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-rw-r--r--drivers/video/sh_mobile_lcdcfb.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 67877ccadacb..68011b5596c5 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -2214,14 +2214,14 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
2214 info->fix.ypanstep = 2; 2214 info->fix.ypanstep = 2;
2215 2215
2216 /* Initialize variable screen information using the first mode as 2216 /* Initialize variable screen information using the first mode as
2217 * default. The default Y virtual resolution is twice the panel size to 2217 * default.
2218 * allow for double-buffering.
2219 */ 2218 */
2220 var = &info->var; 2219 var = &info->var;
2221 fb_videomode_to_var(var, mode); 2220 fb_videomode_to_var(var, mode);
2222 var->width = ch->cfg->panel_cfg.width; 2221 var->width = ch->cfg->panel_cfg.width;
2223 var->height = ch->cfg->panel_cfg.height; 2222 var->height = ch->cfg->panel_cfg.height;
2224 var->yres_virtual = var->yres * 2; 2223 var->xres_virtual = ch->xres_virtual;
2224 var->yres_virtual = ch->yres_virtual;
2225 var->activate = FB_ACTIVATE_NOW; 2225 var->activate = FB_ACTIVATE_NOW;
2226 2226
2227 /* Use the legacy API by default for RGB formats, and the FOURCC API 2227 /* Use the legacy API by default for RGB formats, and the FOURCC API
@@ -2619,7 +2619,9 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
2619 num_modes = cfg->num_modes; 2619 num_modes = cfg->num_modes;
2620 } 2620 }
2621 2621
2622 /* Use the first mode as default. */ 2622 /* Use the first mode as default. The default Y virtual resolution is
2623 * twice the panel size to allow for double-buffering.
2624 */
2623 ch->format = format; 2625 ch->format = format;
2624 ch->xres = mode->xres; 2626 ch->xres = mode->xres;
2625 ch->xres_virtual = mode->xres; 2627 ch->xres_virtual = mode->xres;