Commit 7fdaacc0 authored Oct 30, 2018 by Y.C. Chen Committed by Greg Kroah-Hartman Dec 01, 2018

drm/ast: fixed cursor may disappear sometimes



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>

parent f1c32bab

drivers/gpu/drm/ast/ast_mode.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1236,7 +1236,7 @@ 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;
		}