riscv:linux:drm

fix mipi_dsi atomic supporting problem

Signed-off-by: shengyang.chen<shengyang.chen@starfivetech.com>

diff --git a/drivers/gpu/drm/verisilicon/vs_crtc.c b/drivers/gpu/drm/verisilicon/vs_crtc.c
index 1ebe490..21398bb 100644 (file)
--- a/drivers/gpu/drm/verisilicon/vs_crtc.c
+++ b/drivers/gpu/drm/verisilicon/vs_crtc.c
@@ -189,6 +189,10 @@ static int vs_crtc_late_register(struct drm_crtc *crtc)
 static int vs_crtc_enable_vblank(struct drm_crtc *crtc)
 {
        struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
+       struct vs_crtc_state *vs_crtc_state = to_vs_crtc_state(crtc->state);
+
+       if (vs_crtc_state->encoder_type == DRM_MODE_ENCODER_DSI)
+               vs_crtc->funcs->enable(vs_crtc->dev, crtc);
 
        vs_crtc->funcs->enable_vblank(vs_crtc->dev, true);
 
@@ -271,7 +275,10 @@ static void vs_crtc_atomic_enable(struct drm_crtc *crtc,
        if (vs_crtc_state->encoder_type != DRM_MODE_ENCODER_DSI){
                vs_crtc->funcs->enable(vs_crtc->dev, crtc);
                drm_crtc_vblank_on(crtc);
+       } else {
+               drm_crtc_vblank_on(crtc);
        }
+
 }
 
 static void vs_crtc_atomic_disable(struct drm_crtc *crtc,
@@ -305,11 +312,6 @@ static void vs_crtc_atomic_begin(struct drm_crtc *crtc,
        struct drm_color_lut *lut;
        struct vs_crtc_state *vs_crtc_state = to_vs_crtc_state(crtc->state);
 
-       if (vs_crtc_state->encoder_type == DRM_MODE_ENCODER_DSI){
-               vs_crtc->funcs->enable(vs_crtc->dev, crtc);
-               drm_crtc_vblank_on(crtc);
-       }
-
        if (crtc_state->color_mgmt_changed) {
                if ((blob) && (blob->length)) {
                        lut = blob->data;