Store the image size as part of the HW cursor info, so that the
cursor show function doesn't require the information from the
caller. No functional changes.

Signed-off-by: Thomas Zimmermann <[email protected]>
Fixes: 4961eb60f145 ("drm/ast: Enable atomic modesetting")
Cc: Thomas Zimmermann <[email protected]>
Cc: Gerd Hoffmann <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Emil Velikov <[email protected]>
Cc: "Y.C. Chen" <[email protected]>
Cc: <[email protected]> # v5.6+
---
 drivers/gpu/drm/ast/ast_cursor.c | 13 +++++++++++--
 drivers/gpu/drm/ast/ast_drv.h    |  7 +++++--
 drivers/gpu/drm/ast/ast_mode.c   |  8 +-------
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c
index acf0d23514e8..8642a0ce9da6 100644
--- a/drivers/gpu/drm/ast/ast_cursor.c
+++ b/drivers/gpu/drm/ast/ast_cursor.c
@@ -87,6 +87,8 @@ int ast_cursor_init(struct ast_private *ast)
 
                ast->cursor.gbo[i] = gbo;
                ast->cursor.vaddr[i] = vaddr;
+               ast->cursor.size[i].width = 0;
+               ast->cursor.size[i].height = 0;
        }
 
        return drmm_add_action_or_reset(dev, ast_cursor_release, NULL);
@@ -194,6 +196,9 @@ int ast_cursor_blit(struct ast_private *ast, struct 
drm_framebuffer *fb)
        /* do data transfer to cursor BO */
        update_cursor_image(dst, src, fb->width, fb->height);
 
+       ast->cursor.size[ast->cursor.next_index].width = fb->width;
+       ast->cursor.size[ast->cursor.next_index].height = fb->height;
+
        drm_gem_vram_vunmap(gbo, src);
        drm_gem_vram_unpin(gbo);
 
@@ -249,14 +254,18 @@ static void ast_cursor_set_location(struct ast_private 
*ast, u16 x, u16 y,
        ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
 }
 
-void ast_cursor_show(struct ast_private *ast, int x, int y,
-                    unsigned int offset_x, unsigned int offset_y)
+void ast_cursor_show(struct ast_private *ast, int x, int y)
 {
+       unsigned int offset_x, offset_y;
        u8 x_offset, y_offset;
        u8 __iomem *dst, __iomem *sig;
        u8 jreg;
 
        dst = ast->cursor.vaddr[ast->cursor.next_index];
+       offset_x = AST_MAX_HWC_WIDTH -
+                  ast->cursor.size[ast->cursor.next_index].width;
+       offset_y = AST_MAX_HWC_HEIGHT -
+                  ast->cursor.size[ast->cursor.next_index].height;
 
        sig = dst + AST_HWC_SIZE;
        writel(x, sig + AST_HWC_SIGNATURE_X);
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index e3a264ac7ee2..57414b429db3 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -116,6 +116,10 @@ struct ast_private {
        struct {
                struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
                void __iomem *vaddr[AST_DEFAULT_HWC_NUM];
+               struct {
+                       unsigned int width;
+                       unsigned int height;
+               } size[AST_DEFAULT_HWC_NUM];
                unsigned int next_index;
        } cursor;
 
@@ -311,8 +315,7 @@ void ast_release_firmware(struct drm_device *dev);
 int ast_cursor_init(struct ast_private *ast);
 int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
 void ast_cursor_page_flip(struct ast_private *ast);
-void ast_cursor_show(struct ast_private *ast, int x, int y,
-                    unsigned int offset_x, unsigned int offset_y);
+void ast_cursor_show(struct ast_private *ast, int x, int y);
 void ast_cursor_hide(struct ast_private *ast);
 
 #endif
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 3680a000b812..5b2b39c93033 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -671,20 +671,14 @@ ast_cursor_plane_helper_atomic_update(struct drm_plane 
*plane,
                                      struct drm_plane_state *old_state)
 {
        struct drm_plane_state *state = plane->state;
-       struct drm_framebuffer *fb = state->fb;
        struct ast_private *ast = plane->dev->dev_private;
-       unsigned int offset_x, offset_y;
-
-       offset_x = AST_MAX_HWC_WIDTH - fb->width;
-       offset_y = AST_MAX_HWC_WIDTH - fb->height;
 
        if (state->fb != old_state->fb) {
                /* A new cursor image was installed. */
                ast_cursor_page_flip(ast);
        }
 
-       ast_cursor_show(ast, state->crtc_x, state->crtc_y,
-                       offset_x, offset_y);
+       ast_cursor_show(ast, state->crtc_x, state->crtc_y);
 }
 
 static void
-- 
2.27.0

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