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-rw-r--r--drivers/gpu/drm/bridge/samsung-dsim.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index fbd87a74eb9f..42b49546dd00 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -740,20 +740,23 @@ static void samsung_dsim_set_display_mode(struct samsung_dsim *dsi)
{
struct drm_display_mode *m = &dsi->mode;
unsigned int num_bits_resol = dsi->driver_data->num_bits_resol;
+ int bpp;
u32 reg;
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {
+ bpp = mipi_dsi_pixel_format_to_bpp(dsi->format) / 8;
+
reg = DSIM_CMD_ALLOW(0xf)
| DSIM_STABLE_VFP(m->vsync_start - m->vdisplay)
| DSIM_MAIN_VBP(m->vtotal - m->vsync_end);
samsung_dsim_write(dsi, DSIM_MVPORCH_REG, reg);
- reg = DSIM_MAIN_HFP(m->hsync_start - m->hdisplay)
- | DSIM_MAIN_HBP(m->htotal - m->hsync_end);
+ reg = DSIM_MAIN_HFP((m->hsync_start - m->hdisplay) * bpp / dsi->lanes)
+ | DSIM_MAIN_HBP((m->htotal - m->hsync_end) * bpp / dsi->lanes);
samsung_dsim_write(dsi, DSIM_MHPORCH_REG, reg);
reg = DSIM_MAIN_VSA(m->vsync_end - m->vsync_start)
- | DSIM_MAIN_HSA(m->hsync_end - m->hsync_start);
+ | DSIM_MAIN_HSA((m->hsync_end - m->hsync_start) * bpp / dsi->lanes);
samsung_dsim_write(dsi, DSIM_MSYNC_REG, reg);
}
reg = DSIM_MAIN_HRESOL(m->hdisplay, num_bits_resol) |