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From:   Yunfei Dong <yunfei.dong@mediatek.com>
To:     Jeffrey Kardatzke <jkardatzke@google.com>,
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        Nicolas Dufresne <nicolas.dufresne@collabora.com>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Benjamin Gaignard <benjamin.gaignard@collabora.com>,
        Nathan Hebert <nhebert@chromium.org>
CC:     Chen-Yu Tsai <wenst@chromium.org>, Yong Wu <yong.wu@mediatek.com>,
        Hsin-Yi Wang <hsinyi@chromium.org>,
        Fritz Koenig <frkoenig@chromium.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        Steve Cho <stevecho@chromium.org>,
        Yunfei Dong <yunfei.dong@mediatek.com>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Brian Starkey <Brian.Starkey@arm.com>,
        John Stultz <jstultz@google.com>,
        "T . J . Mercier" <tjmercier@google.com>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        <dri-devel@lists.freedesktop.org>,
        <linaro-mm-sig@lists.linaro.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@mediatek.com>
Subject: [PATCH v3,19/21] media: medkatek: vcodec: disable wait interrupt for svp mode
Date:   Wed, 6 Dec 2023 16:15:36 +0800
Message-ID: <20231206081538.17056-20-yunfei.dong@mediatek.com>
In-Reply-To: <20231206081538.17056-1-yunfei.dong@mediatek.com>
References: <20231206081538.17056-1-yunfei.dong@mediatek.com>
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Waiting interrupt in optee-os for svp mode, need to disable it in kernel
in case of interrupt is cleaned.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 .../vcodec/decoder/mtk_vcodec_dec_hw.c        | 34 +++++------
 .../vcodec/decoder/mtk_vcodec_dec_pm.c        |  6 +-
 .../decoder/vdec/vdec_h264_req_multi_if.c     | 57 +++++++++++--------
 3 files changed, 54 insertions(+), 43 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_hw.c
index 881d5de41e05..1982c088c6da 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_hw.c
@@ -72,26 +72,28 @@ static irqreturn_t mtk_vdec_hw_irq_handler(int irq, void *priv)
 
 	ctx = mtk_vcodec_get_curr_ctx(dev->main_dev, dev->hw_idx);
 
-	/* check if HW active or not */
-	cg_status = readl(dev->reg_base[VDEC_HW_SYS] + VDEC_HW_ACTIVE_ADDR);
-	if (cg_status & VDEC_HW_ACTIVE_MASK) {
-		mtk_v4l2_vdec_err(ctx, "vdec active is not 0x0 (0x%08x)", cg_status);
-		return IRQ_HANDLED;
-	}
+	if (!ctx->is_secure_playback) {
+		/* check if HW active or not */
+		cg_status = readl(dev->reg_base[VDEC_HW_SYS] + VDEC_HW_ACTIVE_ADDR);
+		if (cg_status & VDEC_HW_ACTIVE_MASK) {
+			mtk_v4l2_vdec_err(ctx, "vdec active is not 0x0 (0x%08x)", cg_status);
+			return IRQ_HANDLED;
+		}
 
-	dec_done_status = readl(vdec_misc_addr);
-	if ((dec_done_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) !=
-	    MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
-		return IRQ_HANDLED;
+		dec_done_status = readl(vdec_misc_addr);
+		if ((dec_done_status & MTK_VDEC_IRQ_STATUS_DEC_SUCCESS) !=
+		    MTK_VDEC_IRQ_STATUS_DEC_SUCCESS)
+			return IRQ_HANDLED;
 
-	/* clear interrupt */
-	writel(dec_done_status | VDEC_IRQ_CFG, vdec_misc_addr);
-	writel(dec_done_status & ~VDEC_IRQ_CLR, vdec_misc_addr);
+		/* clear interrupt */
+		writel(dec_done_status | VDEC_IRQ_CFG, vdec_misc_addr);
+		writel(dec_done_status & ~VDEC_IRQ_CLR, vdec_misc_addr);
 
-	wake_up_dec_ctx(ctx, MTK_INST_IRQ_RECEIVED, dev->hw_idx);
+		wake_up_dec_ctx(ctx, MTK_INST_IRQ_RECEIVED, dev->hw_idx);
 
-	mtk_v4l2_vdec_dbg(3, ctx, "wake up ctx %d, dec_done_status=%x",
-			  ctx->id, dec_done_status);
+		mtk_v4l2_vdec_dbg(3, ctx, "wake up ctx %d, dec_done_status=%x",
+				  ctx->id, dec_done_status);
+	}
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_pm.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_pm.c
index aefd3e9e3061..a94eda936f16 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_pm.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_pm.c
@@ -238,7 +238,8 @@ void mtk_vcodec_dec_enable_hardware(struct mtk_vcodec_dec_ctx *ctx, int hw_idx)
 		mtk_vcodec_dec_child_dev_on(ctx->dev, MTK_VDEC_LAT0);
 	mtk_vcodec_dec_child_dev_on(ctx->dev, hw_idx);
 
