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drm/amdgpu: skip CG/PG for gfx during S0ix

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Not needed as the device is in gfxoff state so the CG/PG state
is handled just like it would be for gfxoff during runtime gfxoff.

This should also prevent delays on resume.

Reworked from Pratik's original patch (Alex)

Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
This commit is contained in:
Pratik Vishwakarma 2021-03-16 14:15:44 -04:00 • committed by Alex Deucher
parent 9bb735abcb
commit 10cb67eb8a
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -2371,6 +2371,10 @@ static int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
if (!adev->ip_blocks[i].status.late_initialized)
continue;
/* skip CG for GFX on S0ix */
if (adev->in_s0ix &&
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
continue;
/* skip CG for VCE/UVD, it's handled specially */
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
@ -2402,6 +2406,10 @@ static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_power
i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
if (!adev->ip_blocks[i].status.late_initialized)
continue;
/* skip PG for GFX on S0ix */
if (adev->in_s0ix &&
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
continue;
/* skip CG for VCE/UVD, it's handled specially */
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&