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drm/amd/display: Fix generic_reg_wait 1000ms case

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Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Yang 2017-07-23 14:17:09 -04:00 committed by Alex Deucher
parent 0a87425a37
commit 755d3bcfd4
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/amd/display/dc/dc_helper.c
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@ -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);