summaryrefslogtreecommitdiff
path: root/drivers/video
diff options
context:
space:
mode:
authorYannick Fertre <yannick.fertre@st.com>2020-06-24 10:45:41 +0200
committerAnatolij Gustschin <agust@denx.de>2020-06-28 01:26:55 +0200
commitac824e80eab1a7730b9b413bc777c8c1404491b5 (patch)
tree5836d6833c7303079a265a3a60139dd43ebb7258 /drivers/video
parent7084dd8c4bf212cf4b25dc1cf34d35f9b5999f9d (diff)
video: raydium_rm68200: fill characteristics of DSI data link
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>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/raydium-rm68200.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/video/raydium-rm68200.c b/drivers/video/raydium-rm68200.c
index 9169280fb8..353894503b 100644
--- a/drivers/video/raydium-rm68200.c
+++ b/drivers/video/raydium-rm68200.c
@@ -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;