Patch does not introduce any functional change but would help out when
introducing DRM_COLOR_FORMAT enum in a sub-sequent patch.
Auto will implictly fallthrough to RGB as that should be further
driver-defined.
Signed-off-by: Marius Vlad <marius.v...@collabora.com>
---
drivers/gpu/drm/display/drm_hdmi_state_helper.c | 3 +++
drivers/gpu/drm/drm_connector.c | 1 +
drivers/video/hdmi.c | 4 ++--
include/linux/hdmi.h | 2 +-
4 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c
b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
index a561f124be99..f9aa922d25d3 100644
--- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c
+++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
@@ -417,6 +417,9 @@ sink_supports_format_bpc(const struct drm_connector
*connector,
}
switch (format) {
+ case HDMI_COLORSPACE_AUTO:
+ drm_dbg_kms(dev, "AUTO format. Fallback to RGB.\n");
+ fallthrough;
case HDMI_COLORSPACE_RGB:
drm_dbg_kms(dev, "RGB Format, checking the constraints.\n");
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 272d6254ea47..24edba01f2f0 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -1424,6 +1424,7 @@ static const char * const output_format_str[] = {
[HDMI_COLORSPACE_YUV420] = "YUV 4:2:0",
[HDMI_COLORSPACE_YUV422] = "YUV 4:2:2",
[HDMI_COLORSPACE_YUV444] = "YUV 4:4:4",
+ [HDMI_COLORSPACE_AUTO] = "AUTO",
};
/*
diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c
index 45b42f14a750..74fe925c69a2 100644
--- a/drivers/video/hdmi.c
+++ b/drivers/video/hdmi.c
@@ -1031,8 +1031,8 @@ static const char *hdmi_colorspace_get_name(enum
hdmi_colorspace colorspace)
return "YCbCr 4:4:4";
case HDMI_COLORSPACE_YUV420:
return "YCbCr 4:2:0";
- case HDMI_COLORSPACE_RESERVED4:
- return "Reserved (4)";
+ case HDMI_COLORSPACE_AUTO:
+ return "Auto";
case HDMI_COLORSPACE_RESERVED5:
return "Reserved (5)";
case HDMI_COLORSPACE_RESERVED6:
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index 96bda41d9148..045402033763 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -82,7 +82,7 @@ enum hdmi_colorspace {
HDMI_COLORSPACE_YUV422,
HDMI_COLORSPACE_YUV444,
HDMI_COLORSPACE_YUV420,
- HDMI_COLORSPACE_RESERVED4,
+ HDMI_COLORSPACE_AUTO,
HDMI_COLORSPACE_RESERVED5,
HDMI_COLORSPACE_RESERVED6,
HDMI_COLORSPACE_IDO_DEFINED,
--
2.47.2
