diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2023-03-30 18:56:52 +0200 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2023-03-30 18:56:52 +0200 |
commit | 69620d5c030553e81562f6f6f490c1fdd7f798fd (patch) | |
tree | 89b56e86c0eb206701cf30d417aab3e41355bc7f /drivers/gpu | |
parent | 493fd8b87a84a67bae1237edde7affaf61bcbdba (diff) | |
parent | 25bbe844ef5c4fb4d7d8dcaa0080f922b7cd3a16 (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.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_backlight.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/tests/drm_buddy_test.c | 3 |
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; } |