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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Fri, 10 May 2024 01:37:37 +0300
Subject: [PATCH RFC 4/7] drm/panel: innolux-p079zca: use
 mipi_dsi_dcs_nop_multi()
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Message-Id: <20240510-dsi-panels-upd-api-v1-4-317c78a0dcc8@linaro.org>
References: <20240510-dsi-panels-upd-api-v1-0-317c78a0dcc8@linaro.org>
In-Reply-To: <20240510-dsi-panels-upd-api-v1-0-317c78a0dcc8@linaro.org>
To: Douglas Anderson <dianders@chromium.org>, 
 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, 
 Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, 
 David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, 
 Neil Armstrong <neil.armstrong@linaro.org>, 
 Jessica Zhang <quic_jesszhan@quicinc.com>, Sam Ravnborg <sam@ravnborg.org>, 
 Sumit Semwal <sumit.semwal@linaro.org>, 
 Caleb Connolly <caleb.connolly@linaro.org>, 
 Marijn Suijten <marijn.suijten@somainline.org>, 
 Vinod Koul <vkoul@kernel.org>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, 
 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Remove conditional code and use mipi_dsi_dcs_nop_multi() wrapper to
simplify driver code.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/panel/panel-innolux-p079zca.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index ade8bf7491ee..0691a27a0daa 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -224,21 +224,14 @@ static const struct drm_display_mode innolux_p097pfg_mode = {
 static void innolux_panel_write_multi(struct mipi_dsi_multi_context *ctx,
 				      const void *payload, size_t size)
 {
-	struct mipi_dsi_device *dsi = ctx->dsi;
-	struct device *dev = &dsi->dev;
-
 	mipi_dsi_generic_write_multi(ctx, payload, size);
-	if (ctx->accum_err)
-		return;
 
 	/*
 	 * Included by random guessing, because without this
 	 * (or at least, some delay), the panel sometimes
 	 * didn't appear to pick up the command sequence.
 	 */
-	ctx->accum_err = mipi_dsi_dcs_nop(ctx->dsi);
-	if (ctx->accum_err)
-		dev_err(dev, "failed to send DCS nop: %d\n", ctx->accum_err);
+	mipi_dsi_dcs_nop_multi(ctx);
 }
 
 #define innolux_panel_init_cmd_multi(ctx, seq...)                 \

-- 
2.39.2