diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 2df3592166d..58bfb2a2a19 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -468,13 +468,20 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi) /* DSI configuration */ reg = 0; + /* + * The first bit of mode_flags specifies display configuration. + * If this bit is set[= MIPI_DSI_MODE_VIDEO], dsi will support video + * mode, otherwise it will support command mode. + */ if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) { reg |= DSIM_VIDEO_MODE; + /* + * The user manual describes that following bits are ignored in + * command mode. + */ if (!(dsi->mode_flags & MIPI_DSI_MODE_VSYNC_FLUSH)) reg |= DSIM_MFLUSH_VS; - if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET)) - reg |= DSIM_EOT_DISABLE; if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) reg |= DSIM_SYNC_INFORM; if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) @@ -491,6 +498,9 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi) reg |= DSIM_HSA_MODE; } + if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET)) + reg |= DSIM_EOT_DISABLE; + switch (dsi->format) { case MIPI_DSI_FMT_RGB888: reg |= DSIM_MAIN_PIX_FORMAT_RGB888; |