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Subject[PATCH 4.19 046/110] drm/ast: fixed cursor may disappear sometimes
Date
4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Y.C. Chen <yc_chen@aspeedtech.com>

commit 7989b9ee8bafe5cc625381dd0c3c4586de27ca26 upstream.

Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/ast/ast_mode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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_cr
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;
}

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