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From 66ea729d92dcdb5701649ad8dafbe449acb63b47 Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Date: Wed, 26 Jul 2017 15:52:28 -0400
Subject: [PATCH 0699/4131] drm/amd/display: Implement plane atomic_check.
Use per surface validation hook.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ad8dc2c..8f3038f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3291,9 +3291,26 @@ int dm_create_validation_set_for_connector(struct drm_connector *connector,
return MODE_OK;
}
+int dm_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct amdgpu_device *adev = plane->dev->dev_private;
+ struct dc *dc = adev->dm.dc;
+ struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
+
+ if (!dm_plane_state->surface)
+ return true;
+
+ if (dc_validate_surface(dc, dm_plane_state->surface))
+ return 0;
+
+ return -EINVAL;
+}
+
static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
.prepare_fb = dm_plane_helper_prepare_fb,
.cleanup_fb = dm_plane_helper_cleanup_fb,
+ .atomic_check = dm_plane_atomic_check,
};
/*
--
2.7.4
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