Commit 9bb92f51 authored Feb 22, 2017 by Y.C. Chen Committed by Dave Airlie Feb 28, 2017

drm/ast: Call open_key before enable_mmio in POST code



open_key enables access the registers used by enable_mmio

Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Tested-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 905f21a4

drivers/gpu/drm/ast/ast_post.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -374,8 +374,8 @@ void ast_post_gpu(struct drm_device *dev)
		pci_write_config_dword(ast->dev->pdev, 0x04, reg);

		ast_enable_vga(dev);
		ast_enable_mmio(dev);
		ast_open_key(ast);
		ast_enable_mmio(dev);
		ast_set_def_ext_reg(dev);

		if (ast->config_mode == ast_use_p2a) {