linux-kernel - [PATCH v2 5/5] drm/panel-simple: Add N116BCA-EA1

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Date:   Fri, 15 Jan 2021 14:44:20 -0800
From:   Douglas Anderson <dianders@...omium.org>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     Rob Clark <robdclark@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 5/5] drm/panel-simple: Add N116BCA-EA1

This panel is quite similar to the similarly named N116BGE panel (the
nominal timings are, in fact identical).  However, let's add a new
entry because the full range of clocks listed for N116BGE aren't
supported for N116BCA-EA1, at least according to the datasheet.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

Changes in v2:
- ("drm/panel-simple: Add N116BCA-EA1") new for v2.

 drivers/gpu/drm/panel/panel-simple.c | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 823177d89d1b..76a1bebaaaf9 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2407,6 +2407,36 @@ static const struct panel_desc innolux_g121x1_l03 = {
 	},
 };
 
+static const struct drm_display_mode innolux_n116bca_ea1_mode = {
+	.clock = 76420,
+	.hdisplay = 1366,
+	.hsync_start = 1366 + 136,
+	.hsync_end = 1366 + 136 + 30,
+	.htotal = 1366 + 136 + 30 + 60,
+	.vdisplay = 768,
+	.vsync_start = 768 + 8,
+	.vsync_end = 768 + 8 + 12,
+	.vtotal = 768 + 8 + 12 + 12,
+	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+};
+
+static const struct panel_desc innolux_n116bca_ea1 = {
+	.modes = &innolux_n116bca_ea1_mode,
+	.num_modes = 1,
+	.bpc = 6,
+	.size = {
+		.width = 256,
+		.height = 144,
+	},
+	.delay = {
+		.hpd_absent_delay = 200,
+		.prepare_to_enable = 80,
+		.unprepare = 500,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+	.connector_type = DRM_MODE_CONNECTOR_eDP,
+};
+
 /*
  * Datasheet specifies that at 60 Hz refresh rate:
  * - total horizontal time: { 1506, 1592, 1716 }
@@ -4320,6 +4350,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "innolux,g121x1-l03",
 		.data = &innolux_g121x1_l03,
+	}, {
+		.compatible = "innolux,n116bca-ea1",
+		.data = &innolux_n116bca_ea1,
 	}, {
 		.compatible = "innolux,n116bge",
 		.data = &innolux_n116bge,
-- 
2.30.0.284.gd98b1dd5eaa7-goog