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author | YoungJun Cho <yj44.cho@samsung.com> | 2014-07-17 18:01:16 +0900 |
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committer | Inki Dae <daeinki@gmail.com> | 2014-08-03 16:52:14 +0900 |
commit | 2f36e33aef211815f172a2310e5759cb0d0843bf (patch) | |
tree | 52e05bee89619e74f9d8b3020158bf32b953b1ef /drivers/gpu/drm/exynos | |
parent | ff830c961d44cd0b3cf483a6c7a5a175c3419427 (diff) | |
download | op-kernel-dev-2f36e33aef211815f172a2310e5759cb0d0843bf.zip op-kernel-dev-2f36e33aef211815f172a2310e5759cb0d0843bf.tar.gz |
drm/exynos: dsi: move the EoT packets configuration point
This configuration could be used in MIPI DSI command mode also.
And adds user manual description for display configuration.
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
-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 2df3592..58bfb2a 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; |