From: Lijo Lazar <lijo.lazar@amd.com>
Date: Wed, 8 Oct 2025 04:56:47 +0000 (+0530)
Subject: drm/amdgpu: Skip SDMA suspend during mode-2 reset
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4d0858d4eb28763fdbcf2e8e17dde211db83ac43;p=thirdparty%2Flinux.git

drm/amdgpu: Skip SDMA suspend during mode-2 reset

For SDMA IP versions >= v4.4.2, firmware will take care of quiescing SDMA
before mode-2 reset.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
index 9569dc16dd3da..daa7b23bc7750 100644
--- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
@@ -88,6 +88,10 @@ static int aldebaran_mode2_suspend_ip(struct amdgpu_device *adev)
 	uint32_t ip_block;
 	int r, i;
 
+	/* Skip suspend of SDMA IP versions >= 4.4.2. They are multi-aid */
+	if (adev->aid_mask)
+		ip_block_mask &= ~BIT(AMD_IP_BLOCK_TYPE_SDMA);
+
 	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
 	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);