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From 8e795eae93da7f9eb3ec456b29c326aac07d3f04 Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Mon, 19 Mar 2018 16:48:54 -0400
Subject: [PATCH 3822/4131] drm/amd/powerplay: Fix NULL pointer deref on driver
unbind.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 482115b..c8db2d5 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -286,6 +286,12 @@ static int pp_resume(void *handle)
return hwmgr_hw_resume(hwmgr);
}
+static int pp_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
static const struct amd_ip_funcs pp_ip_funcs = {
.name = "powerplay",
.early_init = pp_early_init,
@@ -300,7 +306,7 @@ static const struct amd_ip_funcs pp_ip_funcs = {
.is_idle = pp_is_idle,
.wait_for_idle = pp_wait_for_idle,
.soft_reset = pp_sw_reset,
- .set_clockgating_state = NULL,
+ .set_clockgating_state = pp_set_clockgating_state,
.set_powergating_state = pp_set_powergating_state,
};
--
2.7.4
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