summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorSasha Finkelstein <k@chaosmail.tech>2026-04-20 14:17:43 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2026-04-27 11:33:01 +0200
commitaaaa684bab1f6d9ecfc49db328facb1771fd0eb2 (patch)
tree3a534d61e77907174ec0841f54388e0d77fd6c9d /drivers/gpu/drm
parent4aa8110000b0d215deef8eed283565dd0c1def88 (diff)
drm/appletbdrm: Use kvzalloc for big allocations
This driver is attached to a ~2000x80 screen, which is a lot more than a single page. This causes out of memory errors in some rare cases. Reported-by: soopyc <cassie@soopy.moe> Closes: https://github.com/t2linux/fedora/issues/51 Signed-off-by: Sasha Finkelstein <k@chaosmail.tech> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Aditya Garg <gargaditya08@live.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 0670c2f56e45 ("drm/tiny: add driver for Apple Touch Bars in x86 Macs") Cc: <stable@vger.kernel.org> # v6.15+ Link: https://patch.msgid.link/20260420-x86-tb-vmalloc-v1-1-7757ff657223@chaosmail.tech
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/tiny/appletbdrm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tiny/appletbdrm.c b/drivers/gpu/drm/tiny/appletbdrm.c
index 3bae91d7eefe..278bb23fe4c8 100644
--- a/drivers/gpu/drm/tiny/appletbdrm.c
+++ b/drivers/gpu/drm/tiny/appletbdrm.c
@@ -353,7 +353,7 @@ static int appletbdrm_primary_plane_helper_atomic_check(struct drm_plane *plane,
frames_size +
sizeof(struct appletbdrm_fb_request_footer), 16);
- appletbdrm_state->request = kzalloc(request_size, GFP_KERNEL);
+ appletbdrm_state->request = kvzalloc(request_size, GFP_KERNEL);
if (!appletbdrm_state->request)
return -ENOMEM;
@@ -543,7 +543,7 @@ static void appletbdrm_primary_plane_destroy_state(struct drm_plane *plane,
{
struct appletbdrm_plane_state *appletbdrm_state = to_appletbdrm_plane_state(state);
- kfree(appletbdrm_state->request);
+ kvfree(appletbdrm_state->request);
kfree(appletbdrm_state->response);
__drm_gem_destroy_shadow_plane_state(&appletbdrm_state->base);