From: Andrey Grodzovsky <[email protected]>

Use DC interface to query for plane update type
so in case of FULL update you flush any outstanding
commits.

Change-Id: If9104ba3072f115a2fe2fe1e86882b1a8b07bb5e
Signed-off-by: Andrey Grodzovsky <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
---
 .../drm/amd/display/amdgpu_dm/amdgpu_dm_types.c    | 69 +++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index ab6a969743a0..74981c24d6a6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -3048,6 +3048,61 @@ static uint32_t remove_from_val_sets(
        return set_count;
 }
 
+
+static enum surface_update_type  amdgpu_dm_check_surfaces_update_type(
+               struct dc *dc,
+               const struct dc_surface **new_surfaces,
+               uint8_t new_surface_count,
+               const struct dc_stream *dc_stream)
+{
+       struct dc_surface_update srf_updates[MAX_SURFACES];
+       struct dc_flip_addrs flip_addr[MAX_SURFACES];
+       struct dc_plane_info plane_info[MAX_SURFACES];
+       struct dc_scaling_info scaling_info[MAX_SURFACES];
+       int i;
+       const struct dc_stream_status *stream_status =
+                       dc_stream_get_status(dc_stream);
+       enum surface_update_type update_type;
+
+       ASSERT(stream_status);
+
+
+       memset(srf_updates, 0, sizeof(srf_updates));
+       memset(flip_addr, 0, sizeof(flip_addr));
+       memset(plane_info, 0, sizeof(plane_info));
+       memset(scaling_info, 0, sizeof(scaling_info));
+
+       for (i = 0; i < new_surface_count; i++) {
+               srf_updates[i].surface = new_surfaces[i];
+               srf_updates[i].gamma =
+                       (struct dc_gamma *)new_surfaces[i]->gamma_correction;
+               flip_addr[i].address = new_surfaces[i]->address;
+               flip_addr[i].flip_immediate = new_surfaces[i]->flip_immediate;
+               plane_info[i].color_space = new_surfaces[i]->color_space;
+               plane_info[i].format = new_surfaces[i]->format;
+               plane_info[i].plane_size = new_surfaces[i]->plane_size;
+               plane_info[i].rotation = new_surfaces[i]->rotation;
+               plane_info[i].horizontal_mirror = 
new_surfaces[i]->horizontal_mirror;
+               plane_info[i].stereo_format = new_surfaces[i]->stereo_format;
+               plane_info[i].tiling_info = new_surfaces[i]->tiling_info;
+               plane_info[i].visible = new_surfaces[i]->visible;
+               plane_info[i].dcc = new_surfaces[i]->dcc;
+               scaling_info[i].scaling_quality = 
new_surfaces[i]->scaling_quality;
+               scaling_info[i].src_rect = new_surfaces[i]->src_rect;
+               scaling_info[i].dst_rect = new_surfaces[i]->dst_rect;
+               scaling_info[i].clip_rect = new_surfaces[i]->clip_rect;
+
+               srf_updates[i].flip_addr = &flip_addr[i];
+               srf_updates[i].plane_info = &plane_info[i];
+               srf_updates[i].scaling_info = &scaling_info[i];
+       }
+
+       update_type = dc_check_update_surfaces_for_stream(
+                       dc, srf_updates, new_surface_count, NULL, 
stream_status);
+
+       return update_type;
+}
+
 int amdgpu_dm_atomic_check(struct drm_device *dev,
                        struct drm_atomic_state *state)
 {
@@ -3292,13 +3347,25 @@ int amdgpu_dm_atomic_check(struct drm_device *dev,
                                                        surface);
 
                                need_to_validate = true;
-                               wait_for_prev_commits = true;
                        }
                }
        }
 
        context = dc_get_validate_context(dc, set, set_count);
 
+       for (i = 0; i < set_count; i++) {
+               for (j = 0; j < set[i].surface_count; j++) {
+                       if (amdgpu_dm_check_surfaces_update_type(
+                                       dc,
+                                       set[i].surfaces,
+                                       set[i].surface_count,
+                                       set[i].stream) > UPDATE_TYPE_MED) {
+                               wait_for_prev_commits = true;
+                               break;
+                       }
+               }
+       }
+
        if (need_to_validate == false || set_count == 0 || context) {
 
                ret = 0;
-- 
2.11.0

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