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drm/msm/dpu: fix incorrect type for ret

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[ Upstream commit 88ec0e01a8 ]

Change 'ret' from unsigned long to int, as storing negative error codes
in an unsigned long makes it never equal to -ETIMEDOUT, causing logical
errors.

Fixes: d7d0e73f7d ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/671100/
Link: https://lore.kernel.org/r/20250826092047.224341-1-rongqianfeng@vivo.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Qianfeng Rong
2025-08-26 17:20:45 +08:00
committed by Greg Kroah-Hartman
parent 87aff6d08f
commit aa48597cb2
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
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@@ -446,7 +446,7 @@ static void _dpu_encoder_phys_wb_handle_wbdone_timeout(
static int dpu_encoder_phys_wb_wait_for_commit_done(
struct dpu_encoder_phys *phys_enc)
{
unsigned long ret;
int ret;
struct dpu_encoder_wait_info wait_info;
struct dpu_encoder_phys_wb *wb_enc = to_dpu_encoder_phys_wb(phys_enc);