From: kyrie wu Date: Fri, 10 Mar 2023 06:23:54 +0000 (+0000) Subject: media: mtk-jpeg: refactor some variables X-Git-Tag: v6.6.17~5047^2~333 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=09aea13ecf6f89ed7f18114953695563f64f461c;p=platform%2Fkernel%2Flinux-rpi.git media: mtk-jpeg: refactor some variables Refactor some variables to reduce redundancy and optimize the initialization process. Signed-off-by: kyrie wu Signed-off-by: irui wang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 65f92c8..0c562ea 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1004,8 +1004,8 @@ static void mtk_jpegenc_worker(struct work_struct *work) retry_select: hw_id = mtk_jpegenc_get_hw(ctx); if (hw_id < 0) { - ret = wait_event_interruptible(jpeg->enc_hw_wq, - atomic_read(&jpeg->enchw_rdy) > 0); + ret = wait_event_interruptible(jpeg->hw_wq, + atomic_read(&jpeg->hw_rdy) > 0); if (ret != 0 || (i++ > MTK_JPEG_MAX_RETRY_TIME)) { dev_err(jpeg->dev, "%s : %d, all HW are busy\n", __func__, __LINE__); @@ -1016,7 +1016,7 @@ retry_select: goto retry_select; } - atomic_dec(&jpeg->enchw_rdy); + atomic_dec(&jpeg->hw_rdy); src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); if (!src_buf) goto getbuf_fail; @@ -1073,7 +1073,7 @@ enc_end: v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); getbuf_fail: - atomic_inc(&jpeg->enchw_rdy); + atomic_inc(&jpeg->hw_rdy); mtk_jpegenc_put_hw(jpeg, hw_id); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); } @@ -1198,8 +1198,8 @@ static void mtk_jpegdec_worker(struct work_struct *work) retry_select: hw_id = mtk_jpegdec_get_hw(ctx); if (hw_id < 0) { - ret = wait_event_interruptible_timeout(jpeg->dec_hw_wq, - atomic_read(&jpeg->dechw_rdy) > 0, + ret = wait_event_interruptible_timeout(jpeg->hw_wq, + atomic_read(&jpeg->hw_rdy) > 0, MTK_JPEG_HW_TIMEOUT_MSEC); if (ret != 0 || (i++ > MTK_JPEG_MAX_RETRY_TIME)) { dev_err(jpeg->dev, "%s : %d, all HW are busy\n", @@ -1211,7 +1211,7 @@ retry_select: goto retry_select; } - atomic_dec(&jpeg->dechw_rdy); + atomic_dec(&jpeg->hw_rdy); src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); if (!src_buf) goto getbuf_fail; @@ -1290,7 +1290,7 @@ dec_end: v4l2_m2m_buf_done(src_buf, buf_state); v4l2_m2m_buf_done(dst_buf, buf_state); getbuf_fail: - atomic_inc(&jpeg->dechw_rdy); + atomic_inc(&jpeg->hw_rdy); mtk_jpegdec_put_hw(jpeg, hw_id); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); } @@ -1710,6 +1710,8 @@ static int mtk_jpeg_single_core_init(struct platform_device *pdev, static int mtk_jpeg_probe(struct platform_device *pdev) { struct mtk_jpeg_dev *jpeg; + struct device_node *child; + int num_child = 0; int ret; jpeg = devm_kzalloc(&pdev->dev, sizeof(*jpeg), GFP_KERNEL); @@ -1733,6 +1735,19 @@ static int mtk_jpeg_probe(struct platform_device *pdev) v4l2_err(&jpeg->v4l2_dev, "mtk_jpeg_single_core_init failed."); return -EINVAL; } + } else { + init_waitqueue_head(&jpeg->hw_wq); + + for_each_child_of_node(pdev->dev.of_node, child) + num_child++; + + atomic_set(&jpeg->hw_rdy, num_child); + + jpeg->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, + WQ_MEM_RECLAIM + | WQ_FREEZABLE); + if (!jpeg->workqueue) + return -EINVAL; } ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 83cf35a..89242e4 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -203,14 +203,11 @@ struct mtk_jpegdec_comp_dev { * @job_timeout_work: IRQ timeout structure * @variant: driver variant to be used * @reg_encbase: jpg encode register base addr - * @enc_hw_dev: jpg encode hardware device - * @enc_hw_wq: jpg encode wait queue - * @enchw_rdy: jpg encode hw ready flag + * @enc_hw_dev: jpg encode hardware device + * @hw_wq: jpg wait queue + * @hw_rdy: jpg hw ready flag * @reg_decbase: jpg decode register base addr - * @dec_hw_dev: jpg decode hardware device - * @dec_hw_wq: jpg decode wait queue - * @dec_workqueue: jpg decode work queue - * @dechw_rdy: jpg decode hw ready flag + * @dec_hw_dev: jpg decode hardware device */ struct mtk_jpeg_dev { struct mutex lock; @@ -227,14 +224,11 @@ struct mtk_jpeg_dev { void __iomem *reg_encbase[MTK_JPEGENC_HW_MAX]; struct mtk_jpegenc_comp_dev *enc_hw_dev[MTK_JPEGENC_HW_MAX]; - wait_queue_head_t enc_hw_wq; - atomic_t enchw_rdy; + wait_queue_head_t hw_wq; + atomic_t hw_rdy; void __iomem *reg_decbase[MTK_JPEGDEC_HW_MAX]; struct mtk_jpegdec_comp_dev *dec_hw_dev[MTK_JPEGDEC_HW_MAX]; - wait_queue_head_t dec_hw_wq; - struct workqueue_struct *dec_workqueue; - atomic_t dechw_rdy; }; /** diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c index 5b47bd8..b7c2de2 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c @@ -503,8 +503,8 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work) clk_disable_unprepare(cjpeg->jdec_clk.clks->clk); pm_runtime_put(cjpeg->dev); cjpeg->hw_state = MTK_JPEG_HW_IDLE; - atomic_inc(&master_jpeg->dechw_rdy); - wake_up(&master_jpeg->dec_hw_wq); + atomic_inc(&master_jpeg->hw_rdy); + wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegdec_put_buf(cjpeg); } @@ -551,8 +551,8 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv) clk_disable_unprepare(jpeg->jdec_clk.clks->clk); jpeg->hw_state = MTK_JPEG_HW_IDLE; - wake_up(&master_jpeg->dec_hw_wq); - atomic_inc(&master_jpeg->dechw_rdy); + wake_up(&master_jpeg->hw_wq); + atomic_inc(&master_jpeg->hw_rdy); return IRQ_HANDLED; } @@ -608,20 +608,12 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) dev->plat_dev = pdev; dev->dev = &pdev->dev; - init_waitqueue_head(&master_dev->dec_hw_wq); - master_dev->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, - WQ_MEM_RECLAIM - | WQ_FREEZABLE); - if (!master_dev->workqueue) - return -EINVAL; - ret = devm_add_action_or_reset(&pdev->dev, mtk_jpegdec_destroy_workqueue, master_dev->workqueue); if (ret) return ret; - atomic_set(&master_dev->dechw_rdy, MTK_JPEGDEC_HW_MAX); spin_lock_init(&dev->hw_lock); dev->hw_state = MTK_JPEG_HW_IDLE; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c index c2bc0b5..e35ee1b 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c @@ -248,8 +248,8 @@ static void mtk_jpegenc_timeout_work(struct work_struct *work) clk_disable_unprepare(cjpeg->venc_clk.clks->clk); pm_runtime_put(cjpeg->dev); cjpeg->hw_state = MTK_JPEG_HW_IDLE; - atomic_inc(&master_jpeg->enchw_rdy); - wake_up(&master_jpeg->enc_hw_wq); + atomic_inc(&master_jpeg->hw_rdy); + wake_up(&master_jpeg->hw_wq); v4l2_m2m_buf_done(src_buf, buf_state); mtk_jpegenc_put_buf(cjpeg); } @@ -288,8 +288,8 @@ static irqreturn_t mtk_jpegenc_hw_irq_handler(int irq, void *priv) clk_disable_unprepare(jpeg->venc_clk.clks->clk); jpeg->hw_state = MTK_JPEG_HW_IDLE; - wake_up(&master_jpeg->enc_hw_wq); - atomic_inc(&master_jpeg->enchw_rdy); + wake_up(&master_jpeg->hw_wq); + atomic_inc(&master_jpeg->hw_rdy); return IRQ_HANDLED; } @@ -340,14 +340,6 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) dev->plat_dev = pdev; dev->dev = &pdev->dev; - init_waitqueue_head(&master_dev->enc_hw_wq); - master_dev->workqueue = alloc_ordered_workqueue(MTK_JPEG_NAME, - WQ_MEM_RECLAIM - | WQ_FREEZABLE); - if (!master_dev->workqueue) - return -EINVAL; - - atomic_set(&master_dev->enchw_rdy, MTK_JPEGENC_HW_MAX); spin_lock_init(&dev->hw_lock); dev->hw_state = MTK_JPEG_HW_IDLE;