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authorJiri Kosina <jkosina@suse.com>2025-09-19 17:08:20 +0200
committerJiri Kosina <jkosina@suse.com>2025-09-19 17:08:36 +0200
commit71b28769d708f20046fc6f853cf93fb88a8b6e11 (patch)
treee579afda01909585ed70bb477233b0f4f72dabac /drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
parent1860b13beca829c056179c63530eebfec9a3efb4 (diff)
parent02d6eeedbc36d4b309d5518778071a749ef79c4e (diff)
Merge remote-tracking branch 'origin' into for-6.18/intel-thc-hid
Needed as a basisi for followup support for quicki2c advanced BIOS features. Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
index 15dde1f50328..25252231a68a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
@@ -459,7 +459,7 @@ calc:
void amdgpu_cper_ring_write(struct amdgpu_ring *ring, void *src, int count)
{
- u64 pos, wptr_old, rptr = *ring->rptr_cpu_addr & ring->ptr_mask;
+ u64 pos, wptr_old, rptr;
int rec_cnt_dw = count >> 2;
u32 chunk, ent_sz;
u8 *s = (u8 *)src;
@@ -472,9 +472,11 @@ void amdgpu_cper_ring_write(struct amdgpu_ring *ring, void *src, int count)
return;
}
+ mutex_lock(&ring->adev->cper.ring_lock);
+
wptr_old = ring->wptr;
+ rptr = *ring->rptr_cpu_addr & ring->ptr_mask;
- mutex_lock(&ring->adev->cper.ring_lock);
while (count) {
ent_sz = amdgpu_cper_ring_get_ent_sz(ring, ring->wptr);
chunk = umin(ent_sz, count);