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drm/amdgpu/jpeg: fix jpeg_v5_0_1_is_idle detection

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jpeg_v5_0_1_is_idle() initializes ret to false and then accumulates ring
idle status using &=. Since false & condition always remains false, the
function can never report the JPEG block as idle.

Initialize ret to true so the function returns true only when all JPEG
rings report RB_JOB_DONE.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 680adf5fae)
Cc: stable@vger.kernel.org
This commit is contained in:
Boyuan Zhang
2026-07-01 13:00:58 -04:00
committed by Alex Deucher
parent d4dbcb11ea
commit efcedeecec
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+1 -1
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@@ -657,7 +657,7 @@ static void jpeg_v5_0_1_dec_ring_set_wptr(struct amdgpu_ring *ring)
static bool jpeg_v5_0_1_is_idle(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
bool ret = false;
bool ret = true;
int i, j;
for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {