Blob Blame History Raw
From 275d8a1db261a1272a818d40ebc61b3b865b60e5 Mon Sep 17 00:00:00 2001
From: George Shen <george.shen@amd.com>
Date: Thu, 19 Jan 2023 17:09:54 -0500
Subject: [PATCH] drm/amd/display: Unassign does_plane_fit_in_mall function from dcn3.2
Git-commit: 275d8a1db261a1272a818d40ebc61b3b865b60e5
Patch-mainline: v6.2-rc7
References: bsc#1206843

[Why]
The hwss function does_plane_fit_in_mall not applicable to dcn3.2 asics.
Using it with dcn3.2 can result in undefined behaviour.

[How]
Assign the function pointer to NULL.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
index dc4649458567..a4e9fd5307c6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
@@ -94,7 +94,7 @@ static const struct hw_sequencer_funcs dcn32_funcs = {
 	.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
 	.calc_vupdate_position = dcn10_calc_vupdate_position,
 	.apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations,
-	.does_plane_fit_in_mall = dcn30_does_plane_fit_in_mall,
+	.does_plane_fit_in_mall = NULL,
 	.set_backlight_level = dcn21_set_backlight_level,
 	.set_abm_immediate_disable = dcn21_set_abm_immediate_disable,
 	.hardware_release = dcn30_hardware_release,
-- 
2.35.3