Commit f2f96619 authored by Cristian Ciocaltea's avatar Cristian Ciocaltea Committed by Dmitry Baryshkov
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drm/connector: hdmi: Validate supported_formats matches ycbcr_420_allowed 



Ensure HDMI connector initialization fails when the presence of
HDMI_COLORSPACE_YUV420 in the given supported_formats bitmask doesn't
match the value of drm_connector->ycbcr_420_allowed.

Suggested-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarCristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-3-a9ceb5671379@collabora.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 1bd1562d

drivers/gpu/drm/drm_connector.c

+3 −0
Original line number Diff line number Diff line
@@ -507,6 +507,9 @@ int drmm_connector_hdmi_init(struct drm_device *dev, 
	if (!supported_formats || !(supported_formats & BIT(HDMI_COLORSPACE_RGB)))

		return -EINVAL;



	if (connector->ycbcr_420_allowed != !!(supported_formats & BIT(HDMI_COLORSPACE_YUV420)))

		return -EINVAL;



	if (!(max_bpc == 8 || max_bpc == 10 || max_bpc == 12))

		return -EINVAL;