diff mbox series

[18/32] drm/tegra: sor: Hook up I2C-over-AUX to output

Message ID 20191024164534.132764-19-thierry.reding@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm/tegra: Add DisplayPort support | expand

Commit Message

Thierry Reding Oct. 24, 2019, 4:45 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

This is necessary for the output abstraction to retrieve a list of valid
modes from the EDID of a connected panel/monitor. This will be useful in
conjunction with DisplayPort support that will be added in a subsequent
patch, so that the driver can read EDID via the AUX channel.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/gpu/drm/tegra/sor.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 636807e047f0..6f979c5fff7b 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -3524,6 +3524,8 @@  static int tegra_sor_probe(struct platform_device *pdev)
 
 		if (!sor->aux)
 			return -EPROBE_DEFER;
+
+		sor->output.ddc = &sor->aux->ddc;
 	}
 
 	if (!sor->aux) {