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Lin" , Houlong Wei , , , , Subject: [PATCH v4 1/9] dt-bindings: gce: mt8195: Add CMDQ_SYNC_TOKEN_SECURE_THR_EOF event id Date: Wed, 3 Apr 2024 14:55:55 +0800 Message-ID: <20240403065603.21920-2-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240403065603.21920-1-shawn.sung@mediatek.com> References: <20240403065603.21920-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--6.865800-8.000000 X-TMASE-MatchedRID: MfleD8Y7obJ/Kgj3tMS/EPyAR9DgC/hHDqdsP48ZEpT1gF7PCEF9bjFa TRf5dTetd1cwAoVwUpIm83mw8YvWBKF2E6v/FJwhB7TqRAYVohYrHkgIan9a0fzaSz3Z/4aaP6C wLhrNSrC58Ekbt0Wd7Np5CTaON5EqmWDI8lRCplAD2WXLXdz+AZl/lu28zzkBDnmf9WY7ZBKjxY yRBa/qJcFwgTvxipFajoczmuoPCq0tuL2EWbPwWzqlZ78my/54WyVeiFiE5JFlmoAELIG8LTNdw sfnupvQQwymtxuJ6y0= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--6.865800-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 5716AA618B8E33AD16CAEFBE32D6EA598C972FA52D2CD2C068F261F013F33D9C2000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Jason-JH.Lin" There are 2 kind of GCE event signal: - The SW token means: a GCE event signal triggered by SW drivers. e.g. SW driver append a GCE command to set a GCE event after a specific GCE command. Or SW driver use CPU to write a event id to GCE register to trigger the GCE event corresponding to that event id. - The HW event means: a GCE event signal triggered by HW engines. e.g. When HW OVL fetches all the data in frame buffer, HW OVL will send a frame done irq and also send a frame done GCE event via HW bus directly. CMDQ_SYNC_TOKEN_SECURE_THR_EOF is a SW token event that is set in the end of each cmdq secure pkt. It is used as a secure irq to notify CMDQ driver in the normal world that GCE secure thread has completed a secure cmd buffer in thee secure world. Signed-off-by: Jason-JH.Lin Signed-off-by: Hsiao Chien Sung --- include/dt-bindings/gce/mt8195-gce.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/dt-bindings/gce/mt8195-gce.h b/include/dt-bindings/gce= /mt8195-gce.h index dcfb302b8a5bc..b6b3db82c381e 100644 --- a/include/dt-bindings/gce/mt8195-gce.h +++ b/include/dt-bindings/gce/mt8195-gce.h @@ -800,6 +800,12 @@ #define CMDQ_EVENT_WPE_VPP1_WPE_GCE_FRAME_DONE 969 #define CMDQ_EVENT_WPE_VPP1_WPE_DONE_SYNC_OUT 970 =20 +/* + * Notify normal CMDQ there are some secure task done, + * this token sync with secure world. + */ +#define CMDQ_SYNC_TOKEN_SECURE_THR_EOF 980 + #define CMDQ_EVENT_DP_TX_VBLANK_FALLING 994 #define CMDQ_EVENT_DP_TX_VSC_FINISH 995 =20 --=20 2.18.0