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drm/amd/display: use udelay rather than fsleep

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[ Upstream commit 1d66c3f2b8 ]

This function can be called from an atomic context so we can't use
fsleep().

Fixes: 01f60348d8 ("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>
(cherry picked from commit 27e4dc2c05)
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alex Deucher
2025-09-03 09:11:12 -04:00
committed by Greg Kroah-Hartman
parent cb5eb693f2
commit 2df3698f09
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
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@@ -955,7 +955,7 @@ 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;