linux-kernel - [PATCH 5.15 235/262] drm/i915/guc/slpc: Correct the param count for unset param

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Date:   Mon,  7 Mar 2022 10:19:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Umesh Nerlige Ramappa <umesh.nerlige.ramappa@...el.com>,
        Vinay Belgaumkar <vinay.belgaumkar@...el.com>,
        Ramalingam C <ramalingam.c@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 235/262] drm/i915/guc/slpc: Correct the param count for unset param

From: Vinay Belgaumkar <vinay.belgaumkar@...el.com>

[ Upstream commit 1b279f6ad467535c3b8a66b4edefaca2cdd5bdc3 ]

SLPC unset param H2G only needs one parameter - the id of the
param.

Fixes: 025cb07bebfa ("drm/i915/guc/slpc: Cache platform frequency limits")

Suggested-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@...el.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@...el.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@...el.com>
Signed-off-by: Ramalingam C <ramalingam.c@...el.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220216181504.7155-1-vinay.belgaumkar@intel.com
(cherry picked from commit 9648f1c3739505557d94ff749a4f32192ea81fe3)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
index 65a3e7fdb2b2..95ff630157b9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
@@ -133,7 +133,7 @@ static int guc_action_slpc_unset_param(struct intel_guc *guc, u8 id)
 {
 	u32 request[] = {
 		GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST,
-		SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 2),
+		SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 1),
 		id,
 	};
 
-- 
2.34.1