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From 1efbdbc42a634ffa7277aaec4d9ee8d39fd08c50 Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Tue, 3 Aug 2021 14:59:22 +0200
Subject: drm/mgag200: Use offset-adjusted shadow-plane mappings
Git-commit: af022daf08a41a68e787cca2f66bce39945e7558
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

For framebuffers with non-zero offset fields, shadow-plane helpers
provide a pointer to the first byte of the contained data. Use it in
mgag200.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-6-tzimmermann@suse.de
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_mode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 6cb24a4b76b8..fd98e8bbc550 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -898,7 +898,7 @@ mgag200_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
 	mga_crtc_load_lut(crtc);
 	mgag200_enable_display(mdev);
 
-	mgag200_handle_damage(mdev, fb, &fullscreen, &shadow_plane_state->map[0]);
+	mgag200_handle_damage(mdev, fb, &fullscreen, &shadow_plane_state->data[0]);
 }
 
 static void
@@ -959,7 +959,7 @@ mgag200_simple_display_pipe_update(struct drm_simple_display_pipe *pipe,
 		return;
 
 	if (drm_atomic_helper_damage_merged(old_state, state, &damage))
-		mgag200_handle_damage(mdev, fb, &damage, &shadow_plane_state->map[0]);
+		mgag200_handle_damage(mdev, fb, &damage, &shadow_plane_state->data[0]);
 }
 
 static struct drm_crtc_state *
-- 
2.38.1