We already don't expose such modes to userspace, but make sure userspace can't sneak some interlaced mode in.
Signed-off-by: Mario Kleiner mario.kleiner.de@gmail.com Cc: Eric Anholt eric@anholt.net --- drivers/gpu/drm/vc4/vc4_dpi.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 275fedb..1e1f6b8 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -340,9 +340,20 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder) } }
+static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) + return false; + + return true; +} + static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = { .disable = vc4_dpi_encoder_disable, .enable = vc4_dpi_encoder_enable, + .mode_fixup = vc4_dpi_encoder_mode_fixup, };
static const struct of_device_id vc4_dpi_dt_match[] = {