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| author | Maxime Ripard <maxime@cerno.tech> | 2022-02-22 19:40:42 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-03-24 15:44:00 +0300 |
| commit | e769a3504e273309c9fe4a417d427c8dbff4cf1c (patch) | |
| tree | 4c5475c00488620656a94d8cf237a7f6f8ea63e7 /drivers/gpu/drm/vc4/vc4_hdmi.h | |
| parent | dd39d024a8471e88951f8494f19e693c9e3185a9 (diff) | |
| download | linux-e769a3504e273309c9fe4a417d427c8dbff4cf1c.tar.xz | |
drm/vc4: hdmi: Support HDMI YUV output
In addition to the RGB444 output, the BCM2711 HDMI controller supports
the YUV444 and YUV422 output formats.
Let's add support for them in the driver, but still use RGB as the
preferred format.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222164042.403112-8-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.h')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 79a1a10c40a8..b642971a811e 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -117,6 +117,13 @@ struct vc4_hdmi_audio { bool streaming; }; +enum vc4_hdmi_output_format { + VC4_HDMI_OUTPUT_RGB, + VC4_HDMI_OUTPUT_YUV422, + VC4_HDMI_OUTPUT_YUV444, + VC4_HDMI_OUTPUT_YUV420, +}; + /* General HDMI hardware state. */ struct vc4_hdmi { struct vc4_hdmi_audio audio; @@ -222,6 +229,12 @@ struct vc4_hdmi { * outside of KMS hooks. Protected by @mutex. */ unsigned int output_bpc; + + /** + * @output_format: Copy of @vc4_connector_state.output_format + * for use outside of KMS hooks. Protected by @mutex. + */ + enum vc4_hdmi_output_format output_format; }; static inline struct vc4_hdmi * @@ -242,6 +255,7 @@ struct vc4_hdmi_connector_state { struct drm_connector_state base; unsigned long long tmds_char_rate; unsigned int output_bpc; + enum vc4_hdmi_output_format output_format; }; static inline struct vc4_hdmi_connector_state * |