From 99d92eaca5d915763b240aae24669f5bf3227ecf Mon Sep 17 00:00:00 2001
From: Aurabindo Pillai <aurabindo.pillai@amd.com>
Date: Thu, 6 Apr 2023 15:48:48 -0400
Subject: [PATCH] drm/amd/display: Do not clear GPINT register when releasing DMUB from reset
Git-commit: 99d92eaca5d915763b240aae24669f5bf3227ecf
Patch-mainline: v6.4-rc1
References: git-fixes
[Why & How]
There's no need to clear GPINT register for DMUB
when releasing it from reset. Fix that.
Fixes: ac2e555e0a7f ("drm/amd/display: Add DMCUB source files and changes for DCN32/321")
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@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/dmub/src/dmub_dcn32.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c
index b0adbf783aae..9c20516be066 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c
@@ -137,7 +137,6 @@ void dmub_dcn32_reset(struct dmub_srv *dmub)
void dmub_dcn32_reset_release(struct dmub_srv *dmub)
{
- REG_WRITE(DMCUB_GPINT_DATAIN1, 0);
REG_UPDATE(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET, 0);
REG_WRITE(DMCUB_SCRATCH15, dmub->psp_version & 0x001100FF);
REG_UPDATE_2(DMCUB_CNTL, DMCUB_ENABLE, 1, DMCUB_TRACEPORT_EN, 1);
--
2.35.3