@@ -104,10 +104,18 @@ static void imx_pd_encoder_dpms(struct drm_encoder *encoder, int mode)
{
struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
- if (mode != DRM_MODE_DPMS_ON)
- drm_panel_disable(imxpd->panel);
- else
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ drm_panel_prepare(imxpd->panel);
drm_panel_enable(imxpd->panel);
+ break;
+ case DRM_MODE_DPMS_OFF:
+ drm_panel_disable(imxpd->panel);
+ drm_panel_unprepare(imxpd->panel);
+ break;
+ default:
+ break;
+ }
}
static bool imx_pd_encoder_mode_fixup(struct drm_encoder *encoder,
We have to call drm_panel_prepare() and drm_panel_unprepare() when switching on or off. This patch also replaces the if statement with an switch statement to only catch ON and OFF modes. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> --- drivers/staging/imx-drm/parallel-display.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-)