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Subject[PATCH 5.10 06/83] drm/nouveau/kms/tu102-: delay enabling cursor until after assign_windows
Date
From: Ben Skeggs <bskeggs@redhat.com>

commit f732e2e34aa08493fdd762f3daa4e5f16bbf1e45 upstream.

Prevent NVD core channel error code 67 occuring and hanging display,
managed to reproduce on GA102 while testing suspend/resume scenarios.

Required extension of earlier commit to fix interactions with EFI.

Fixes: e78b1b545c6c ("drm/nouveau/kms/nv50: workaround EFI GOP window channel format differences")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: <stable@vger.kernel.org> # v5.12+
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210906005628.11499-2-skeggsb@gmail.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/nouveau/dispnv50/head.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -51,6 +51,7 @@ nv50_head_flush_clr(struct nv50_head *he
void
nv50_head_flush_set_wndw(struct nv50_head *head, struct nv50_head_atom *asyh)
{
+ if (asyh->set.curs ) head->func->curs_set(head, asyh);
if (asyh->set.olut ) {
asyh->olut.offset = nv50_lut_load(&head->olut,
asyh->olut.buffer,
@@ -66,7 +67,6 @@ nv50_head_flush_set(struct nv50_head *he
if (asyh->set.view ) head->func->view (head, asyh);
if (asyh->set.mode ) head->func->mode (head, asyh);
if (asyh->set.core ) head->func->core_set(head, asyh);
- if (asyh->set.curs ) head->func->curs_set(head, asyh);
if (asyh->set.base ) head->func->base (head, asyh);
if (asyh->set.ovly ) head->func->ovly (head, asyh);
if (asyh->set.dither ) head->func->dither (head, asyh);

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