intel_mode_valid(struct drm_device *dev,
const struct drm_display_mode *mode)
{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int hdisplay_max, htotal_max;
+ int vdisplay_max, vtotal_max;
+
/*
* Can't reject DBLSCAN here because Xorg ddxen can add piles
* of DBLSCAN modes to the output's mode list when they detect
DRM_MODE_FLAG_CLKDIV2))
return MODE_BAD;
+ if (INTEL_GEN(dev_priv) >= 9 ||
+ IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
+ hdisplay_max = 8192; /* FDI max 4096 handled elsewhere */
+ vdisplay_max = 4096;
+ htotal_max = 8192;
+ vtotal_max = 8192;
+ } else if (INTEL_GEN(dev_priv) >= 3) {
+ hdisplay_max = 4096;
+ vdisplay_max = 4096;
+ htotal_max = 8192;
+ vtotal_max = 8192;
+ } else {
+ hdisplay_max = 2048;
+ vdisplay_max = 2048;
+ htotal_max = 4096;
+ vtotal_max = 4096;
+ }
+
+ if (mode->hdisplay > hdisplay_max ||
+ mode->hsync_start > htotal_max ||
+ mode->hsync_end > htotal_max ||
+ mode->htotal > htotal_max)
+ return MODE_H_ILLEGAL;
+
+ if (mode->vdisplay > vdisplay_max ||
+ mode->vsync_start > vtotal_max ||
+ mode->vsync_end > vtotal_max ||
+ mode->vtotal > vtotal_max)
+ return MODE_V_ILLEGAL;
+
return MODE_OK;
}
}
}
+ /* maximum framebuffer dimensions */
if (IS_GEN2(dev_priv)) {
dev->mode_config.max_width = 2048;
dev->mode_config.max_height = 2048;