From nobody Thu Apr 9 10:52:51 2026 Received: from forward205b.mail.yandex.net (forward205b.mail.yandex.net [178.154.239.152]) (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 70B832C027E for ; Mon, 9 Mar 2026 21:01:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.152 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773090088; cv=none; b=SqX/2S1/XFJSSTKuhPRsQCU0Kkh2vxvDH0Zmq2dSgYf1v4f3nZ8Asn7Wfpcqfv8ADFJ2nntl9kY+2eYJwcAHSIdESaCBIjpLiJtU7puHUNn6+Stx4q9CeKbQ+9BZTGWndcSzYZLSqOO3kQ2Rablavt6w6kcYL8UWQs7Q669/EcY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773090088; c=relaxed/simple; bh=ndwdqa6bd2iLxTHW2zZ8bxP3iHLI/h99PAJbL9mQdAk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IFQKvV3LynGPoEj4YFTMSnrj2teAzaVxRj4uI1xQXp7/kusp+glG8OtkyKsyL4pfx7SvOhKBUTSOWj7BW9dFDXVQcGsGkcRebt3s6SF7GGJvFu+s67p9xCVhl17bjJ2jxElB7pOoW/ZN5LtkaPEah570LI5hxrKNPn7AehT9UNg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=kixF2fyp; arc=none smtp.client-ip=178.154.239.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="kixF2fyp" Received: from forward100b.mail.yandex.net (forward100b.mail.yandex.net [IPv6:2a02:6b8:c02:900:1:45:d181:d100]) by forward205b.mail.yandex.net (Yandex) with ESMTPS id AEF2D86195 for ; Mon, 09 Mar 2026 23:55:01 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-89.sas.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-89.sas.yp-c.yandex.net [IPv6:2a02:6b8:c08:ec27:0:640:5ac1:0]) by forward100b.mail.yandex.net (Yandex) with ESMTPS id B21B080790; Mon, 09 Mar 2026 23:54:54 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-89.sas.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id DsL9phmGm0U0-1820gJFB; Mon, 09 Mar 2026 23:54:53 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1773089694; bh=8Epwrrsq7LNYAHxJtynlSWzfRvuMl+7kFlXFQuGSZEk=; h=Cc:Message-ID:References:Date:In-Reply-To:Subject:To:From; b=kixF2fypLBAB7f6W8ypntrUPfkC1cp7XkBjwEeZGTSbrGdDqdJyhVgGB/aYaWHM0s RZjisHonZEF2DzvuHo/iypsaF4lghknZVH5iDf5GoSZBDy9G2+HJqkmqFvQZECY5yW E2+k3/peJuAWVZT2ELh3l+VrMhaGp0rCLDzW1JsI= Authentication-Results: mail-nwsmtp-smtp-production-main-89.sas.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: linux-kernel@vger.kernel.org Cc: dakr@kernel.org, aliceryhl@google.com, daniel.almeida@collabora.com, airlied@gmail.com, simona@ffwll.ch, =?UTF-8?q?Onur=20=C3=96zkan?= , Deborah Brouwer Subject: [PATCH v1 1/4] drm/tyr: clear reset IRQ before soft reset Date: Mon, 9 Mar 2026 23:53:16 +0300 Message-ID: <20260309205403.34390-2-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260309205403.34390-1-work@onurozkan.dev> References: <20260309205403.34390-1-work@onurozkan.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Clear RESET_COMPLETED before writing GPU_CMD_SOFT_RESET. This is also used in drivers/gpu/drm/panfrost/panfrost_gpu.c::panfrost_gpu_soft_reset and avoids seeing old reset-complete status from a previous reset. Tested-by: Deborah Brouwer Signed-off-by: Onur =C3=96zkan --- drivers/gpu/drm/tyr/driver.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs index 69eff2a9e116..f7951804e4e0 100644 --- a/drivers/gpu/drm/tyr/driver.rs +++ b/drivers/gpu/drm/tyr/driver.rs @@ -91,6 +91,8 @@ unsafe impl Send for TyrDrmDeviceData {} unsafe impl Sync for TyrDrmDeviceData {} =20 fn issue_soft_reset(dev: &Device, iomem: &Devres) -> Result { + // Clear any stale reset-complete IRQ state before issuing a new soft = reset. + regs::GPU_IRQ_CLEAR.write(dev, iomem, regs::GPU_IRQ_RAWSTAT_RESET_COMP= LETED)?; regs::GPU_CMD.write(dev, iomem, regs::GPU_CMD_SOFT_RESET)?; =20 poll::read_poll_timeout( --=20 2.51.2