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drm/amdgpu: disable GFX clockgating for GC 12.1.0

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RLC fw disables GFX CGCG and CGLS on GC 12.1.0 by default, so clear the
corresponding CG flags and keep GUI idle interrupts disabled during gfx 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>
This commit is contained in:
Le Ma 2026-05-07 19:38:44 +08:00 committed by Alex Deucher
parent 23305c88fa
commit 7c00e5859b
2 changed files with 3 additions and 5 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
View File

@ -2754,9 +2754,8 @@ static int gfx_v12_1_xcc_cp_resume(struct amdgpu_device *adev, uint16_t xcc_mask
return r;
}
/* GFX CGCG and LS is set by default */
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
gfx_v12_1_xcc_enable_gui_idle_interrupt(adev, true, xcc_id);
/* GFX CGCG and LS is disabled by rlc fw */
gfx_v12_1_xcc_enable_gui_idle_interrupt(adev, false, xcc_id);
gfx_v12_1_xcc_cp_set_doorbell_range(adev, xcc_id);

3
drivers/gpu/drm/amd/amdgpu/soc_v1_0.c
View File

@ -293,8 +293,7 @@ static int soc_v1_0_common_early_init(struct amdgpu_ip_block *ip_block)
switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
case IP_VERSION(12, 1, 0):
adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
AMD_CG_SUPPORT_GFX_CGLS;
adev->cg_flags = 0;
adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
adev->external_rev_id = adev->rev_id + 0x50;
break;