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authorAlex Deucher <alexander.deucher@amd.com>2026-02-04 20:43:45 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-02-06 16:48:30 +0100
commitdd4c7800a905d96d82aabbf6f14e853c238a47ef (patch)
tree1817a709906fe0dcbc7810f51e6e1247f1813ac9 /drivers/gpu/drm
parent572777a258c048e0d0fb3a0c47430eadcefe80c0 (diff)
drm/amd/display: use udelay rather than fsleep
commit 27e4dc2c0543fd1808cc52bd888ee1e0533c4a2e upstream. This function can be called from an atomic context so we can't use fsleep(). Fixes: 01f60348d8fb ("drm/amd/display: Fix 'failed to blank crtc!'") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4549 Cc: Wen Chen <Wen.Chen3@amd.com> Cc: Fangzhi Zuo <jerry.zuo@amd.com> Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> [ Backport for file path changed ] Signed-off-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index f0b472e84a53..e52c2bb1b626 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -781,7 +781,7 @@ enum dc_status dcn20_enable_stream_timing(
return DC_ERROR_UNEXPECTED;
}
- fsleep(stream->timing.v_total * (stream->timing.h_total * 10000u / stream->timing.pix_clk_100hz));
+ udelay(stream->timing.v_total * (stream->timing.h_total * 10000u / stream->timing.pix_clk_100hz));
params.vertical_total_min = stream->adjust.v_total_min;
params.vertical_total_max = stream->adjust.v_total_max;