This patch fixes a bug when drm_helper_connector_dpms tries to switch connector/encoder/crtc DPMS status.
Signed-off-by: Mark Zhang markz@nvidia.com --- drivers/gpu/drm/tegra/dsi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 1d21f149d7f2..7917b7875496 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -898,6 +898,8 @@ static void tegra_dsi_encoder_mode_set(struct drm_encoder *encoder, if (output->panel) drm_panel_enable(output->panel);
+ output->connector.dpms = DRM_MODE_DPMS_ON; + return; }
@@ -937,6 +939,7 @@ static void tegra_dsi_encoder_disable(struct drm_encoder *encoder)
tegra_dsi_disable(dsi);
+ output->connector.dpms = DRM_MODE_DPMS_OFF; return; }