diff options
| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2014-01-23 14:53:52 -0700 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2020-08-13 16:04:33 +0200 |
| commit | db35b4b776946f453843e4125c08679e8a16fd94 (patch) | |
| tree | 55738dac326b1c2acf7fc3d3fb6a3db4c4f86ff2 /drivers/video | |
| parent | 6c01a073d68f988f864273680b672523523ec814 (diff) | |
mxc_hdmi: Add only_cea parameter to mxc_hdmi module
When this boolean parameter is true, only add
CEA modes to modelist.
Signed-off-by: Robert Winkler <robert.winkler@boundarydevices.com>
Acked-by: Eric Nelson <eric.nelson@boundarydevices.com>
(cherry picked from commit a78fe11904ebd4d3f72438f8b14dfa4eaab7d638)
(cherry picked from commit d69533a9575de0aaeeaca19b4f5ed8ef794257a6)
[rebased to 4.9, use bool as data type]
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
(cherry picked from commit 62051eeeae997877e2103d45b8bddb86a2f0d94b)
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/mxc/mxc_hdmi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/video/fbdev/mxc/mxc_hdmi.c b/drivers/video/fbdev/mxc/mxc_hdmi.c index 6d5eb65b6ef1..519d4dfc8ab4 100644 --- a/drivers/video/fbdev/mxc/mxc_hdmi.c +++ b/drivers/video/fbdev/mxc/mxc_hdmi.c @@ -72,6 +72,10 @@ #define YCBCR422_8BITS 3 #define XVYCC444 4 +static bool only_cea; +module_param(only_cea, bool, 0644); +MODULE_PARM_DESC(only_cea, "Allow only CEA modes"); + /* * We follow a flowchart which is in the "Synopsys DesignWare Courses * HDMI Transmitter Controller User Guide, 1.30a", section 3.1 @@ -1809,7 +1813,7 @@ static void mxc_hdmi_edid_rebuild_modelist(struct mxc_hdmi *hdmi) mode = &hdmi->fbi->monspecs.modedb[i]; if (!(mode->vmode & FB_VMODE_INTERLACED) && - (mxc_edid_mode_to_vic(mode) != 0)) { + (!only_cea || mxc_edid_mode_to_vic(mode))) { dev_dbg(&hdmi->pdev->dev, "Added mode %d:", i); dev_dbg(&hdmi->pdev->dev, @@ -1957,8 +1961,9 @@ static void mxc_hdmi_cable_connected(struct mxc_hdmi *hdmi) mxc_hdmi_edid_rebuild_modelist(hdmi); break; - /* Nothing to do if EDID same */ + /* Rebuild even if they're the same in case only_cea changed */ case HDMI_EDID_SAME: + mxc_hdmi_edid_rebuild_modelist(hdmi); break; case HDMI_EDID_FAIL: |