From: Devarsh Thakkar <devarsht@ti.com>
To: <nm@ti.com>, <vigneshr@ti.com>, <kristo@kernel.org>,
<robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <praneeth@ti.com>, <a-bhatia1@ti.com>, <j-luthra@ti.com>,
<b-brnich@ti.com>, <detheridge@ti.com>, <p-mantena@ti.com>,
<vijayp@ti.com>, <devarsht@ti.com>
Subject: [PATCH 3/3] arm64: dts: ti: k3-am62p5-sk: Reserve 576 MiB of global CMA
Date: Thu, 13 Jun 2024 20:39:02 +0530 [thread overview]
Message-ID: <20240613150902.2173582-4-devarsht@ti.com> (raw)
In-Reply-To: <20240613150902.2173582-1-devarsht@ti.com>
From: Brandon Brnich <b-brnich@ti.com>
AM62p has different multimedia components such as Camera, Display, H264
Video Codec which uses CMA for buffer allocations. We require 576MiB for 12
channel decode-to-encode 720x480@30FPS use case.
Signed-off-by: Brandon Brnich <b-brnich@ti.com>
Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
---
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index fb980d46e304..5ef74d9f8eea 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -48,6 +48,13 @@ reserved-memory {
#size-cells = <2>;
ranges;
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x00 0x24000000>;
+ linux,cma-default;
+ };
+
secure_tfa_ddr: tfa@9e780000 {
reg = <0x00 0x9e780000 0x00 0x80000>;
no-map;
--
2.39.1
next prev parent reply other threads:[~2024-06-13 15:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-13 15:08 [PATCH 0/3] Add global CMA reserve area Devarsh Thakkar
2024-06-13 15:09 ` [PATCH 1/3] arm64: dts: ti: k3-am62x-sk-common: Reserve 128MiB of global CMA Devarsh Thakkar
2024-06-13 15:09 ` [PATCH 2/3] arm64: dts: ti: k3-am62a7-sk: Reserve 576MiB " Devarsh Thakkar
2024-06-14 17:27 ` Brandon Brnich
2024-06-13 15:09 ` Devarsh Thakkar [this message]
2024-06-14 17:04 ` [PATCH 3/3] arm64: dts: ti: k3-am62p5-sk: Reserve 576 MiB " Brandon Brnich
2024-06-21 16:14 ` Devarsh Thakkar
2024-06-14 17:58 ` [PATCH 0/3] Add global CMA reserve area Randolph Sapp
2024-06-24 16:33 ` Andrew Davis
2024-06-28 15:57 ` Devarsh Thakkar
2024-06-28 16:35 ` Randolph Sapp
2024-06-30 7:09 ` Vignesh Raghavendra
2024-07-01 14:33 ` Andrew Davis
2024-07-01 18:26 ` Randolph Sapp
2024-07-05 13:18 ` (subset)[PATCH " Vignesh Raghavendra
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