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| author | Paul Mundt <lethal@linux-sh.org> | 2011-07-21 15:21:51 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-07-21 15:21:51 +0900 |
| commit | fa514fbc57419505d0e9423dbb8742f2775f882e (patch) | |
| tree | 03c7c1fc4e4fb692275f5d8144e59b2872c196a0 | |
| parent | 4af358f81881e1d083a916c9269b5ac0936e180d (diff) | |
| parent | 936a3f770b8de7042d793272f008ef1bb08522e9 (diff) | |
| download | linux-fa514fbc57419505d0e9423dbb8742f2775f882e.tar.gz linux-fa514fbc57419505d0e9423dbb8742f2775f882e.tar.bz2 linux-fa514fbc57419505d0e9423dbb8742f2775f882e.zip | |
Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6
| -rw-r--r-- | drivers/video/via/via_modesetting.h | 5 | ||||
| -rw-r--r-- | drivers/video/via/viafbdev.c | 16 |
2 files changed, 16 insertions, 5 deletions
diff --git a/drivers/video/via/via_modesetting.h b/drivers/video/via/via_modesetting.h index ae35cfdeb37c..013884543e91 100644 --- a/drivers/video/via/via_modesetting.h +++ b/drivers/video/via/via_modesetting.h @@ -28,6 +28,11 @@ #include <linux/types.h> + +#define VIA_PITCH_SIZE (1<<3) +#define VIA_PITCH_MAX 0x3FF8 + + void via_set_primary_address(u32 addr); void via_set_secondary_address(u32 addr); void via_set_primary_pitch(u32 pitch); diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index cf43c80d27f6..dd1276e886f3 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -151,7 +151,8 @@ static void viafb_update_fix(struct fb_info *info) info->fix.visual = bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7; + info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8, + VIA_PITCH_SIZE); } static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, @@ -238,8 +239,12 @@ static int viafb_check_var(struct fb_var_screeninfo *var, depth = 24; viafb_fill_var_color_info(var, depth); - line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7; - if (line * var->yres_virtual > ppar->memsize) + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + + line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8, + VIA_PITCH_SIZE); + if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize) return -EINVAL; /* Based on var passed in to calculate the refresh, @@ -348,8 +353,9 @@ static int viafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { struct viafb_par *viapar = info->par; - u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset) - * (var->bits_per_pixel / 8) + viapar->vram_addr; + u32 vram_addr = viapar->vram_addr + + var->yoffset * info->fix.line_length + + var->xoffset * info->var.bits_per_pixel / 8; DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr); if (!viafb_dual_fb) { |