[PATCH 1/7] drm/msm/dpu: enable PINGPONG TE operations only when supported by HW

[Dmitry Baryshkov <dmitry.baryshkov@linaro.org>]

The DPU_PINGPONG_TE bit is set for all PINGPONG blocks on DPU < 5.0.
Rather than checking for the flag, check for the presense of the
corresponding interrupt line.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
index 9298c166b213..912a3bdf8ad4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.c
@@ -296,7 +296,7 @@ struct dpu_hw_pingpong *dpu_hw_pingpong_init(const struct dpu_pingpong_cfg *cfg,
 	c->idx = cfg->id;
 	c->caps = cfg;
 
-	if (test_bit(DPU_PINGPONG_TE, &cfg->features)) {
+	if (cfg->intr_rdptr) {
 		c->ops.enable_tearcheck = dpu_hw_pp_enable_te;
 		c->ops.disable_tearcheck = dpu_hw_pp_disable_te;
 		c->ops.connect_external_te = dpu_hw_pp_connect_external_te;
-- 
2.39.2