-	mtk_vcodec_dec_enable_irq(ctx->dev, hw_idx);
+	if (!ctx->is_secure_playback)
+		mtk_vcodec_dec_enable_irq(ctx->dev, hw_idx);
 
 	if (IS_VDEC_INNER_RACING(ctx->dev->dec_capability))
 		mtk_vcodec_load_racing_info(ctx);
@@ -250,7 +251,8 @@ void mtk_vcodec_dec_disable_hardware(struct mtk_vcodec_dec_ctx *ctx, int hw_idx)
 	if (IS_VDEC_INNER_RACING(ctx->dev->dec_capability))
 		mtk_vcodec_record_racing_info(ctx);
 
-	mtk_vcodec_dec_disable_irq(ctx->dev, hw_idx);
+	if (!ctx->is_secure_playback)
+		mtk_vcodec_dec_disable_irq(ctx->dev, hw_idx);
 
 	mtk_vcodec_dec_child_dev_off(ctx->dev, hw_idx);
 	if (IS_VDEC_LAT_ARCH(ctx->dev->vdec_pdata->hw_arch) &&
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
index 2dfb3043493e..3e2270399b6c 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c
@@ -593,14 +593,16 @@ static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf)
 		goto vdec_dec_end;
 	}
 
-	/* wait decoder done interrupt */
-	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
-					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
-	if (timeout)
-		mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
-	inst->vsi_core->dec.timeout = !!timeout;
-
-	vpu_dec_core_end(vpu);
+	if (!ctx->is_secure_playback) {
+		/* wait decoder done interrupt */
+		timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+						       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
+		if (timeout)
+			mtk_vdec_err(ctx, "core decode timeout: pic_%d", ctx->decoded_frame_cnt);
+		inst->vsi_core->dec.timeout = !!timeout;
+
+		vpu_dec_core_end(vpu);
+	}
 	mtk_vdec_debug(ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
 		       ctx->decoded_frame_cnt,
 		       inst->vsi_core->dec.crc[0], inst->vsi_core->dec.crc[1],
@@ -724,14 +726,16 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 		vdec_msg_queue_qbuf(&inst->ctx->msg_queue.core_ctx, lat_buf);
 	}
 
-	/* wait decoder done interrupt */
-	timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
-					       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
-	if (timeout)
-		mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
-	inst->vsi->dec.timeout = !!timeout;
+	if (!inst->ctx->is_secure_playback) {
+		/* wait decoder done interrupt */
+		timeout = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+						       WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
+		if (timeout)
+			mtk_vdec_err(inst->ctx, "lat decode timeout: pic_%d", inst->slice_dec_num);
+		inst->vsi->dec.timeout = !!timeout;
 
-	err = vpu_dec_end(vpu);
+		err = vpu_dec_end(vpu);
+	}
 	if (err == SLICE_HEADER_FULL || err == TRANS_BUFFER_FULL) {
 		if (!IS_VDEC_INNER_RACING(inst->ctx->dev->dec_capability))
 			vdec_msg_queue_qbuf(&inst->ctx->msg_queue.lat_ctx, lat_buf);
@@ -831,16 +835,19 @@ static int vdec_h264_slice_single_decode(void *h_vdec, struct mtk_vcodec_mem *bs
 	if (err)
 		goto err_free_fb_out;
 
-	/* wait decoder done interrupt */
-	err = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
-					   WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
-	if (err)
-		mtk_vdec_err(inst->ctx, "decode timeout: pic_%d", inst->ctx->decoded_frame_cnt);
-
-	inst->vsi->dec.timeout = !!err;
-	err = vpu_dec_end(vpu);
-	if (err)
-		goto err_free_fb_out;
+	if (!inst->ctx->is_secure_playback) {
+		/* wait decoder done interrupt */
+		err = mtk_vcodec_wait_for_done_ctx(inst->ctx, MTK_INST_IRQ_RECEIVED,
+						   WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
+		if (err)
+			mtk_vdec_err(inst->ctx, "decode timeout: pic_%d",
+				     inst->ctx->decoded_frame_cnt);
+
+		inst->vsi->dec.timeout = !!err;
+		err = vpu_dec_end(vpu);
+		if (err)
+			goto err_free_fb_out;
+	}
 
 	memcpy(&inst->vsi_ctx, inst->vpu.vsi, sizeof(inst->vsi_ctx));
 	mtk_vdec_debug(inst->ctx, "pic[%d] crc: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
-- 
2.18.0