diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a61f4dfbf540..e0033d99f6e3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -15753,6 +15753,7 @@ intel_mode_valid(struct drm_device *dev, DRM_MODE_FLAG_CLKDIV2)) return MODE_BAD; + /* Transcoder timing limits */ if (INTEL_GEN(dev_priv) >= 11) { hdisplay_max = 16384; vdisplay_max = 8192; @@ -15791,6 +15792,41 @@ intel_mode_valid(struct drm_device *dev, return MODE_OK; } +enum drm_mode_status +intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, + const struct drm_display_mode *mode) +{ + int plane_width_max, plane_height_max; + + /* + * intel_mode_valid() should be + * sufficient on older platforms. + */ + if (INTEL_GEN(dev_priv) < 9) + return MODE_OK; + + /* + * Most people will probably want a fullscreen + * plane so let's not advertize modes that are + * too big for that. + */ + if (INTEL_GEN(dev_priv) >= 11) { + plane_width_max = 5120; + plane_height_max = 4320; + } else { + plane_width_max = 5120; + plane_height_max = 4096; + } + + if (mode->hdisplay > plane_width_max) + return MODE_H_ILLEGAL; + + if (mode->vdisplay > plane_height_max) + return MODE_V_ILLEGAL; + + return MODE_OK; +} + static const struct drm_mode_config_funcs intel_mode_funcs = { .fb_create = intel_user_framebuffer_create, .get_format_info = intel_get_format_info, |