[PATCH] drm/amdgpu: correct default gfx wdt timeout setting

[Li, Dennis]

[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Dennis Li <Dennis.Li at amd.com>

-----Original Message-----
From: Zhang, Hawking <Hawking.Zhang at amd.com> 
Sent: Friday, April 16, 2021 2:46 PM
To: amd-gfx at lists.freedesktop.org; Li, Dennis <Dennis.Li at amd.com>
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>
Subject: [PATCH] drm/amdgpu: correct default gfx wdt timeout setting

When gfx wdt was configured to fatal_disable, the timeout period should be configured to 0x0 (timeout
disabled)

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f856a2e82f94..7d9b954bc0c8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -189,7 +189,7 @@ uint amdgpu_ras_mask = 0xffffffff;  int amdgpu_bad_page_threshold = -1;  struct amdgpu_watchdog_timer amdgpu_watchdog_timer = {
 	.timeout_fatal_disable = false,
-	.period = 0x23, /* default to max. timeout = 1 << 0x23 cycles */
+	.period = 0x0, /* default to 0x0 (timeout disable) */
 };
 
 /**
@@ -566,7 +566,7 @@ module_param_named(timeout_fatal_disable, amdgpu_watchdog_timer.timeout_fatal_di
  * DOC: timeout_period (uint)
  * Modify the watchdog timeout max_cycles as (1 << period)
  */
-MODULE_PARM_DESC(timeout_period, "watchdog timeout period (1 to 0x23(default), timeout maxCycles = (1 << period)");
+MODULE_PARM_DESC(timeout_period, "watchdog timeout period (0 = timeout 
+disabled, 1 ~ 0x23 = timeout maxcycles = (1 << period)");
 module_param_named(timeout_period, amdgpu_watchdog_timer.period, uint, 0644);
 
 /**
--
2.17.1