diff options
| author |   Stuart Menefy <stuart.menefy@mathembedded.com> | 2022-09-08 16:51:03 +0100 |
|---|---|---|
| committer |   Neil Armstrong <narmstrong@baylibre.com> | 2022-09-09 13:33:44 +0200 |
| commit | 6836829c8ea453c9e3e518e61539e35881c8ed5f (patch) | |
| tree | b565739432ca65ac0b584bede667bd9d7e949269 /drivers/gpu/drm | |
| parent | drm/panel-edp: Fix delays for Innolux N116BCA-EA1 (diff) | |
| download | linux-dev-6836829c8ea453c9e3e518e61539e35881c8ed5f.tar.xz linux-dev-6836829c8ea453c9e3e518e61539e35881c8ed5f.zip | |
drm/meson: Correct OSD1 global alpha value
VIU_OSD1_CTRL_STAT.GLOBAL_ALPHA is a 9 bit field, so the maximum
value is 0x100 not 0xff.
This matches the vendor kernel.
Signed-off-by: Stuart Menefy <stuart.menefy@mathembedded.com>
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908155103.686904-1-stuart.menefy@mathembedded.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_plane.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index b9ac932af8d0..03acc68abf2c 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -170,7 +170,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane, /* Enable OSD and BLK0, set max global alpha */ priv->viu.osd1_ctrl_stat = OSD_ENABLE | - (0xFF << OSD_GLOBAL_ALPHA_SHIFT) | + (0x100 << OSD_GLOBAL_ALPHA_SHIFT) | OSD_BLK0_ENABLE; priv->viu.osd1_ctrl_stat2 = readl(priv->io_base + |