[PATCH 03/35] drm/amd/display: Use the right surface for flip and FreeSync

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From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>

[Why]
We were always passing the first surface on the stream status for
flip updates when we should be using the surface associated with
the plane.

[How]
Use the dc_plane_state from the plane that's being updated.

FreeSync should also only keep track of updates from the primary
plane, so the check needed to be updated.

The acrtc->stream state doesn't need to be checked for NULL before
updating FreeSync either since there needs to be a stream to be
inside this function as a prerequisite.

Change-Id: Iac7f32358d6012d31a25e01053051f1f6623e821
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Reviewed-by: David Francis <David.Francis@xxxxxxx>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c   | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

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 3f50f7f0b8f0..87f43674e6f9 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4742,7 +4742,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 	unsigned long flags;
 	struct amdgpu_bo *abo;
 	uint64_t tiling_flags, dcc_address;
-	struct dc_stream_status *stream_status;
 	uint32_t target, target_vblank;
 
 	struct {
@@ -4773,7 +4772,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 		struct drm_framebuffer *fb = new_plane_state->fb;
 		struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb);
 		bool pflip_needed;
-		struct dc_plane_state *surface, *dc_plane;
+		struct dc_plane_state *dc_plane;
 		struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state);
 
 		if (plane->type == DRM_PLANE_TYPE_CURSOR) {
@@ -4836,28 +4835,20 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			timestamp_ns = ktime_get_ns();
 			flip->flip_addrs[flip_count].flip_timestamp_in_us = div_u64(timestamp_ns, 1000);
 			flip->surface_updates[flip_count].flip_addr = &flip->flip_addrs[flip_count];
+			flip->surface_updates[flip_count].surface = dc_plane;
 
-			stream_status = dc_stream_get_status(acrtc_state->stream);
-			if (!stream_status) {
-				DRM_ERROR("No stream status for CRTC: id=%d\n",
-						acrtc_attach->crtc_id);
-				continue;
-			}
-
-			surface = stream_status->plane_states[0];
-			flip->surface_updates[flip_count].surface = surface;
 			if (!flip->surface_updates[flip_count].surface) {
 				DRM_ERROR("No surface for CRTC: id=%d\n",
 						acrtc_attach->crtc_id);
 				continue;
 			}
 
-			if (acrtc_state->stream)
+			if (plane == pcrtc->primary)
 				update_freesync_state_on_stream(
 					dm,
 					acrtc_state,
 					acrtc_state->stream,
-					surface,
+					dc_plane,
 					flip->flip_addrs[flip_count].flip_timestamp_in_us);
 
 			DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x\n",
-- 
2.17.1

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