diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2019-08-02 12:20:33 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-02-12 11:06:02 +0100 |
| commit | 77f02081e6f59ef58c3cf4828d6b3ac07e539bd8 (patch) | |
| tree | cd6241352263b8a45e6c1eca7163270367cb68bb /drivers | |
| parent | afb58978e0bc1704c186cd3037cbfa96141c900b (diff) | |
imx-hdp.c: enable scdc at 4k again
Commit "680eee23d001 imx-hdp.c: fix default resolution" changed the default
resolution to 1080p.
The same mode timings were used to detect a 4k mode and then reconfigure for
HDMI2.0 SCDC. Rework the code to correctly detect a 4k mode.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/imx/hdp/imx-hdp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/imx/hdp/imx-hdp.c b/drivers/gpu/drm/imx/hdp/imx-hdp.c index 0054b0af0854..2f68f95c793f 100644 --- a/drivers/gpu/drm/imx/hdp/imx-hdp.c +++ b/drivers/gpu/drm/imx/hdp/imx-hdp.c @@ -34,6 +34,8 @@ struct drm_display_mode *g_mode; uint8_t g_default_mode = 2; +static const uint8_t g_4kp60_mode = 3; + static struct drm_display_mode edid_cea_modes[] = { /* 3 - 720x480@60Hz */ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, @@ -1427,7 +1429,7 @@ static void hotplug_work_func(struct work_struct *work) /* For HDMI2.0 SCDC should setup again. * So recovery pre video mode if it is 4Kp60 */ if (drm_mode_equal(&hdp->video.pre_mode, - &edid_cea_modes[g_default_mode])) + &edid_cea_modes[g_4kp60_mode])) imx_hdp_mode_setup(hdp, &hdp->video.pre_mode); DRM_INFO("HDMI/DP Cable Plug In\n"); enable_irq(hdp->irq[HPD_IRQ_OUT]); |