Patch "drm/ast: Load lut in crtc_commit" has been added to the 4.15-stable tree

Patch "drm/ast: Load lut in crtc_commit" has been added to the 4.15-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/ast: Load lut in crtc_commit

to the 4.15-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-load-lut-in-crtc_commit.patch
and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 24b8ef699e8221d2b7f813adaab13eec053e1507 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 18 Jan 2018 16:40:16 +0100
Subject: drm/ast: Load lut in crtc_commit

From: Daniel Vetter <daniel.vetter@ffwll.ch>

commit 24b8ef699e8221d2b7f813adaab13eec053e1507 upstream.

In the past the ast driver relied upon the fbdev emulation helpers to
call ->load_lut at boot-up. But since

commit b8e2b0199cc377617dc238f5106352c06dcd3fa2
Author: Peter Rosin <peda@axentia.se>
Date:   Tue Jul 4 12:36:57 2017 +0200

    drm/fb-helper: factor out pseudo-palette

that's cleaned up and drivers are expected to boot into a consistent
lut state. This patch fixes that.

Fixes: b8e2b0199cc3 ("drm/fb-helper: factor out pseudo-palette")
Cc: Peter Rosin <peda@axenita.se>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> # v4.14+
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198123
Cc: Bill Fraser <bill.fraser@gmail.com>
Reported-and-Tested-by: Bill Fraser <bill.fraser@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.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 |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -644,6 +644,7 @@ static void ast_crtc_commit(struct drm_c
 {
 	struct ast_private *ast = crtc->dev->dev_private;
 	ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0);
+	ast_crtc_load_lut(crtc);
 }
 
 


Patches currently in stable-queue which might be from daniel.vetter@ffwll.ch are

queue-4.15/drm-check-for-lessee-in-drop_master-ioctl.patch
queue-4.15/drm-ast-load-lut-in-crtc_commit.patch