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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: <qemu-devel@nongnu.org>, "Michael S . Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, <linux-cxl@vger.kernel.org>,
	<linuxarm@huawei.com>, <alex.bennee@linaro.org>,
	Marcel Apfelbaum <marcel@redhat.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	"Adam Manzanares" <a.manzanares@samsung.com>,
	Tong Zhang <ztong0001@gmail.com>,
	"Ben Widawsky" <ben.widawsky@intel.com>,
	Shameerali Kolothum Thodi  <shameerali.kolothum.thodi@huawei.com>
Subject: [PATCH] hw/cxl: Fix missing write mask for HDM decoder target list registers
Date: Tue, 31 May 2022 13:39:53 +0100	[thread overview]
Message-ID: <20220531123953.17582-1-Jonathan.Cameron@huawei.com> (raw)

Without being able to write these registers, no interleaving is possible.
More refined checks of HDM register state on commit to follow.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 hw/cxl/cxl-component-utils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c
index 7985c9bfca..993248b5c0 100644
--- a/hw/cxl/cxl-component-utils.c
+++ b/hw/cxl/cxl-component-utils.c
@@ -174,6 +174,8 @@ static void hdm_init_common(uint32_t *reg_state, uint32_t *write_msk)
         write_msk[R_CXL_HDM_DECODER0_SIZE_LO + i * 0x20] = 0xf0000000;
         write_msk[R_CXL_HDM_DECODER0_SIZE_HI + i * 0x20] = 0xffffffff;
         write_msk[R_CXL_HDM_DECODER0_CTRL + i * 0x20] = 0x13ff;
+        write_msk[R_CXL_HDM_DECODER0_TARGET_LIST_LO + i * 0x20] = 0xffffffff;
+        write_msk[R_CXL_HDM_DECODER0_TARGET_LIST_HI + i * 0x20] = 0xffffffff;
     }
 }
 
-- 
2.32.0


             reply	other threads:[~2022-05-31 12:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-31 12:39 Jonathan Cameron [this message]
2022-06-06 17:39 ` [PATCH] hw/cxl: Fix missing write mask for HDM decoder target list registers Ben Widawsky
2022-06-07 10:42   ` Jonathan Cameron

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