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video: raydium_rm68200: fill characteristics of DSI data link

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Fill characteristics of DSI data link to platform data instead of
mipi device to avoid memory corruption.

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Yannick Fertre 2020-06-24 10:45:41 +02:00 committed by Anatolij Gustschin
parent 7084dd8c4b
commit ac824e80ea
1 changed files with 5 additions and 15 deletions
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20
drivers/video/raydium-rm68200.c
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@ -75,9 +75,6 @@ struct rm68200_panel_priv {
struct udevice *reg;
struct udevice *backlight;
struct gpio_desc reset;
unsigned int lanes;
enum mipi_dsi_pixel_format format;
unsigned long mode_flags;
};
static const struct display_timing default_timing = {
@ -259,17 +256,8 @@ static int rm68200_panel_enable_backlight(struct udevice *dev)
static int rm68200_panel_get_display_timing(struct udevice *dev,
struct display_timing *timings)
{
struct mipi_dsi_panel_plat *plat = dev_get_platdata(dev);
struct mipi_dsi_device *device = plat->device;
struct rm68200_panel_priv *priv = dev_get_priv(dev);
memcpy(timings, &default_timing, sizeof(*timings));
/* fill characteristics of DSI data link */
device->lanes = priv->lanes;
device->format = priv->format;
device->mode_flags = priv->mode_flags;
return 0;
}
@ -308,6 +296,7 @@ static int rm68200_panel_ofdata_to_platdata(struct udevice *dev)
static int rm68200_panel_probe(struct udevice *dev)
{
struct rm68200_panel_priv *priv = dev_get_priv(dev);
struct mipi_dsi_panel_plat *plat = dev_get_platdata(dev);
int ret;
if (IS_ENABLED(CONFIG_DM_REGULATOR) && priv->reg) {
@ -322,9 +311,10 @@ static int rm68200_panel_probe(struct udevice *dev)
dm_gpio_set_value(&priv->reset, false);
mdelay(10);
priv->lanes = 2;
priv->format = MIPI_DSI_FMT_RGB888;
priv->mode_flags = MIPI_DSI_MODE_VIDEO |
/* fill characteristics of DSI data link */
plat->lanes = 2;
plat->format = MIPI_DSI_FMT_RGB888;
plat->mode_flags = MIPI_DSI_MODE_VIDEO |
MIPI_DSI_MODE_VIDEO_BURST |
MIPI_DSI_MODE_LPM;