[PATCH v14 7/9] drm/ingenic: dw-hdmi: make hot plug detection work for CI20
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STALE1717d
SUPERSEDED
From: H. Nikolaus Schaller <hidden>
Date: 2022-02-12 14:20:31
Also in:
dri-devel, linux-mips, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, ingenic jz47xx socs, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Paul Cercueil, Linus Torvalds
Status: Superseded by v15 (posted 2022-02-12). [go to v15]
Revision v14 (13 revisions archived).
Revisions (13)
- v3
- v4 [diff against previous]
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- v13 [diff against previous]
- v14 current [diff against previous]
- v15 [diff against previous]
There is no hpd-gpio installed on the CI20 board HDMI connector. Hence there is no hpd detection by the connector driver and we have to enable polling by the dw-hdmi driver. We need to set .poll_enabled but that struct component can only be accessed in the core code. Hence we use the public setter function drm_kms_helper_hotplug_event(). Signed-off-by: H. Nikolaus Schaller <redacted> --- drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c b/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c
index 34e986dd606cf..90547a28dc5c7 100644
--- a/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c
+++ b/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c@@ -55,6 +55,8 @@ ingenic_dw_hdmi_mode_valid(struct dw_hdmi *hdmi, void *data, if (mode->clock > 216000) return MODE_CLOCK_HIGH; + dw_hdmi_enable_poll(hdmi, true); + return MODE_OK; }
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2.33.0