6.15-stable review patch. If anyone has any objections, please let me know.
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From: Andy Yan andy.yan@rock-chips.com
[ Upstream commit c5996e4ab109c8bb5541453b20647eaaf9350f41 ]
Because the layer/window enable/disable is take effect by vsync, if the overlay configuration of these layers does not follow vsync and takes effect immediately instead, when multiple layers are dynamically enable/disable, inconsistent display contents may be seen on the screen.
Signed-off-by: Andy Yan andy.yan@rock-chips.com Signed-off-by: Heiko Stuebner heiko@sntech.de Link: https://lore.kernel.org/r/20250318062024.4555-1-andyshrk@163.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/rockchip/rockchip_drm_vop2.h | 1 + drivers/gpu/drm/rockchip/rockchip_vop2_reg.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h index 680bedbb770e6..fc3ecb9fcd957 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.h @@ -710,6 +710,7 @@ enum dst_factor_mode {
#define VOP2_COLOR_KEY_MASK BIT(31)
+#define RK3568_OVL_CTRL__LAYERSEL_REGDONE_SEL GENMASK(31, 30) #define RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD BIT(28) #define RK3568_OVL_CTRL__YUV_MODE(vp) BIT(vp)
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c index 0a2840cbe8e22..32c4ed6857395 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c @@ -2070,7 +2070,10 @@ static void rk3568_vop2_setup_layer_mixer(struct vop2_video_port *vp) struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(vp->crtc.state);
ovl_ctrl = vop2_readl(vop2, RK3568_OVL_CTRL); - ovl_ctrl |= RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD; + ovl_ctrl &= ~RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD; + ovl_ctrl &= ~RK3568_OVL_CTRL__LAYERSEL_REGDONE_SEL; + ovl_ctrl |= FIELD_PREP(RK3568_OVL_CTRL__LAYERSEL_REGDONE_SEL, vp->id); + if (vcstate->yuv_overlay) ovl_ctrl |= RK3568_OVL_CTRL__YUV_MODE(vp->id); else