Re: [PATCH v4] drm: bridge: fsl-ldb: fixup mode on freq mismatch

2024-12-23 Thread Miquel Raynal
Hello Martin, On 19/12/2024 at 12:39:05 GMT, Martin Kepplinger wrote: > Am Donnerstag, dem 19.12.2024 um 11:54 +0100 schrieb Nikolaus Voss: >> LDB clock has to be a fixed multiple of the pixel clock. >> Although LDB and pixel clock have a common source, this >> constraint cannot be satisfied for

Re: [PATCH v4] drm: bridge: fsl-ldb: fixup mode on freq mismatch

2024-12-20 Thread Martin Kepplinger
Am Donnerstag, dem 19.12.2024 um 11:54 +0100 schrieb Nikolaus Voss: > LDB clock has to be a fixed multiple of the pixel clock. > Although LDB and pixel clock have a common source, this > constraint cannot be satisfied for any pixel clock at a > fixed source clock. > > Violating this constraint lea

[PATCH v4] drm: bridge: fsl-ldb: fixup mode on freq mismatch

2024-12-19 Thread Nikolaus Voss
LDB clock has to be a fixed multiple of the pixel clock. Although LDB and pixel clock have a common source, this constraint cannot be satisfied for any pixel clock at a fixed source clock. Violating this constraint leads to flickering and distorted lines on the attached display. To overcome this,