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 A14B83451DA; Wed, 3 Dec 2025 16:00:11 +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=1764777611; cv=none; b=jKYcDZ1m3ObkBvmBcW+EiSGLUUqQN+n3drTultoiZhaaEvXP0YqvlLUSmNhwPHeWs5JYTcKxaOhUhr6N+dya6XdBbE9UFreCMmFUCz3dz6SneDZbpRtcuULZgCsxVBWwpsxdHZjp9AgYclMZEOQwrI+uOwKdFtc+/FAStYUhntg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777611; c=relaxed/simple; bh=JBM5lpxdFWl//mNtql0DutlbgQgGjMyrBagWEN03vSY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gVwUkNRx5075FvpmmyZuHnHuSCaxfC3bIIgOazGHW7EiOtdY5wg9OvNuGy3+gOvzQhBLZ8JUzOmHb9QVYdXNHxFPQ4cOdoz9OaTWhK9BCU7hlaRMNmHBS+he+xw6bhjaw1dBL5KeTuLvNCadm84advVgqLl+sLBg80NmaMvtmb4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=AOolqMl0; 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="AOolqMl0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23AC2C4CEF5; Wed, 3 Dec 2025 16:00:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764777611; bh=JBM5lpxdFWl//mNtql0DutlbgQgGjMyrBagWEN03vSY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AOolqMl0BmYHmlrNp+hR5t4ZRCIuECrkONDVDHA7pUDx0gwK1k80hm4zeRTdUu+/C 968zS7SVWBrJdhkqEyVy7J7Gu5VTpGM1ErgH5grdYKRrNFQIvGWFXQpF/y5jAZlbu/ +eU3tEe745TP0FRkJkPIcZLN9/JHLhUQCN6dwN1Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lijo Lazar , Asad Kamal , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 090/392] drm/amd/pm: Use cached metrics data on aldebaran Date: Wed, 3 Dec 2025 16:24:00 +0100 Message-ID: <20251203152417.416842203@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lijo Lazar [ Upstream commit e87577ef6daa0cfb10ca139c720f0c57bd894174 ] Cached metrics data validity is 1ms on aldebaran. It's not reasonable for any client to query gpu_metrics at a faster rate and constantly interrupt PMFW. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index d3389fb374c9b..94dfbdc2ea910 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -1696,7 +1696,7 @@ static ssize_t aldebaran_get_gpu_metrics(struct smu_context *smu, ret = smu_cmn_get_metrics_table(smu, &metrics, - true); + false); if (ret) return ret; -- 2.51.0