From: Alex Hung <alex.hung@amd.com>
Date: Wed, 11 Oct 2023 19:18:38 +0000 (-0600)
Subject: Revert "drm/amd/display: Validate hw_points_num before using it"
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8f4bdbc8e99db6ec9cb0520748e49a2f2d7d1727;p=linux.git

Revert "drm/amd/display: Validate hw_points_num before using it"

This reverts commit 58c3b3341cea4f75dc8c003b89f8a6dd8ec55e50.

[WHY & HOW]
The writeback series cause a regression in thunderbolt display.

Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c
index 03a50c32fcfe1..701c7d8bc038a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c
@@ -243,9 +243,6 @@ static bool dwb3_program_ogam_lut(
 		return false;
 	}
 
-	if (params->hw_points_num == 0)
-		return false;
-
 	REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 2);
 
 	current_mode = dwb3_get_ogam_current(dwbc30);