[PATCH 1/2] drm/amdgpu: Enable per-queue reset for SDMA v4.4.2 on IP v9.5.0

Jesse.zhang@amd.com jesse.zhang at amd.com
Thu Apr 3 09:43:54 UTC 2025


Add support for per-queue reset on SDMA v4.4.2 when running with:
1. MEC firmware version 0xb0 or later
2. DPM indicates SDMA reset is supported

Signed-off-by: Jesse.Zhang <Jesse.zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 688a720bbbbd..9a2a5eb93763 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -2373,7 +2373,9 @@ static void sdma_v4_4_2_update_reset_mask(struct amdgpu_device *adev)
 			adev->sdma.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
 		break;
 	case IP_VERSION(9, 5, 0):
-		/*TODO: enable the queue reset flag until fw supported */
+		if ((adev->gfx.mec_fw_version >= 0xb0) && amdgpu_dpm_reset_sdma_is_supported(adev))
+			adev->sdma.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
+		break;
 	default:
 		break;
 	}
-- 
2.25.1



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