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drm/rockchip: vop2: No need for a full modested when the only writeback connector changed

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Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I2c1f9e20777de3cb581b4c6678ff4f268cd97522
This commit is contained in:
Sandy Huang
2023-05-30 09:59:16 +08:00
committed by Tao Huang
parent e2a24104ee
commit c7e2a3387e
1 changed files with 21 additions and 2 deletions
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drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+21 -2
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@@ -3142,6 +3142,18 @@ vop2_wb_connector_mode_valid(struct drm_connector *connector,
return MODE_OK;
}
static inline bool
vop2_wb_connector_changed_only(struct drm_crtc_state *cstate, struct drm_connector *conn)
{
struct drm_crtc_state *old_state;
u32 changed_connectors;
old_state = drm_atomic_get_old_crtc_state(cstate->state, cstate->crtc);
changed_connectors = cstate->connector_mask ^ old_state->connector_mask;
return BIT(drm_connector_index(conn)) == changed_connectors;
}
static int vop2_wb_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *cstate,
struct drm_connector_state *conn_state)
@@ -3153,8 +3165,15 @@ static int vop2_wb_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_gem_object *obj, *uv_obj;
struct rockchip_gem_object *rk_obj, *rk_uv_obj;
/*
* No need for a full modested when the only connector changed is the
* writeback connector.
*/
if (cstate->connectors_changed &&
vop2_wb_connector_changed_only(cstate, conn_state->connector)) {
cstate->connectors_changed = false;
DRM_DEBUG("VP%d force change connectors_changed to false when only wb changed\n", vp->id);
}
if (!conn_state->writeback_job || !conn_state->writeback_job->fb)
return 0;