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drm/msm: Update dev core dump to not print backwards

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[ Upstream commit 903705111d ]

Device core dump add block method adds hardware blocks to dumping queue
with stack behavior which causes the hardware blocks to be printed in
reverse order. Change the addition to dumping queue data structure
from "list_add" to "list_add_tail" for FIFO queue behavior.

Fixes: 98659487b8 ("drm/msm: add support to take dpu snapshot")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Ryan McCann <quic_rmccann@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/546200/
Link: https://lore.kernel.org/r/20230622-devcoredump_patch-v5-1-67e8b66c4723@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ryan McCann
2023-07-07 18:24:40 -07:00
committed by Greg Kroah-Hartman
parent 8ef5d1f16d
commit 9712279e97
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
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@@ -185,5 +185,5 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
new_blk->base_addr = base_addr;
msm_disp_state_dump_regs(&new_blk->state, new_blk->size, base_addr);
list_add(&new_blk->node, &disp_state->blocks);
list_add_tail(&new_blk->node, &disp_state->blocks);
}