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From: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>, Jonathan Corbet <corbet@lwn.net>,
	Derek Kiernan <derek.kiernan@xilinx.com>,
	Dragan Cvetic <dragan.cvetic@xilinx.com>,
	Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
	Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>,
	Tomasz Jankowski <tomasz1.jankowski@intel.com>,
	Savo Novakovic <savox.novakovic@intel.com>
Subject: [PATCH v3 05/14] intel_gna: initialize mmu
Date: Thu, 13 May 2021 13:00:31 +0200	[thread overview]
Message-ID: <20210513110040.2268-6-maciej.kwapulinski@linux.intel.com> (raw)
In-Reply-To: <20210513110040.2268-1-maciej.kwapulinski@linux.intel.com>

From: Tomasz Jankowski <tomasz1.jankowski@intel.com>

Setup mmu in the driver with a new memory component.

Signed-off-by: Tomasz Jankowski <tomasz1.jankowski@intel.com>
Tested-by: Savo Novakovic <savox.novakovic@intel.com>
Co-Developed-by: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
Signed-off-by: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
---
 drivers/misc/intel/gna/device.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/misc/intel/gna/device.c b/drivers/misc/intel/gna/device.c
index ed7d3c0223df..50cac8139dcc 100644
--- a/drivers/misc/intel/gna/device.c
+++ b/drivers/misc/intel/gna/device.c
@@ -59,6 +59,18 @@ int gna_probe(struct device *parent, struct gna_dev_info *dev_info, void __iomem
 	bld_reg = gna_reg_read(gna_priv, GNA_MMIO_IBUFFS);
 	gna_priv->hw_info.in_buf_s = bld_reg & GENMASK(7, 0);
 
+	ret = gna_mmu_alloc(gna_priv);
+	if (ret) {
+		dev_err(parent, "mmu allocation failed\n");
+		return ret;
+
+	}
+	dev_dbg(parent, "maximum memory size %llu num pd %d\n",
+		gna_priv->info.max_hw_mem, gna_priv->info.num_pagetables);
+	dev_dbg(parent, "desc rsvd size %d mmu vamax size %d\n",
+		gna_priv->info.desc_info.rsvd_size,
+		gna_priv->info.desc_info.mmu_info.vamax_size);
+
 	mutex_init(&gna_priv->mmu_lock);
 
 	idr_init(&gna_priv->memory_idr);
-- 
2.28.0


  parent reply	other threads:[~2021-05-13 11:02 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-13 11:00 [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 01/14] intel_gna: add driver module Maciej Kwapulinski
2021-05-13 11:13   ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 02/14] intel_gna: add component of hardware operation Maciej Kwapulinski
2021-05-13 11:15   ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 03/14] intel_gna: read hardware info in the driver Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 04/14] intel_gna: add memory handling Maciej Kwapulinski
2021-05-13 11:00 ` Maciej Kwapulinski [this message]
2021-05-13 11:00 ` [PATCH v3 06/14] intel_gna: add hardware ids Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 07/14] intel_gna: add request component Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 08/14] intel_gna: implement scoring Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 09/14] intel_gna: add a work queue to process scoring requests Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 10/14] intel_gna: add interrupt handler Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 11/14] intel_gna: add ioctl handler Maciej Kwapulinski
2021-05-13 11:24   ` Greg Kroah-Hartman
2021-05-14  8:20     ` Maciej Kwapulinski
2021-05-14  8:32       ` Greg Kroah-Hartman
2021-05-24 10:43         ` Maciej Kwapulinski
2021-05-24 10:49           ` Greg Kroah-Hartman
2021-05-25  7:50             ` Maciej Kwapulinski
2021-05-13 14:16   ` Matthew Wilcox
     [not found]   ` <20210514101253.1037-1-hdanton@sina.com>
2021-05-14 15:06     ` Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 12/14] intel_gna: add a 'misc' device Maciej Kwapulinski
2021-05-13 11:18   ` Greg Kroah-Hartman
2021-05-13 17:06     ` Maciej Kwapulinski
2021-05-13 17:15       ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 13/14] intel_gna: add file operations to " Maciej Kwapulinski
2021-05-13 11:19   ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 14/14] intel_gna: add power management Maciej Kwapulinski
2021-05-14  8:34 ` [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator Greg Kroah-Hartman
2021-05-14  9:00   ` Arnd Bergmann
2021-05-17  7:40     ` Daniel Vetter
2021-05-17  8:00       ` Greg Kroah-Hartman
2021-05-17  8:49         ` Daniel Vetter
2021-05-17  8:55           ` Greg Kroah-Hartman
2021-05-17  9:12             ` Daniel Vetter
2021-05-17 18:04               ` Dave Airlie
2021-05-17 19:12       ` Thomas Zimmermann
2021-05-17 19:23         ` Alex Deucher
2021-05-17 19:39           ` Daniel Vetter
2021-05-17 19:49           ` Thomas Zimmermann
2021-05-17 20:00             ` Daniel Vetter
2021-05-17 20:15               ` Thomas Zimmermann
2021-05-17 19:32         ` Daniel Stone
2021-05-17 20:10           ` Thomas Zimmermann
2021-05-17 21:24             ` Daniel Vetter
2021-05-17 21:36             ` Dave Airlie
2021-06-16  7:38   ` Maciej Kwapulinski
2022-06-20  9:49     ` maciej.kwapulinski
2022-06-20  9:56       ` Greg KH
2022-06-20 10:08         ` Maciej Kwapulinski
2022-06-20 10:26           ` Greg KH
2022-06-25 17:25       ` Daniel Vetter
2021-05-20 11:58 ` Linus Walleij

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