diff options
| -rw-r--r-- | drivers/video/pxafb.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 25bf4b8b6b53..ab816cadb470 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -306,8 +306,6 @@ static void pxafb_setmode(struct fb_var_screeninfo *var, var->lower_margin = mode->lower_margin; var->sync = mode->sync; var->grayscale = mode->cmap_greyscale; - var->xres_virtual = var->xres; - var->yres_virtual = var->yres; } /* @@ -345,10 +343,14 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) return -EINVAL; } - var->xres_virtual = - max(var->xres_virtual, var->xres); - var->yres_virtual = - max(var->yres_virtual, var->yres); + /* we don't support xpan, force xres_virtual to be equal to xres */ + var->xres_virtual = var->xres; + + if (var->accel_flags & FB_ACCELF_TEXT) + var->yres_virtual = fbi->fb.fix.smem_len / + (var->xres_virtual * var->bits_per_pixel / 8); + else + var->yres_virtual = max(var->yres_virtual, var->yres); /* * Setup the RGB parameters for this display. @@ -878,7 +880,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info *fbi) { u_long flags; - size_t nbytes; + size_t nbytes, offset; #if DEBUG_VAR if (!(fbi->lccr0 & LCCR0_LCDT)) { @@ -939,17 +941,18 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, fbi->reg_lccr3 |= pxafb_bpp_to_lccr3(var); - nbytes = var->yres * fbi->fb.fix.line_length; + nbytes = fbi->fb.fix.line_length * var->yres; + offset = fbi->fb.fix.line_length * var->yoffset; if ((fbi->lccr0 & LCCR0_SDS) == LCCR0_Dual) { nbytes = nbytes / 2; - setup_frame_dma(fbi, DMA_LOWER, PAL_NONE, nbytes, nbytes); + setup_frame_dma(fbi, DMA_LOWER, PAL_NONE, offset + nbytes, nbytes); } if ((var->bits_per_pixel >= 16) || (fbi->lccr0 & LCCR0_LCDT)) - setup_frame_dma(fbi, DMA_BASE, PAL_NONE, 0, nbytes); + setup_frame_dma(fbi, DMA_BASE, PAL_NONE, offset, nbytes); else - setup_frame_dma(fbi, DMA_BASE, PAL_BASE, 0, nbytes); + setup_frame_dma(fbi, DMA_BASE, PAL_BASE, offset, nbytes); fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK; fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK); @@ -1362,7 +1365,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev) fbi->fb.fix.type = FB_TYPE_PACKED_PIXELS; fbi->fb.fix.type_aux = 0; fbi->fb.fix.xpanstep = 0; - fbi->fb.fix.ypanstep = 0; + fbi->fb.fix.ypanstep = 1; fbi->fb.fix.ywrapstep = 0; fbi->fb.fix.accel = FB_ACCEL_NONE; @@ -1370,7 +1373,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev) fbi->fb.var.activate = FB_ACTIVATE_NOW; fbi->fb.var.height = -1; fbi->fb.var.width = -1; - fbi->fb.var.accel_flags = 0; + fbi->fb.var.accel_flags = FB_ACCELF_TEXT; fbi->fb.var.vmode = FB_VMODE_NONINTERLACED; fbi->fb.fbops = &pxafb_ops; |