View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0003493 | fsimx_Linux | HDMI | public | 2018-09-28 15:07 | 2019-01-31 10:28 |
| Reporter | Assigned To | ||||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | resolved | Resolution | duplicate | ||
| Product Version | fsimx6-V3.1 | ||||
| Target Version | fsimx6-B2019.08 | ||||
| Summary | 0003493: QBliss Baseboard: hdmi circuit lines for red and blue are crossed | ||||
| Description | the hdmi circuit lines on the QBliss Baseboard are crossed. In the QBlissA9 COM-Module the circuit lines are also crossed. However, we reverted circuit lines on the QBlissA9r2 1.00 COM-Module. so we need a software patch to cross the circuit lines per software. | ||||
| Additional Information | see wiring diagram. | ||||
| Forum Link | |||||
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it has not been conclusively clarified whether the circuit lines have actually been swapped. However the following code line switches the color mapping: linux/arch/arm/boot/dts/qblissa9r2q.dts #define CONFIG_QBLISSA9R2_HDMI_PIX_FMT "BGR24" maybe the following code lines also have something to do with the problem: /linux/drivers/mxc/ipu3/ipu_disp.c void _ipu_init_dc_mappings(struct ipu_soc *ipu) { /* IPU_PIX_FMT_RGB24 */ _ipu_dc_map_clear(ipu, 0); _ipu_dc_map_config(ipu, 0, 0, 7, 0xFF); _ipu_dc_map_config(ipu, 0, 1, 15, 0xFF); _ipu_dc_map_config(ipu, 0, 2, 23, 0xFF); } [...] /* IPU_PIX_FMT_BGR24 */ _ipu_dc_map_clear(ipu, 14); _ipu_dc_map_link(ipu, 14, 0, 2, 0, 1, 0, 0); |
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See the following tickets: http://tracker.fs-net.de/view.php?id=3489 http://tracker.fs-net.de/view.php?id=3490 http://tracker.fs-net.de/view.php?id=3491 http://tracker.fs-net.de/view.php?id=3492 http://tracker.fs-net.de/view.php?id=3493 |
