drm/ast: fixed cursor may disappear sometimes

Signed-off-by: Y.C. Chen <[email protected]> Cc: <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
toradex · Nov 22, 2018 · 7989b9e · 7989b9e
1 parent 1a37bd8
commit 7989b9e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
@@ -1255,7 +1255,7 @@ static int ast_cursor_move(struct drm_crtc *crtc,
 	ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07));
 
 	/* dummy write to fire HWC */
-	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xCB, 0xFF, 0x00);
+	ast_show_cursor(crtc);
 
 	return 0;
 }