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DIR:OUT; SFP:1101; X-OriginatorOrg: axis.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2024 14:01:30.9708 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cae9f3d7-16ec-4f80-6715-08dc5fb00ca0 X-MS-Exchange-CrossTenant-Id: 78703d3c-b907-432f-b066-88f7af9ca3af X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=78703d3c-b907-432f-b066-88f7af9ca3af; Ip=[195.60.68.100]; Helo=[mail.axis.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509E6.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR02MB8385 X-Mailman-Approved-At: Thu, 18 Apr 2024 14:05:57 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add generic panel-dsi panel, similar to panel-dpi that can have it's timing, lanes and flags overridden by devicetree. Add some dev_err() and dev_warn() calls. Signed-off-by: Johan Adolfsson --- drivers/gpu/drm/panel/panel-simple.c | 76 ++++++++++++++++++++++++++++++++++-- 1 file changed, 73 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index d493ee735c73..3b812fb9ae9e 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -455,7 +455,9 @@ static const struct drm_panel_funcs panel_simple_funcs = { .get_timings = panel_simple_get_timings, }; -static struct panel_desc panel_dpi; +static struct panel_desc panel_dpi = { + .connector_type = DRM_MODE_CONNECTOR_DPI +}; static int panel_dpi_probe(struct device *dev, struct panel_simple *panel) @@ -471,6 +473,8 @@ static int panel_dpi_probe(struct device *dev, desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL); if (!desc) return -ENOMEM; + if (panel->desc) + *desc = *panel->desc; timing = devm_kzalloc(dev, sizeof(*timing), GFP_KERNEL); if (!timing) @@ -503,6 +507,20 @@ static int panel_dpi_probe(struct device *dev, return 0; } +static int panel_dsi_probe(struct device *dev, + struct panel_simple *panel) +{ + int ret; + + ret = panel_dpi_probe(dev, panel); + if (panel->desc) { + struct panel_desc *desc = (struct panel_desc *)panel->desc; + + desc->connector_type = DRM_MODE_CONNECTOR_DSI; + } + return ret; +} + #define PANEL_SIMPLE_BOUNDS_CHECK(to_check, bounds, field) \ (to_check->field.typ >= bounds->field.min && \ to_check->field.typ <= bounds->field.max) @@ -533,11 +551,16 @@ static void panel_simple_parse_panel_timing_node(struct device *dev, !PANEL_SIMPLE_BOUNDS_CHECK(ot, dt, vactive) || !PANEL_SIMPLE_BOUNDS_CHECK(ot, dt, vfront_porch) || !PANEL_SIMPLE_BOUNDS_CHECK(ot, dt, vback_porch) || - !PANEL_SIMPLE_BOUNDS_CHECK(ot, dt, vsync_len)) + !PANEL_SIMPLE_BOUNDS_CHECK(ot, dt, vsync_len)) { + dev_warn(dev, "timing bounds failed\n"); continue; + } - if (ot->flags != dt->flags) + /* Allow mismatch in flags for last entry */ + if (i + 1 < panel->desc->num_timings && ot->flags != dt->flags) { + dev_warn(dev, "flags mismatch: ot %x vs dt %x\n", ot->flags, dt->flags); continue; + } videomode_from_timing(ot, &vm); drm_display_mode_from_videomode(&vm, &panel->override_mode); @@ -4752,6 +4775,39 @@ struct panel_desc_dsi { unsigned int lanes; }; +static const struct display_timing generic_800x480_timing = { + .pixelclock = { 16400000, 864 * 490 * 60, (1920 + 512) * (1920 + 512) * 60 }, + .hactive = { 400, 800, 1920 }, + .hfront_porch = { 2, 16, 512 }, + .hback_porch = { 2, 16, 512 }, + .hsync_len = { 1, 10, 40 }, + .vactive = { 400, 480, 1920 }, + .vfront_porch = { 2, 5, 512 }, + .vback_porch = { 2, 5, 512 }, + .vsync_len = { 1, 10, 20 }, + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_SYNC_POSEDGE +}; + +static struct panel_desc_dsi panel_dsi = { + .desc = { + .timings = &generic_800x480_timing, + .num_timings = 1, + .bpc = 8, + .size = { + .width = 152, + .height = 91, + }, + .connector_type = DRM_MODE_CONNECTOR_DSI, + }, + .flags = MIPI_DSI_MODE_VIDEO | + MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + MIPI_DSI_MODE_VIDEO_HSE | /* Needed to generate Hsync End Short package */ + MIPI_DSI_MODE_VIDEO_NO_HBP, + .format = MIPI_DSI_FMT_RGB888, + .lanes = 2, +}; + static const struct drm_display_mode auo_b080uan01_mode = { .clock = 154500, .hdisplay = 1200, @@ -4976,6 +5032,9 @@ static const struct of_device_id dsi_of_match[] = { }, { .compatible = "osddisplays,osd101t2045-53ts", .data = &osd101t2045_53ts + }, { + .compatible = "panel-dsi", + .data = &panel_dsi, }, { /* sentinel */ } @@ -4992,17 +5051,28 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) return -ENODEV; err = panel_simple_probe(&dsi->dev, &desc->desc); + if (err) + dev_err(&dsi->dev, "%s: err %i\n", __func__, err); + + if (desc == &panel_dsi) { + struct panel_simple *panel = mipi_dsi_get_drvdata(dsi); + /* Handle the generic panel-dsi binding */ + err = panel_dsi_probe(&dsi->dev, panel); + } + if (err < 0) return err; dsi->mode_flags = desc->flags; dsi->format = desc->format; dsi->lanes = desc->lanes; + of_property_read_u32(dsi->dev.of_node, "lanes", &dsi->lanes); err = mipi_dsi_attach(dsi); if (err) { struct panel_simple *panel = mipi_dsi_get_drvdata(dsi); + dev_err(&dsi->dev, "probe attach err: %i", err); 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DIR:OUT; SFP:1101; X-OriginatorOrg: axis.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2024 14:01:31.4292 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ea1223f6-eb19-4812-f850-08dc5fb00ce3 X-MS-Exchange-CrossTenant-Id: 78703d3c-b907-432f-b066-88f7af9ca3af X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=78703d3c-b907-432f-b066-88f7af9ca3af; Ip=[195.60.68.100]; Helo=[mail.axis.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF000001AE.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9PR02MB7041 X-Mailman-Approved-At: Thu, 18 Apr 2024 14:05:57 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" panel-dsi is similar to panel-dpi with overridable timings Signed-off-by: Johan Adolfsson --- Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml index f9160d7bac3c..4c9dd4f66a8f 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml @@ -56,6 +56,8 @@ properties: - samsung,sofef00 # Shangai Top Display Optoelectronics 7" TL070WSH30 1024x600 TFT LCD panel - tdo,tl070wsh30 + # Generic dsi panel with timing overridable + - panel-dsi reg: maxItems: 1