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Message-ID: <bc7edabf-fec7-4626-bba1-03a78c87b500@linaro.org>
Date: Wed, 26 Jun 2024 18:35:11 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Jerome Brunet <jbrunet@...libre.com>,
Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, dri-devel@...ts.freedesktop.org,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH v2 2/3] drm/mipi-dsi: add mipi_dsi_usleep_range helper
On 26/06/2024 16:22, Jerome Brunet wrote:
> Like for mipi_dsi_msleep(), usleep_range() may often be called
> in between mipi_dsi_dcs_*() functions and needs a multi compatible
> counter part.
>
> Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
> ---
> include/drm/drm_mipi_dsi.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
> index 71d121aeef24..0f520eeeaa8e 100644
> --- a/include/drm/drm_mipi_dsi.h
> +++ b/include/drm/drm_mipi_dsi.h
> @@ -10,6 +10,7 @@
> #define __DRM_MIPI_DSI_H__
>
> #include <linux/device.h>
> +#include <linux/delay.h>
>
> struct mipi_dsi_host;
> struct mipi_dsi_device;
> @@ -297,6 +298,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
> msleep(delay); \
> } while (0)
>
> +#define mipi_dsi_usleep_range(ctx, min, max) \
> + do { \
> + if (!(ctx)->accum_err) \
> + usleep_range(min, max); \
> + } while (0)
> +
> /**
> * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
> * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
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