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Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/intel_fb.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
index bb42bc69..59df1976 100644
--- a/linux-core/intel_fb.c
+++ b/linux-core/intel_fb.c
@@ -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;