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%3Ba=su...
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