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authorDaniel Vetter <daniel.vetter@ffwll.ch>2023-03-30 18:56:52 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2023-03-30 18:56:52 +0200
commit69620d5c030553e81562f6f6f490c1fdd7f798fd (patch)
tree89b56e86c0eb206701cf30d417aab3e41355bc7f /drivers/gpu
parent493fd8b87a84a67bae1237edde7affaf61bcbdba (diff)
parent25bbe844ef5c4fb4d7d8dcaa0080f922b7cd3a16 (diff)
Merge tag 'drm-misc-fixes-2023-03-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull: * various ivpu fixes * fix nouveau backlight registration * fix buddy allocator in 32-bit systems Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230330141006.GA22908@linux-uq9g
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_buddy.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_backlight.c7
-rw-r--r--drivers/gpu/drm/tests/drm_buddy_test.c3
3 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 3d1f50f481cf..7098f125b54a 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -146,8 +146,8 @@ int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size)
unsigned int order;
u64 root_size;
- root_size = rounddown_pow_of_two(size);
- order = ilog2(root_size) - ilog2(chunk_size);
+ order = ilog2(size) - ilog2(chunk_size);
+ root_size = chunk_size << order;
root = drm_block_alloc(mm, NULL, order, offset);
if (!root)
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 40409a29f5b6..91b5ecc57538 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -33,6 +33,7 @@
#include <linux/apple-gmux.h>
#include <linux/backlight.h>
#include <linux/idr.h>
+#include <drm/drm_probe_helper.h>
#include "nouveau_drv.h"
#include "nouveau_reg.h"
@@ -299,8 +300,12 @@ nv50_backlight_init(struct nouveau_backlight *bl,
struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
struct nvif_object *device = &drm->client.device.object;
+ /*
+ * Note when this runs the connectors have not been probed yet,
+ * so nv_conn->base.status is not set yet.
+ */
if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(ffs(nv_encoder->dcb->or) - 1)) ||
- nv_conn->base.status != connector_status_connected)
+ drm_helper_probe_detect(&nv_conn->base, NULL, false) != connector_status_connected)
return -ENODEV;
if (nv_conn->type == DCB_CONNECTOR_eDP) {
diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
index f8ee714df396..09ee6f6af896 100644
--- a/drivers/gpu/drm/tests/drm_buddy_test.c
+++ b/drivers/gpu/drm/tests/drm_buddy_test.c
@@ -89,7 +89,8 @@ static int check_block(struct kunit *test, struct drm_buddy *mm,
err = -EINVAL;
}
- if (!is_power_of_2(block_size)) {
+ /* We can't use is_power_of_2() for a u64 on 32-bit systems. */
+ if (block_size & (block_size - 1)) {
kunit_err(test, "block size not power of two\n");
err = -EINVAL;
}