linux-kernel - [PATCH v2 1/2] drm/mipi-dsi: Add mipi_dsi_dual

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Message-ID: <20250307091519.245889-2-tejasvipin76@gmail.com>
Date: Fri,  7 Mar 2025 14:45:18 +0530
From: Tejas Vipin <tejasvipin76@...il.com>
To: neil.armstrong@...aro.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	lujianhua000@...il.com
Cc: quic_jesszhan@...cinc.com,
	dianders@...omium.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	asrivats@...hat.com,
	Tejas Vipin <tejasvipin76@...il.com>
Subject: [PATCH v2 1/2] drm/mipi-dsi: Add mipi_dsi_dual_msleep

Introduces mipi_dsi_dual_msleep to make it easier to use msleep in the
case of a double-DSI panel.

Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
---
 include/drm/drm_mipi_dsi.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index bd40a443385c..d9bc0d79dd82 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -306,6 +306,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
 			usleep_range(min, max);	\
 	} while (0)
 
+#define mipi_dsi_dual_msleep(ctx1, ctx2, delay)				\
+	do {								\
+		if ((!(ctx1)->accum_err) || (!(ctx2)->accum_err))	\
+			msleep(delay);					\
+	} 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
-- 
2.48.1