6.6-stable review patch. If anyone has any objections, please let me know.
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From: Qianfeng Rong rongqianfeng@vivo.com
[ Upstream commit 88ec0e01a880e3326794e149efae39e3aa4dbbec ]
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: d7d0e73f7de3 ("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 --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c index 0a45c546b03f2..a5cd41c9224d7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c @@ -433,7 +433,7 @@ 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);