[PATCH] drm: tilcdc: simplify the recovery from sync lost error on rev1

2016-12-19 Thread Jyri Sarha
On 12/19/16 16:19, Bartosz Golaszewski wrote: >> I would add here: >> + if ((tilcdc_read(dev, LCDC_RASTER_CTRL_REG) & >> + LCDC_RASTER_ENABLE)) { >> >>> + tilcdc_clear(dev, >>> + LCDC_RASTER_CTRL_REG,

[PATCH] drm: tilcdc: simplify the recovery from sync lost error on rev1

2016-12-19 Thread Bartosz Golaszewski
2016-12-19 14:09 GMT+01:00 Jyri Sarha : > One comment bellow. > > On 12/13/16 17:07, Bartosz Golaszewski wrote: >> Revision 2 of LCDC suffers from an issue where a SYNC_LOST error >> caused by limited memory bandwidth may leave the picture shifted a >> couple pixels to the right. >> >> This issue h

[PATCH] drm: tilcdc: simplify the recovery from sync lost error on rev1

2016-12-19 Thread Jyri Sarha
One comment bellow. On 12/13/16 17:07, Bartosz Golaszewski wrote: > Revision 2 of LCDC suffers from an issue where a SYNC_LOST error > caused by limited memory bandwidth may leave the picture shifted a > couple pixels to the right. > > This issue has not been observed on revision 1, while the rec

[PATCH] drm: tilcdc: simplify the recovery from sync lost error on rev1

2016-12-13 Thread Bartosz Golaszewski
Revision 2 of LCDC suffers from an issue where a SYNC_LOST error caused by limited memory bandwidth may leave the picture shifted a couple pixels to the right. This issue has not been observed on revision 1, while the recovery mechanism introduces a different issue, where the END_OF_FRAME interrup