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From: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
To: Simon Ser <contact@emersion.fr>
Cc: Brian Starkey <brian.starkey@arm.com>,
	Liviu Dudau <liviu.dudau@arm.com>,
	Haneen Mohammed <hamohammed.sa@gmail.com>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] drm/vkms: Use index instead of 0 in possible crtc
Date: Tue, 18 Jun 2019 18:51:17 -0300	[thread overview]
Message-ID: <CADKXj+4R=J0mEs3hYGiMS_iK+yhAZyXi_xOg-nRMtTAvSuCz2Q@mail.gmail.com> (raw)
In-Reply-To: <WQuF2MGabt8DxA1rdWhTcZIGSaXav-5XOae4hkdkxq51gom6tklMqrfOLnyN6WSm9TY5sLXp_fxoNQhtC3E7zY9A3dLEpfZ1phdw23m0SI8=@emersion.fr>

On Tue, Jun 18, 2019 at 2:18 AM Simon Ser <contact@emersion.fr> wrote:
>
> On Tuesday, June 18, 2019 5:19 AM, Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> wrote:
> > I made the patch, but when I started to write the commit message, I just
> > realized that I did not understand why possible_crtcs should not be
> > equal zero. Why can we not use zero?
>
> Hi,
>
> possible_crtcs is a bitfield. If it's zero, it means the plane cannot
> be attached to any CRTC, which makes it rather useless.

Hi,

Thank you very much for your explanation. I'll try to finish the patch.

> Thanks,
>
> Simon



-- 

Rodrigo Siqueira
https://siqueira.tech

  reply	other threads:[~2019-06-18 21:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06 22:40 [PATCH 0/2] drm/vkms: Introduces writeback support Rodrigo Siqueira
2019-06-06 22:40 ` [PATCH 1/2] drm/vkms: Use index instead of 0 in possible crtc Rodrigo Siqueira
2019-06-07  7:39   ` Daniel Vetter
2019-06-07 14:37     ` Rodrigo Siqueira
2019-06-07 15:04       ` Daniel Vetter
2019-06-18  2:19         ` Rodrigo Siqueira
2019-06-18  5:18           ` Simon Ser
2019-06-18 21:51             ` Rodrigo Siqueira [this message]
2019-06-06 22:41 ` [PATCH 2/2] drm/vkms: Add support for writeback Rodrigo Siqueira
2019-06-07  7:48   ` Daniel Vetter
2019-06-07  7:53     ` Daniel Vetter
2019-06-07 14:58     ` Rodrigo Siqueira
2019-06-10 15:39       ` Liviu Dudau
2019-06-12 13:58         ` Rodrigo Siqueira
2019-06-07 14:17   ` Brian Starkey
2019-06-07 14:51     ` Daniel Vetter

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