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drm/rockchip: vop2: reset dclk after config stream output

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In RK3576, DP0 attach to VP1 or VP2 will cause vertical stripe. It
need reset dclk after config stream output to avoid this issue.

Change-Id: I00112e8541828ed53a2ea91e7d79f8d148a7b3df
Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
This commit is contained in:
Zhang Yubing
2024-12-17 11:10:42 +08:00
committed by Tao Huang
parent cd51e4eb73
commit fdcec7349c
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -1070,6 +1070,7 @@ static DRM_ENUM_NAME_FN(drm_get_bus_format_name, drm_bus_format_enum_list)
static inline void vop2_cfg_done(struct drm_crtc *crtc);
static void vop2_wait_for_fs_by_done_bit_status(struct vop2_video_port *vp);
static int vop2_clk_reset(struct reset_control *rstc);
static inline struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc)
{
@@ -1267,6 +1268,9 @@ static void vop2_crtc_output_post_enable(struct drm_crtc *crtc, int intf)
vop2_wait_for_fs_by_done_bit_status(vp);
}
if (!vp->loader_protect)
vop2_clk_reset(vp->dclk_rst);
drm_info(vop2, "vop enable intf:%x\n", intf);
}
@@ -10303,8 +10307,6 @@ static void vop2_crtc_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_sta
vop3_mcu_mode_setup(crtc);
}
if (!vp->loader_protect)
vop2_clk_reset(vp->dclk_rst);
if (vcstate->dsc_enable)
rk3588_vop2_dsc_cfg_done(crtc);
drm_crtc_vblank_on(crtc);