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Misc panning fixes for intel_fb

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This commit is contained in:
Jakob Bornecrantz 2008-01-28 22:06:09 +01:00
parent a2254c5a96
commit b9b6f9234d
1 changed files with 29 additions and 3 deletions
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32
linux-core/intel_fb.c
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@ -326,7 +326,7 @@ static int intelfb_set_par(struct fb_info *info)
if (!drm_mode_equal(&par->crtc->mode, drm_mode)) {
if (!drm_crtc_set_mode(par->crtc, drm_mode, var->xoffset, var->yoffset))
return -EINVAL;
} else if (par->crtc->x != var->xoffset || par->crtc->x != var->xoffset) {
} else if (par->crtc->x != var->xoffset || par->crtc->y != var->yoffset) {
if (!par->crtc->funcs->mode_set_base) {
if (!drm_crtc_set_mode(par->crtc, drm_mode, var->xoffset, var->yoffset))
return -EINVAL;
@ -485,6 +485,31 @@ void intelfb_imageblit(struct fb_info *info, const struct fb_image *image)
ADVANCE_LP_RING();
}
#endif
static int intelfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct intelfb_par *par = info->par;
struct drm_crtc *crtc = par->crtc;
struct drm_framebuffer *fb = crtc->fb;
DRM_DEBUG("\n");
if (!crtc->funcs->mode_set_base) {
DRM_ERROR("panning not supported\n");
return -EFAULT;
}
/* TODO add check size and pos*/
crtc->funcs->mode_set_base(crtc, var->xoffset, var->yoffset);
par->crtc->x = var->xoffset;
par->crtc->y = var->yoffset;
info->var.xoffset = var->xoffset;
info->var.yoffset = var->yoffset;
return 0;
}
static struct fb_ops intelfb_ops = {
.owner = THIS_MODULE,
@ -499,6 +524,7 @@ static struct fb_ops intelfb_ops = {
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea, //intelfb_copyarea,
.fb_imageblit = cfb_imageblit, //intelfb_imageblit,
.fb_pan_display = intelfb_pan_display,
};
/**
@ -606,8 +632,8 @@ int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc)
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_TRUECOLOR;
info->fix.type_aux = 0;
info->fix.xpanstep = 8;
info->fix.ypanstep = 1;
info->fix.xpanstep = 1; /* doing it in hw */
info->fix.ypanstep = 1; /* doing it in hw */
info->fix.ywrapstep = 0;
info->fix.accel = FB_ACCEL_I830;
info->fix.type_aux = 0;