From 8e795eae93da7f9eb3ec456b29c326aac07d3f04 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky 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 Reviewed-by: Alex Deucher --- 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