[PATCH v10 01/12] media: mediatek: jpeg: fix jpeg hw count setting
From: Kyrie Wu <hidden>
Date: 2025-10-29 06:54:03
Also in:
linux-arm-kernel, linux-media, linux-mediatek, lkml
Subsystem:
media input infrastructure (v4l/dvb), mediatek jpeg driver, the rest · Maintainers:
Mauro Carvalho Chehab, Bin Liu, Linus Torvalds
Different ICs have different amounts of hardware,
use a variable to set the amount of hardware.
Fixes: 934e8bccac95 ("mtk-jpegenc: support jpegenc multi-hardware")
Fixes: 0fa49df4222f ("media: mtk-jpegdec: support jpegdec multi-hardware")
Signed-off-by: Kyrie Wu <redacted>
---
drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 8 ++++----
drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h | 2 ++
drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 1 +
drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c | 1 +
4 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index d08fe365cbb2..030d2a75972a 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c@@ -1460,7 +1460,7 @@ static int mtk_jpegenc_get_hw(struct mtk_jpeg_ctx *ctx) int i; spin_lock_irqsave(&jpeg->hw_lock, flags); - for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) { + for (i = 0; i < jpeg->max_hw_count; i++) { comp_jpeg = jpeg->enc_hw_dev[i]; if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) { hw_id = i;
@@ -1507,7 +1507,7 @@ static int mtk_jpegdec_get_hw(struct mtk_jpeg_ctx *ctx) int i; spin_lock_irqsave(&jpeg->hw_lock, flags); - for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) { + for (i = 0; i < jpeg->max_hw_count; i++) { comp_jpeg = jpeg->dec_hw_dev[i]; if (comp_jpeg->hw_state == MTK_JPEG_HW_IDLE) { hw_id = i;
@@ -1590,7 +1590,7 @@ static void mtk_jpegenc_worker(struct work_struct *work) jpeg_work); struct mtk_jpeg_dev *jpeg = ctx->jpeg; - for (i = 0; i < MTK_JPEGENC_HW_MAX; i++) + for (i = 0; i < jpeg->max_hw_count; i++) comp_jpeg[i] = jpeg->enc_hw_dev[i]; i = 0;
@@ -1685,7 +1685,7 @@ static void mtk_jpegdec_worker(struct work_struct *work) struct mtk_jpeg_fb fb; unsigned long flags; - for (i = 0; i < MTK_JPEGDEC_HW_MAX; i++) + for (i = 0; i < jpeg->max_hw_count; i++) comp_jpeg[i] = jpeg->dec_hw_dev[i]; i = 0;
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
index 02ed0ed5b736..6be5cf30dea1 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h@@ -212,6 +212,7 @@ struct mtk_jpegdec_comp_dev { * @reg_decbase: jpg decode register base addr * @dec_hw_dev: jpg decode hardware device * @hw_index: jpg hw index + * @max_hw_count: jpeg hw-core count */ struct mtk_jpeg_dev { struct mutex lock;
@@ -234,6 +235,7 @@ struct mtk_jpeg_dev { void __iomem *reg_decbase[MTK_JPEGDEC_HW_MAX]; struct mtk_jpegdec_comp_dev *dec_hw_dev[MTK_JPEGDEC_HW_MAX]; atomic_t hw_index; + u32 max_hw_count; }; /**
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 32372781daf5..4534caeb104f 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c@@ -664,6 +664,7 @@ static int mtk_jpegdec_hw_probe(struct platform_device *pdev) master_dev->dec_hw_dev[i] = dev; master_dev->reg_decbase[i] = dev->reg_base; dev->master_dev = master_dev; + master_dev->max_hw_count++; platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev);
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 b6f5b2249f1f..2765dafab4ad 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_enc_hw.c@@ -386,6 +386,7 @@ static int mtk_jpegenc_hw_probe(struct platform_device *pdev) master_dev->enc_hw_dev[i] = dev; master_dev->reg_encbase[i] = dev->reg_base; dev->master_dev = master_dev; + master_dev->max_hw_count++; platform_set_drvdata(pdev, dev); pm_runtime_enable(&pdev->dev);
--
2.45.2