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drm/exynos: dsi: move the EoT packets configuration point

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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>
This commit is contained in:
YoungJun Cho 2014-07-17 18:01:16 +09:00 • committed by Inki Dae
parent ff830c961d
commit 2f36e33aef
1 changed files with 12 additions and 2 deletions
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14
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View file

@ -468,13 +468,20 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi)
/* DSI configuration */ /* DSI configuration */
reg = 0; 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) { if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {
reg |= DSIM_VIDEO_MODE; 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)) if (!(dsi->mode_flags & MIPI_DSI_MODE_VSYNC_FLUSH))
reg |= DSIM_MFLUSH_VS; 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) if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)
reg |= DSIM_SYNC_INFORM; reg |= DSIM_SYNC_INFORM;
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) 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; reg |= DSIM_HSA_MODE;
} }
if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET))
reg |= DSIM_EOT_DISABLE;
switch (dsi->format) { switch (dsi->format) {
case MIPI_DSI_FMT_RGB888: case MIPI_DSI_FMT_RGB888:
reg |= DSIM_MAIN_PIX_FORMAT_RGB888; reg |= DSIM_MAIN_PIX_FORMAT_RGB888;