linux-kernel - [PATCH v4 4/5] drm/panel-edp: Add eDP sharp panel support

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Date:   Thu, 10 Feb 2022 17:27:34 +0530
From:   Sankeerth Billakanti <quic_sbillaka@...cinc.com>
To:     <dri-devel@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <agross@...nel.org>,
        <bjorn.andersson@...aro.org>, <robh+dt@...nel.org>,
        <robdclark@...il.com>, <seanpaul@...omium.org>,
        <swboyd@...omium.org>, <dianders@...omium.org>,
        <krzysztof.kozlowski@...onical.com>, <thierry.reding@...il.com>,
        <sam@...nborg.org>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        <quic_kalyant@...cinc.com>, <quic_abhinavk@...cinc.com>,
        <quic_khsieh@...cinc.com>, <quic_mkrishn@...cinc.com>,
        <quic_vproddut@...cinc.com>
Subject: [PATCH v4 4/5] drm/panel-edp: Add eDP sharp panel support

Add support for the 14" sharp,lq140m1jw46 eDP panel.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
---
00 ff ff ff ff ff ff 00 4d 10 23 15 00 00 00 00
35 1e 01 04 a5 1f 11 78 07 de 50 a3 54 4c 99 26
0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 5a 87 80 a0 70 38 4d 40 30 20
35 00 35 ae 10 00 00 18 65 38 80 a0 70 38 4d 40
30 20 35 00 35 ae 10 00 00 18 00 00 00 fd 00 30
90 a7 a7 23 01 00 00 00 00 00 00 00 00 00 00 fc
00 4c 51 31 34 30 4d 31 4a 57 34 39 0a 20 00 77

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.4
  Vendor & Product Identification:
    Manufacturer: SHP
    Model: 5411
    Made in: week 53 of 2020
  Basic Display Parameters & Features:
    Digital display
    Bits per primary color channel: 8
    DisplayPort interface
    Maximum image size: 31 cm x 17 cm
    Gamma: 2.20
    Supported color formats: RGB 4:4:4
    Default (sRGB) color space is primary color space
    First detailed timing includes the native pixel format and preferred refresh rate
    Display is continuous frequency
  Color Characteristics:
    Red  : 0.6396, 0.3291
    Green: 0.2998, 0.5996
    Blue : 0.1494, 0.0595
    White: 0.3125, 0.3281
  Established Timings I & II: none
  Standard Timings: none
  Detailed Timing Descriptors:
    DTD 1:  1920x1080  143.981 Hz  16:9   166.587 kHz  346.500 MHz (309 mm x 174 mm)
                 Hfront   48 Hsync  32 Hback  80 Hpol N
                 Vfront    3 Vsync   5 Vback  69 Vpol N
    DTD 2:  1920x1080   59.990 Hz  16:9    69.409 kHz  144.370 MHz (309 mm x 174 mm)
                 Hfront   48 Hsync  32 Hback  80 Hpol N
                 Vfront    3 Vsync   5 Vback  69 Vpol N
  Display Range Limits:
    Monitor ranges (Bare Limits): 48-144 Hz V, 167-167 kHz H, max dotclock 350 MHz
    Display Product Name: 'LQ140M1JW49'
Checksum: 0x77

Changes in v4:
  -Add all modes from EDID
  -Provide EDID blob

Changes in v3:
  None

 drivers/gpu/drm/panel/panel-edp.c | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index a394a15..f9355b2 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -1605,6 +1605,47 @@ static const struct panel_desc sharp_lq123p1jx31 = {
 	},
 };
 
+static const struct drm_display_mode sharp_lq140m1jw46_mode[] = {
+	{
+		.clock = 346500,
+		.hdisplay = 1920,
+		.hsync_start = 1920 + 48,
+		.hsync_end = 1920 + 48 + 32,
+		.htotal = 1920 + 48 + 32 + 80,
+		.vdisplay = 1080,
+		.vsync_start = 1080 + 3,
+		.vsync_end = 1080 + 3 + 5,
+		.vtotal = 1080 + 3 + 5 + 69,
+		.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+	}, {
+		.clock = 144370,
+		.hdisplay = 1920,
+		.hsync_start = 1920 + 48,
+		.hsync_end = 1920 + 48 + 32,
+		.htotal = 1920 + 48 + 32 + 80,
+		.vdisplay = 1080,
+		.vsync_start = 1080 + 3,
+		.vsync_end = 1080 + 3 + 5,
+		.vtotal = 1080 + 3 + 5 + 69,
+		.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+	},
+};
+
+static const struct panel_desc sharp_lq140m1jw46 = {
+	.modes = sharp_lq140m1jw46_mode,
+	.num_modes = ARRAY_SIZE(sharp_lq140m1jw46_mode),
+	.bpc = 8,
+	.size = {
+		.width = 309,
+		.height = 174,
+	},
+	.delay = {
+		.hpd_absent = 80,
+		.enable = 50,
+		.unprepare = 500,
+	},
+};
+
 static const struct drm_display_mode starry_kr122ea0sra_mode = {
 	.clock = 147000,
 	.hdisplay = 1920,
@@ -1719,6 +1760,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "sharp,lq123p1jx31",
 		.data = &sharp_lq123p1jx31,
 	}, {
+		.compatible = "sharp,lq140m1jw46",
+		.data = &sharp_lq140m1jw46,
+	}, {
 		.compatible = "starry,kr122ea0sra",
 		.data = &starry_kr122ea0sra,
 	}, {
-- 
2.7.4