]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
drm/vc4: Fix clock source for VEC PixelValve on BCM2711
authorMateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
Thu, 20 May 2021 15:03:41 +0000 (17:03 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 19 Jul 2021 08:00:47 +0000 (10:00 +0200)
[ Upstream commit fc7a8abcee2225d6279ff785d33e24d70c738c6e ]

On the BCM2711 (Raspberry Pi 4), the VEC is actually connected to
output 2 of pixelvalve3.

NOTE: This contradicts the Broadcom docs, but has been empirically
tested and confirmed by Raspberry Pi firmware devs.

Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210520150344.273900-2-maxime@cerno.tech
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/vc4/vc4_crtc.c

index 1f36b67cd6ce919c13783dd20083ab30c9b7c546..e0fd9b74baae604997d3994969467a546f3b41f4 100644 (file)
@@ -1035,7 +1035,7 @@ static const struct vc4_pv_data bcm2711_pv3_data = {
        .fifo_depth = 64,
        .pixels_per_clock = 1,
        .encoder_types = {
-               [0] = VC4_ENCODER_TYPE_VEC,
+               [PV_CONTROL_CLK_SELECT_VEC] = VC4_ENCODER_TYPE_VEC,
        },
 };