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From: Maxime Jourdan <maxi.jourdan@wanadoo.fr>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: Maxime Jourdan <maxi.jourdan@wanadoo.fr>,
	Kevin Hilman <khilman@baylibre.com>,
	linux-amlogic <linux-amlogic@lists.infradead.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] soc: amlogic: add meson-canvas driver
Date: Thu, 2 Aug 2018 15:14:30 +0200
Message-ID: <CAHStOZ4DV8FbAgzMKhnbLOOPj7Gm8+5=KxMSGL6J1D00Ejk42g@mail.gmail.com> (raw)
In-Reply-To: <36fcadd3-074d-7c11-6ca5-b44aecaa3639@baylibre.com>

Hi Neil,

2018-08-02 10:38 GMT+02:00 Neil Armstrong <narmstrong@baylibre.com>:
> Please switch to the spdx header format here and in the .h.

> In the DRM driver these are updated in IRQ context, we should make sure we don't sleep
> in interrupt context if IRQ occurs when the VDEC updates it's canvases.
>
> Could you switch to spin_lock_irqsave() instead ?

Will do.

> Can you add the endian defines ?
>
> #define MESON_CANVAS_ENDIAN_SWAP16      0x1
> #define MESON_CANVAS_ENDIAN_SWAP32      0x3
> #define MESON_CANVAS_ENDIAN_SWAP64      0x7
> #define MESON_CANVAS_ENDIAN_SWAP128     0xf
>
> the SWAP64 is the one used in the VDEC and DRM Overlays.

Sure. Maybe I should push the flags (0x1, 0x2, 0x4, 0x8) rather than
the combinations?
Or both, since the combinations are more likely to be used in practice
more than the single flags.

> I rebased my DRM Overlay patch on top of this and :
> Tested-by: Neil Armstrong <narmstrong@baylibre.com>
>
> You can keep this tag on future versions.

Thanks!

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-01 18:51 [PATCH 0/4] " Maxime Jourdan
2018-08-01 18:51 ` [PATCH 1/4] " Maxime Jourdan
2018-08-02  8:38   ` Neil Armstrong
2018-08-02  8:52   ` Neil Armstrong
2018-08-02 13:14     ` Maxime Jourdan [this message]
2018-08-03 14:14   ` Yixun Lan
2018-08-03 21:47     ` Maxime Jourdan
2018-08-01 18:51 ` [PATCH 2/4] dt-bindings: soc: amlogic: add meson-canvas documentation Maxime Jourdan
2018-08-01 18:51 ` [PATCH 3/4] ARM64: dts: meson-gx: add dmcbus and canvas nodes Maxime Jourdan
2018-08-03 13:50   ` Yixun Lan
2018-08-04 20:02     ` Maxime Jourdan
2018-08-07  1:29       ` Yixun Lan
2018-08-01 18:51 ` [PATCH 4/4] drm/meson: convert to the new canvas module Maxime Jourdan
2018-08-02  8:39   ` Jerome Brunet
2018-08-02 12:34     ` Maxime Jourdan
2018-08-02 13:01       ` Jerome Brunet
2018-08-02 13:09         ` Maxime Jourdan
     [not found]   ` <5b6cc316.1c69fb81.682d3.1216@mx.google.com>
2018-08-10  6:35     ` Maxime Jourdan
2018-08-10  7:49       ` Neil Armstrong

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