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drm/amdgpu: fix unchecked return value warning for amdgpu_gfx

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[ Upstream commit c0277b9d7c ]

This resolves the unchecded return value warning reported by Coverity.

Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tim Huang 2024-08-01 10:38:37 +08:00 committed by Greg Kroah-Hartman
parent 5e0e1a941e
commit deb78dc859
1 changed files with 14 additions and 4 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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@ -793,8 +793,11 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *r
int r;
if (amdgpu_ras_is_supported(adev, ras_block->block)) {
if (!amdgpu_persistent_edc_harvesting_supported(adev))
amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
r = amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
if (r)
return r;
}
r = amdgpu_ras_block_late_init(adev, ras_block);
if (r)
@ -938,7 +941,10 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
pr_err("critical bug! too many kiq readers\n");
goto failed_unlock;
}
amdgpu_ring_alloc(ring, 32);
r = amdgpu_ring_alloc(ring, 32);
if (r)
goto failed_unlock;
amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r)
@ -1004,7 +1010,10 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
}
spin_lock_irqsave(&kiq->ring_lock, flags);
amdgpu_ring_alloc(ring, 32);
r = amdgpu_ring_alloc(ring, 32);
if (r)
goto failed_unlock;
amdgpu_ring_emit_wreg(ring, reg, v);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r)
@ -1040,6 +1049,7 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
failed_undo:
amdgpu_ring_undo(ring);
failed_unlock:
spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq_write:
dev_err(adev->dev, "failed to write reg:%x\n", reg);