The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From cee93c028288b9af02919f3bd8593ba61d1e610d Mon Sep 17 00:00:00 2001
From: Daniel Vetter daniel.vetter@ffwll.ch Date: Tue, 27 Apr 2021 11:20:16 +0200 Subject: [PATCH] drm/nouveau: Don't set allow_fb_modifiers explicitly
Since
commit 890880ddfdbe256083170866e49c87618b706ac7 Author: Paul Kocialkowski paul.kocialkowski@bootlin.com Date: Fri Jan 4 09:56:10 2019 +0100
drm: Auto-set allow_fb_modifiers when given modifiers at plane init
this is done automatically as part of plane init, if drivers set the modifier list correctly. Which is the case here.
Note that this fixes an inconsistency: We've set the cap everywhere, but only nv50+ supports modifiers. Hence cc stable, but not further back then the patch from Paul.
Reviewed-by: Lyude Paul lyude@redhat.com Cc: stable@vger.kernel.org # v5.1 + Cc: Pekka Paalanen pekka.paalanen@collabora.com Signed-off-by: Daniel Vetter daniel.vetter@intel.com Cc: Ben Skeggs bskeggs@redhat.com Cc: nouveau@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20210427092018.832258-6-daniel...
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 14101bd2a0ff..929de41c281f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -697,7 +697,6 @@ nouveau_display_create(struct drm_device *dev)
dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; - dev->mode_config.allow_fb_modifiers = true;
if (drm->client.device.info.chipset < 0x11) dev->mode_config.async_page_flip = false;