From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02FB23C9FD9; Sat, 28 Feb 2026 17:39:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300391; cv=none; b=LjV5Dwt7xE42U600ncdPZ3yYRBRMc5akRXMPT8Sxkrjq2dG4IsR6cLCyhOrDCgH6UXrMRvYovL446Qi2KTaC0suDTdUHfZfviD5rFhzdC8VxbjGfZ5GX4yVawniLBe75FUet1MXDjY15gZA4wx60oM3DEarDCOMK6rKulmavcso= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300391; c=relaxed/simple; bh=amOzwzQjItQiIy9ZvowQ6ojMd3CQtr0MIAbVNTIUAj4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qtlhquNQPIhJ4vxEG3S7QzLXc7F6Z/cH8vPKiqt6QmWe+4NK24+IxW6UTMRrypiaDORkKm1kP5zDr0LbokMY/83MLm8J9gIbby9MppFvl42Iy+u+YXZk/Xlq6PBPLfhF+zdI3peQvB6da3ItCENfCzsHzSOEj9U7K532RytsYEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cSDg/mF4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cSDg/mF4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 387FAC19424; Sat, 28 Feb 2026 17:39:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300390; bh=amOzwzQjItQiIy9ZvowQ6ojMd3CQtr0MIAbVNTIUAj4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cSDg/mF4ldvhuWSMMocETZtymmtswGZ32SLCogg4NTC7Sp/5wCIpKFCf3m0mEM6z5 nC1ClTBJJtrRGcXA2rxk0WiPYM57ngVs+A28WGo8JEqkkr7mXc5Gf7FmwxmThSt/o3 DQq8eDvlKRUEBM5Y8ttlHUSas1vvVNDBcJaD/HGY1+C8YeFTzklBOH1t0Ko/1oBk69 q0xcihhi0ViyHTsSlkz9+XvJFGBkgZClVbrSNX4mzIE1l7zdARm9VIzFK6yRpjHSHt Zz/4jjMfN+6UH7M/o+miEe/CZgXZ3E6Qaud4NR0CeeOGdIYtWSW1bkPnR+OyWWsW1f dHUUs3qu4wCQQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ce Sun , Lijo Lazar , Alex Deucher , Sasha Levin Subject: [PATCH 6.19 427/844] drm/amdgpu: Adjust usleep_range in fence wait Date: Sat, 28 Feb 2026 12:25:40 -0500 Message-ID: <20260228173244.1509663-428-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Ce Sun [ Upstream commit 3ee1c72606bd2842f0f377fd4b118362af0323ae ] Tune the sleep interval in the PSP fence wait loop from 10-100us to 60-100us.This adjustment results in an overall wait window of 1.2s (60us * 20000 iterations) to 2 seconds (100us * 20000 iterations), which guarantees that we can retrieve the correct fence value Signed-off-by: Ce Sun Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 0b10497d487c3..81bdd6aaad2a1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -726,7 +726,7 @@ psp_cmd_submit_buf(struct psp_context *psp, ras_intr = amdgpu_ras_intr_triggered(); if (ras_intr) break; - usleep_range(10, 100); + usleep_range(60, 100); amdgpu_device_invalidate_hdp(psp->adev, NULL); } -- 2.51.0