* [RFC PATCH] drm/rockchip: vop_reg: add rk3036 hdmi support
@ 2021-01-31 12:51 Johan Jonker
0 siblings, 0 replies; only message in thread
From: Johan Jonker @ 2021-01-31 12:51 UTC (permalink / raw)
To: heiko
Cc: hjc, airlied, daniel, dri-devel, linux-rockchip,
linux-arm-kernel, linux-kernel
A Rockchip Inno HDMI driver was added, but the rk3036
VOP regs with HDMI support in the manufacturer tree never
made it to the mainline kernel.
This patch adds only hdmi_en and hdmi_dclk_pol.
The inno hdmi driver must set hdmi_pin_pol in
GRF_SOC_CON2.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---
Not tested with hardware
---
drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 0697057e7..c164690a1 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -147,6 +147,8 @@ static const struct vop_modeset rk3036_modeset = {
static const struct vop_output rk3036_output = {
.pin_pol = VOP_REG(RK3036_DSP_CTRL0, 0xf, 4),
+ .hdmi_en = VOP_REG(RK3036_AXI_BUS_CTRL, 0x1, 22),
+ .hdmi_dclk_pol = VOP_REG(RK3036_AXI_BUS_CTRL, 0x1, 23),
};
static const struct vop_common rk3036_common = {
--
2.11.0
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