diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2023-03-06 11:46:44 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2023-04-25 09:32:52 +0200 |
| commit | d6020f4b26179481c7cb13aa94d7abcdfd8a4326 (patch) | |
| tree | 0d53b8b12905303cb57d8b141a9c4d9a64517a4d /drivers/gpu/drm/vc4/vc4_hdmi.h | |
| parent | bb1b6094c099668e21b1b47c9327c01f5c395997 (diff) | |
drm/vc4: hdmi: Add Broadcast RGB property to allow override of RGB range
Copy Intel's "Broadcast RGB" property semantics to add manual override
of the HDMI pixel range for monitors that don't abide by the content
of the AVI Infoframe.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Hans Verkuil <hverkuil-cisco at xs4all.nl>
Link: https://lore.kernel.org/r/20221207-rpi-hdmi-improvements-v3-3-bdd54f66884e@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.h')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index b57ffbca5721..934d5d61485a 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -117,6 +117,12 @@ enum vc4_hdmi_output_format { VC4_HDMI_OUTPUT_YUV420, }; +enum vc4_hdmi_broadcast_rgb { + VC4_HDMI_BROADCAST_RGB_AUTO, + VC4_HDMI_BROADCAST_RGB_FULL, + VC4_HDMI_BROADCAST_RGB_LIMITED, +}; + /* General HDMI hardware state. */ struct vc4_hdmi { struct vc4_hdmi_audio audio; @@ -129,6 +135,8 @@ struct vc4_hdmi { struct delayed_work scrambling_work; + struct drm_property *broadcast_rgb_property; + struct i2c_adapter *ddc; void __iomem *hdmicore_regs; void __iomem *hd_regs; @@ -237,6 +245,7 @@ struct vc4_hdmi_connector_state { unsigned long long tmds_char_rate; unsigned int output_bpc; enum vc4_hdmi_output_format output_format; + enum vc4_hdmi_broadcast_rgb broadcast_rgb; }; #define conn_state_to_vc4_hdmi_conn_state(_state) \ |