From 04af551b2fa8cdc644fc3ce2ff0e814ea00428fa Mon Sep 17 00:00:00 2001 From: Eric Yang Date: Sun, 23 Jul 2017 14:17:09 -0400 Subject: [PATCH 0651/4131] drm/amd/display: Fix generic_reg_wait 1000ms case Signed-off-by: Eric Yang Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dc_helper.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c index 87b7f6f..f219bd2 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c @@ -143,11 +143,10 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, for (i = 0; i <= time_out_num_tries; i++) { if (i) { - if (0 < delay_between_poll_us && delay_between_poll_us < 1000) - udelay(delay_between_poll_us); - - if (delay_between_poll_us > 1000) + if (delay_between_poll_us >= 1000) msleep(delay_between_poll_us/1000); + else if (delay_between_poll_us > 0) + udelay(delay_between_poll_us); } reg_val = dm_read_reg(ctx, addr); -- 2.7.4