diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-10-04 17:19:12 +0300 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-10-18 21:40:12 +0300 |
commit | cfd6f8c3a94a96c003a8929b66d6d54181b9420d (patch) | |
tree | da98aa27e8cd3945ca679f9fe27673ed76f19aab /drivers/gpu/drm/drm_edid.c | |
parent | 28c03a4447b627c44ddb6b51788cc63791aabd78 (diff) | |
download | linux-cfd6f8c3a94a96c003a8929b66d6d54181b9420d.tar.xz |
drm/edid: Extract drm_mode_cea_vic()
Extract the logic to compute the final CEA VIC to a small helper.
We'll reorder it a bit to make future modifications more
straightforward. No function changes.
Cc: Wayne Lin <waynelin@amd.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004141914.20600-2-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r-- | drivers/gpu/drm/drm_edid.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 75aaabc861f5..68f2c885d8ab 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -5161,6 +5161,35 @@ drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame, } EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata); +static u8 drm_mode_cea_vic(struct drm_connector *connector, + const struct drm_display_mode *mode) +{ + u8 vendor_if_vic = drm_match_hdmi_mode(mode); + bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK; + u8 vic; + + /* + * HDMI spec says if a mode is found in HDMI 1.4b 4K modes + * we should send its VIC in vendor infoframes, else send the + * VIC in AVI infoframes. Lets check if this mode is present in + * HDMI 1.4b 4K modes + */ + if (drm_valid_hdmi_vic(vendor_if_vic) && !is_s3d) + return 0; + + vic = drm_match_cea_mode(mode); + + /* + * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but + * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we + * have to make sure we dont break HDMI 1.4 sinks. + */ + if (!is_hdmi2_sink(connector) && vic > 64) + return 0; + + return vic; +} + /** * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with * data from a DRM display mode @@ -5188,29 +5217,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, if (mode->flags & DRM_MODE_FLAG_DBLCLK) frame->pixel_repeat = 1; - frame->video_code = drm_match_cea_mode(mode); - - /* - * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but - * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we - * have to make sure we dont break HDMI 1.4 sinks. - */ - if (!is_hdmi2_sink(connector) && frame->video_code > 64) - frame->video_code = 0; - - /* - * HDMI spec says if a mode is found in HDMI 1.4b 4K modes - * we should send its VIC in vendor infoframes, else send the - * VIC in AVI infoframes. Lets check if this mode is present in - * HDMI 1.4b 4K modes - */ - if (frame->video_code) { - u8 vendor_if_vic = drm_match_hdmi_mode(mode); - bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK; - - if (drm_valid_hdmi_vic(vendor_if_vic) && !is_s3d) - frame->video_code = 0; - } + frame->video_code = drm_mode_cea_vic(connector, mode); frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE; |