[PATCH 09/14] drm/vmwgfx: Calculate the cursor position based on the crtc gui origin

[Thomas Hellstrom <thellstrom@xxxxxxxxxx>]

Base the cursor position on the coordinate of the crtc origin in the
gui coordinate system rather than in the framebuffer coordinate system.

With explicit placement, these may differ (for example when two crtcs
scan out of the same framebuffer location).

Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c  | 4 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.h  | 2 ++
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c  | 2 ++
 drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 2 ++
 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 2 ++
 5 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 0e2340f..4742ec4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -236,8 +236,8 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
 	bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
 
-	du->cursor_x = x + crtc->x;
-	du->cursor_y = y + crtc->y;
+	du->cursor_x = x + du->set_gui_x;
+	du->cursor_y = y + du->set_gui_y;
 
 	/*
 	 * FIXME: Unclear whether there's any global state touched by the
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index aa21aff..5720321 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -179,6 +179,8 @@ struct vmw_display_unit {
 	int gui_y;
 	bool is_implicit;
 	bool active_implicit;
+	int set_gui_x;
+	int set_gui_y;
 };
 
 #define vmw_crtc_to_du(x) \
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 13b1047..63ccd98 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -288,6 +288,8 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
 	crtc->y = set->y;
 	crtc->mode = *mode;
 	crtc->enabled = true;
+	ldu->base.set_gui_x = set->x;
+	ldu->base.set_gui_y = set->y;
 
 	vmw_ldu_add_active(dev_priv, ldu, vfb);
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 7ca13ec..8a3d3c9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -144,6 +144,8 @@ static int vmw_sou_fifo_create(struct vmw_private *dev_priv,
 		cmd->obj.root.x = sou->base.gui_x;
 		cmd->obj.root.y = sou->base.gui_y;
 	}
+	sou->base.set_gui_x = cmd->obj.root.x;
+	sou->base.set_gui_y = cmd->obj.root.y;
 
 	/* Ok to assume that buffer is pinned in vram */
 	vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 1cd88d1..fe42a2c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -202,6 +202,8 @@ static int vmw_stdu_define_st(struct vmw_private *dev_priv,
 		cmd->body.xRoot  = stdu->base.gui_x;
 		cmd->body.yRoot  = stdu->base.gui_y;
 	}
+	stdu->base.set_gui_x = cmd->body.xRoot;
+	stdu->base.set_gui_y = cmd->body.yRoot;
 
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
 
-- 
2.5.0


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