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 2C01E2EF652; Tue, 12 Aug 2025 18:34:43 +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=1755023683; cv=none; b=VaZim1ihJp++9tRVDFgrCCJulsqLyf3LsLgNFS5BSJHQykkoEyzAb0wkucoWNqqKVmzUg5lCZIzaO+EtjrifOkBBtSCFmClQKqY9shvCxWW3tHxSKhGbvdhqh70uvjn1khiLidXxxY7Qh1HFm1saYcciPYM7+idrtP/s2B562CA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755023683; c=relaxed/simple; bh=5yJkOZDmgMQeUhDDXtbOoxKBZJxMdWT6d8ZYzHrZXcc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BJWTKLIVOGeVrlWzWmaUxmIetRBlyTyBCZzfBFokGhf+IBe+gHM+e/JD0I8qlmlVmUzF03CfN5NvN9FskRmajo+FvccymHe2KFJk2YTf+11lVvG0aT1SK6CbZzS7SbBJPXxJjDI4FFfU8Ioz7VLFSOkMHlXcexSc1cnt/or/Qso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=GANIsmQb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="GANIsmQb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 840A0C4CEF0; Tue, 12 Aug 2025 18:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755023683; bh=5yJkOZDmgMQeUhDDXtbOoxKBZJxMdWT6d8ZYzHrZXcc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GANIsmQbrWEopRAm/RskjHjNbVaBy363hKfcXIFN1o+QTaFP+wSVVUgbxLVl1HeID J9fYXQnvwKswAX5vUtxm3etpV54k/ji2/H9wf1sm53dXzbAltB+sCP0g69MdYeq3r2 tIUoE0RA8PBE1RHgTSSuqL3SSPl7v15ERw/MvtRg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lijo Lazar , Mangesh Gadre , Asad Kamal , Alex Deucher , Sasha Levin Subject: [PATCH 6.16 151/627] drm/amdgpu: Remove nbiov7.9 replay count reporting Date: Tue, 12 Aug 2025 19:27:26 +0200 Message-ID: <20250812173425.035689119@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812173419.303046420@linuxfoundation.org> References: <20250812173419.303046420@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lijo Lazar [ Upstream commit 0f566f0e9c614aa3d95082246f5b8c9e8a09c8b3 ] Direct pcie replay count reporting is not available on nbio v7.9. Reporting is done through firmware. Signed-off-by: Lijo Lazar Acked-by: Mangesh Gadre Reviewed-by: Asad Kamal Fixes: 50709d18f4a6 ("drm/amdgpu: Add pci replay count to nbio v7.9") Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c | 20 -------------------- 1 file changed, 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c index a376f072700d..1c22bc11c1f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c @@ -31,9 +31,6 @@ #define NPS_MODE_MASK 0x000000FFL -/* Core 0 Port 0 counter */ -#define smnPCIEP_NAK_COUNTER 0x1A340218 - static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev) { WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL, @@ -467,22 +464,6 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev) } } -static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev) -{ - u32 val, nak_r, nak_g; - - if (adev->flags & AMD_IS_APU) - return 0; - - /* Get the number of NAKs received and generated */ - val = RREG32_PCIE(smnPCIEP_NAK_COUNTER); - nak_r = val & 0xFFFF; - nak_g = val >> 16; - - /* Add the total number of NAKs, i.e the number of replays */ - return (nak_r + nak_g); -} - #define MMIO_REG_HOLE_OFFSET 0x1A000 static void nbio_v7_9_set_reg_remap(struct amdgpu_device *adev) @@ -524,7 +505,6 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = { .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode, .is_nps_switch_requested = nbio_v7_9_is_nps_switch_requested, .init_registers = nbio_v7_9_init_registers, - .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count, .set_reg_remap = nbio_v7_9_set_reg_remap, }; -- 2.39.5