From: Wayne Lin <Wayne.Lin@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Harry Wentland <harry.wentland@amd.com>,
Leo Li <sunpeng.li@amd.com>,
Rodrigo Siqueira <rodrigo.siqueira@amd.com>,
Hamza Mahfooz <hamza.mahfooz@amd.com>,
Aurabindo Pillai <aurabindo.pillai@amd.com>,
"Roman Li" <roman.li@amd.com>, Wayne Lin <wayne.lin@amd.com>,
Tom Chung <chiahsuan.chung@amd.com>,
Fangzhi Zuo <jerry.zuo@amd.com>,
Zaeem Mohamed <zaeem.mohamed@amd.com>,
Solomon Chiu <solomon.chiu@amd.com>,
Daniel Wheeler <daniel.wheeler@amd.com>,
Fangzhi Zuo <Jerry.Zuo@amd.com>, Aric Cyr <aric.cyr@amd.com>
Subject: [PATCH 07/10] drm/amd/display: Add a Precise Delay Routine
Date: Tue, 15 Oct 2024 16:17:10 +0800 [thread overview]
Message-ID: <20241015081713.3042665-8-Wayne.Lin@amd.com> (raw)
In-Reply-To: <20241015081713.3042665-1-Wayne.Lin@amd.com>
From: Fangzhi Zuo <Jerry.Zuo@amd.com>
Fix DP compliance failures 4.2.2.12, 4.3.1.21, 4.9.1.19
caused by imprecise delay on fsleep().
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
---
.../gpu/drm/amd/display/dc/link/protocols/link_dp_training.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
index a42c56a57253..754c895e1bfb 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
@@ -272,7 +272,7 @@ void dp_wait_for_training_aux_rd_interval(
struct dc_link *link,
uint32_t wait_in_micro_secs)
{
- fsleep(wait_in_micro_secs);
+ usleep_range_state(wait_in_micro_secs, wait_in_micro_secs, TASK_UNINTERRUPTIBLE);
DC_LOG_HW_LINK_TRAINING("%s:\n wait = %d\n",
__func__,
--
2.37.3
next prev parent reply other threads:[~2024-10-15 8:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 8:17 [PATCH 00/10] DC Patches October 14, 2024 Wayne Lin
2024-10-15 8:17 ` [PATCH 01/10] drm/amd/display: temp w/a for dGPU to enter idle optimizations Wayne Lin
2024-10-15 13:14 ` Mario Limonciello
2024-10-16 13:13 ` Pillai, Aurabindo
2024-10-16 13:15 ` Mario Limonciello
2024-10-15 8:17 ` [PATCH 02/10] drm/amd/display: w/a to program DISPCLK_R_GATE_DISABLE DCN35 Wayne Lin
2024-10-15 8:17 ` [PATCH 03/10] drm/amd/display: Reuse subvp enable check for DCN401 Wayne Lin
2024-10-15 8:17 ` [PATCH 04/10] drm/amd/display: Adding array index check to prevent memory corruption Wayne Lin
2024-10-15 8:17 ` [PATCH 05/10] drm/amd/display: temp w/a for DP Link Layer compliance Wayne Lin
2024-10-15 8:17 ` [PATCH 06/10] drm/amd/display: Recalculate SubVP Phantom VBlank End in dml21 Wayne Lin
2024-10-15 8:17 ` Wayne Lin [this message]
2024-10-15 8:17 ` [PATCH 08/10] drm/amd/display: update fullscreen status to SPL Wayne Lin
2024-10-15 8:17 ` [PATCH 09/10] drm/amd/display: To change dcn301_init.h guard Wayne Lin
2024-10-15 8:17 ` [PATCH 10/10] drm/amd/display: 3.2.306 Wayne Lin
2024-10-17 18:44 ` [PATCH 00/10] DC Patches October 14, 2024 Wheeler, Daniel
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