This is a note to let you know that I've just added the patch titled drm/ast: Call open_key before enable_mmio in POST code to the 4.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-ast-call-open_key-before-enable_mmio-in-post-code.patch and it can be found in the queue-4.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 9bb92f51558f2ef5f56c257bdcea0588f31d857e Mon Sep 17 00:00:00 2001 From: "Y.C. Chen" <yc_chen@xxxxxxxxxxxxxx> Date: Wed, 22 Feb 2017 15:14:19 +1100 Subject: drm/ast: Call open_key before enable_mmio in POST code From: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx> commit 9bb92f51558f2ef5f56c257bdcea0588f31d857e upstream. open_key enables access the registers used by enable_mmio Signed-off-by: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx> Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Acked-by: Joel Stanley <joel@xxxxxxxxx> Tested-by: Y.C. Chen <yc_chen@xxxxxxxxxxxxxx> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/ast/ast_post.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/ast/ast_post.c +++ b/drivers/gpu/drm/ast/ast_post.c @@ -371,8 +371,8 @@ 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) { Patches currently in stable-queue which might be from yc_chen@xxxxxxxxxxxxxx are queue-4.10/drm-ast-fix-ast2400-post-failure-without-bmc-fw-or-vbios.patch queue-4.10/drm-ast-call-open_key-before-enable_mmio-in-post-code.patch queue-4.10/drm-ast-fix-test-for-vga-enabled.patch