diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 2912abd85148..236fdf122e47 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -16294,6 +16294,21 @@ intel_mode_valid(struct drm_device *dev, mode->vtotal > vtotal_max) return MODE_V_ILLEGAL; + if (INTEL_GEN(dev_priv) >= 5) { + if (mode->hdisplay < 64 || + mode->htotal - mode->hdisplay < 32) + return MODE_H_ILLEGAL; + + if (mode->vtotal - mode->vdisplay < 5) + return MODE_V_ILLEGAL; + } else { + if (mode->htotal - mode->hdisplay < 32) + return MODE_H_ILLEGAL; + + if (mode->vtotal - mode->vdisplay < 3) + return MODE_V_ILLEGAL; + } + return MODE_OK; } |