From d0a8cadffc818f51d05bc234d8da1af228bc59a3 Mon Sep 17 00:00:00 2001 From: Shubhankar Milind Sardeshpande Date: Tue, 21 Apr 2026 17:01:21 +0530 Subject: [PATCH] drm/amdgpu: Avoid reset in AMDGPU unload path for APUs with GFX V11 and higher. GFX V11 has GC block as default off IP. Every time AMDGPU driver sends a request to PMFW to unload MP1, PMFW will put GC in reset and power down the voltage.Hence, skipping reset for APUs with GFX V11 or later to avoid reset related failures. Fixes: 34355e61835e ("drm/amdgpu: Fix GFX hang on SteamDeck when amdgpu is reloaded") Reviewed-by: Alex Deucher Signed-off-by: Shubhankar Milind Sardeshpande Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 66ccf6f03a38..7aa604fd9490 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2839,8 +2839,12 @@ static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) * that checks whether the PSP is running. A solution for those issues * in the APU is to trigger a GPU reset, but this should be done during * the unload phase to avoid adding boot latency and screen flicker. + * GFX V11 has GC block as default off IP. Every time AMDGPU driver sends + * a request to PMFW to unload MP1, PMFW will put GC in reset and power down + * the voltage. Hence, skipping reset for APUs with GFX V11 or later. */ - if ((adev->flags & AMD_IS_APU) && !adev->gmc.is_app_apu) { + if ((adev->flags & AMD_IS_APU) && !adev->gmc.is_app_apu && + amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(11, 0, 0)) { r = amdgpu_asic_reset(adev); if (r) dev_err(adev->dev, "asic reset on %s failed\n", __func__);