[PATCH] drm/mxsfb: add poll_changed event handler to set_par on startup

Michael Grzeschik m.grzeschik at pengutronix.de
Mon Mar 26 16:17:44 UTC 2018


We move drm_kms_helper_poll_init behind the drm_fbdev_cma_init so the
set_par will be called and fb will be active.

Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>
---
 drivers/gpu/drm/mxsfb/mxsfb_drv.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 1207ffe362505..a047a729af6b8 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -94,6 +94,7 @@ void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb)
 
 static const struct drm_mode_config_funcs mxsfb_mode_config_funcs = {
 	.fb_create		= drm_gem_fb_create,
+	.output_poll_changed	= drm_fb_helper_output_poll_changed,
 	.atomic_check		= drm_atomic_helper_check,
 	.atomic_commit		= drm_atomic_helper_commit,
 };
@@ -221,8 +222,6 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
 		goto err_irq;
 	}
 
-	drm_kms_helper_poll_init(drm);
-
 	mxsfb->fbdev = drm_fbdev_cma_init(drm, 32,
 					  drm->mode_config.num_connector);
 	if (IS_ERR(mxsfb->fbdev)) {
@@ -232,6 +231,8 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
 		goto err_cma;
 	}
 
+	drm_kms_helper_poll_init(drm);
+
 	platform_set_drvdata(pdev, drm);
 
 	drm_helper_hpd_irq_event(drm);
-- 
2.16.1



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