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Groups > linux.debian.kernel > #92797

Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays

From Aurelien Jarno <aurel32@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays
Date 2026-05-27 22:00 +0200
Message-ID <MZsA1-8lFB-3@gated-at.bofh.it> (permalink)
References <MZqox-8kg0-1@gated-at.bofh.it> <MZqox-8kg0-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi Dominique,

On 2026-05-27 13:34, Dominique Belhachemi wrote:
> Source: linux
> Severity: wishlist
> X-Debbugs-Cc: debian-riscv@lists.debian.org
> User: debian-riscv@lists.debian.org
> Usertags: riscv64
> 
> Dear maintainer,
> 
> Please enable CMA on riscv64.
> 
>   CONFIG_CMA=y
>   CONFIG_DMA_CMA=y

Both options got enabled starting with linux 7.1~rc3-1~exp1, currently 
available in experimental. Could you please confirm that it works for 
your use case?

Thanks
Aurelien

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                     http://aurel32.net

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Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays Dominique Belhachemi <domibel@debian.org> - 2026-05-27 19:40 +0200
  Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays Aurelien Jarno <aurel32@debian.org> - 2026-05-27 22:00 +0200
    Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays Dominique Belhachemi <domibel@debian.org> - 2026-05-28 06:50 +0200
      Bug#1138060: riscv64: please enable contiguous memory allocator (CMA) support, needed for HDMI displays Aurelien Jarno <aurel32@debian.org> - 2026-05-28 23:50 +0200
  Bug#1138060: marked as done (riscv64: please enable contiguous  memory allocator (CMA) support, needed for HDMI displays) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-29 06:40 +0200

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