare use of 'unsigned' + unsigned i; WARNING: Missing a blank line after declarations + int i; + adev->gmc.VM_L2_CNTL = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL); WARNING: Missing a blank line after declarations + int i; + WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, adev->gmc.VM_L2_CNTL); WARNING: braces {} are not necessary for single statement blocks + if (!time) { + DRM_WARN("failed to wait for GRBM(EA) idle\n"); + } Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Acked-by: Christian König Signed-off-by: Alex Deucher

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

2023-06-09T13:40:03+00:00

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

2023-01-03T21:50:03+00:00

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: Remove unnecessary register program in SRIOV

2022-11-04T20:05:53+00:00

Remove unnecessary register program in SRIOV Signed-off-by: Peng Ju Zhou Acked-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: revert context to stop engine before mode2 reset

2022-08-16T22:14:31+00:00

For some hang caused by slow tests, engine cannot be stopped which may cause resume failure after reset. In this case, force halt engine by reverting context addresses Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amdgpu: save and restore gc hub regs

2022-08-16T22:14:31+00:00

Save and restore gfxhub regs as they will be reset during mode 2 Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher