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drm/rockchip: dw-mipi-dsi: organize dw_mipi_dsi_encoder_disable function

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Change-Id: I4c5ba54748bd1965a9f2cdea924efa6d449677a1
Signed-off-by: xubilv <xbl@rock-chips.com>
This commit is contained in:
xubilv
2017-07-14 16:27:15 +08:00
committed by Huang, Tao
parent 5e338ed711
commit 83ae1328af
1 changed files with 27 additions and 21 deletions
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48
drivers/gpu/drm/rockchip/dw-mipi-dsi.c
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@@ -719,12 +719,6 @@ static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,
}
}
static void dw_mipi_dsi_disable(struct dw_mipi_dsi *dsi)
{
dsi_write(dsi, DSI_PWR_UP, RESET);
dsi_write(dsi, DSI_PHY_RSTZ, PHY_RSTZ);
}
static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi)
{
dsi_write(dsi, DSI_PWR_UP, RESET);
@@ -868,34 +862,46 @@ static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder,
drm_mode_copy(&dsi->mode, adjusted_mode);
}
static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
static void rockchip_dsi_pre_disable(struct dw_mipi_dsi *dsi)
{
struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
drm_panel_disable(dsi->panel);
if (clk_prepare_enable(dsi->pclk)) {
dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
return;
}
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
drm_panel_unprepare(dsi->panel);
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE);
}
/*
* This is necessary to make sure the peripheral will be driven
* normally when the display is enabled again later.
*/
msleep(120);
static void rockchip_dsi_disable(struct dw_mipi_dsi *dsi)
{
/* host */
dsi_write(dsi, DSI_LPCLK_CTRL, 0);
dsi_write(dsi, DSI_PWR_UP, RESET);
/* phy */
dsi_write(dsi, DSI_PHY_RSTZ, PHY_RSTZ);
if (dsi->phy)
phy_power_off(dsi->phy);
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
dw_mipi_dsi_disable(dsi);
phy_power_off(dsi->phy);
pm_runtime_put(dsi->dev);
clk_disable_unprepare(dsi->pclk);
}
static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
{
struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
if (dsi->panel)
drm_panel_disable(dsi->panel);
rockchip_dsi_pre_disable(dsi);
if (dsi->panel)
drm_panel_unprepare(dsi->panel);
rockchip_dsi_disable(dsi);
}
static bool dw_mipi_dsi_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)