[PATCH 16/25] drm/msm/dpu: drop EAGAIN check from dpu_format_populate_layout

[Dmitry Baryshkov]

Since layout is not cached anymore, drop comparison against previous
layout and corresponding EAGAIN handling.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c | 4 ----
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c   | 5 +----
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
index 440ae93d7bd1..5c7d739143f0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
@@ -927,10 +927,6 @@ int dpu_format_populate_layout(
 	else
 		ret = _dpu_format_populate_addrs_linear(aspace, fb, layout);
 
-	/* check if anything changed */
-	if (!ret && !memcmp(plane_addr, layout->plane_addr, sizeof(plane_addr)))
-		ret = -EAGAIN;
-
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index a521c0681af6..b2395f02f6d3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1061,10 +1061,7 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 	memset(&pipe_cfg, 0, sizeof(struct dpu_hw_pipe_cfg));
 
 	ret = dpu_format_populate_layout(aspace, fb, &layout);
-	if (ret == -EAGAIN) {
-		DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n");
-		update_src_addr = false;
-	} else if (ret) {
+	if (ret) {
 		DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret);
 		update_src_addr = false;
 	}
-- 
2.34.1