diff options
| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2021-06-14 13:23:38 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-07-12 14:22:10 +0200 |
| commit | 75e7e58bfac11714159049c7f8c01f57cf7f39f2 (patch) | |
| tree | f7012771d64028ea7bf012f422c5b87e593aae8b /drivers/media/platform/ti-vpe/cal.c | |
| parent | 2e7e09a902c6e4121a91a2f9d597228474cabe4c (diff) | |
| download | linux-75e7e58bfac11714159049c7f8c01f57cf7f39f2.tar.bz2 | |
media: ti-vpe: cal: support 8 DMA contexts
The current driver only ever needs 2 DMA contexts (one per PHY), but we
need to use more of the 8 contexts to add support for multiple streams.
Change the code so that we allocate DMA contexts as needed, which at
this time is 1 per PHY, but could be up to 8.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform/ti-vpe/cal.c')
| -rw-r--r-- | drivers/media/platform/ti-vpe/cal.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 3a836813eda8..ec8ffc8d5721 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -658,7 +658,7 @@ static irqreturn_t cal_irq(int irq_cal, void *data) /* Clear Interrupt status */ cal_write(cal, CAL_HL_IRQSTATUS(1), status); - for (i = 0; i < ARRAY_SIZE(cal->ctx); ++i) { + for (i = 0; i < cal->num_contexts; ++i) { if (status & CAL_HL_IRQ_WDMA_END_MASK(i)) cal_irq_wdma_end(cal->ctx[i]); } @@ -672,7 +672,7 @@ static irqreturn_t cal_irq(int irq_cal, void *data) /* Clear Interrupt status */ cal_write(cal, CAL_HL_IRQSTATUS(2), status); - for (i = 0; i < ARRAY_SIZE(cal->ctx); ++i) { + for (i = 0; i < cal->num_contexts; ++i) { if (status & CAL_HL_IRQ_WDMA_START_MASK(i)) cal_irq_wdma_start(cal->ctx[i]); } @@ -742,10 +742,7 @@ static int cal_async_notifier_complete(struct v4l2_async_notifier *notifier) unsigned int i; int ret; - for (i = 0; i < ARRAY_SIZE(cal->ctx); ++i) { - if (!cal->ctx[i]) - continue; - + for (i = 0; i < cal->num_contexts; ++i) { ret = cal_ctx_v4l2_register(cal->ctx[i]); if (ret) goto err_ctx_unreg; @@ -865,10 +862,8 @@ static void cal_media_unregister(struct cal_dev *cal) unsigned int i; /* Unregister all the V4L2 video devices. */ - for (i = 0; i < ARRAY_SIZE(cal->ctx); i++) { - if (cal->ctx[i]) - cal_ctx_v4l2_unregister(cal->ctx[i]); - } + for (i = 0; i < cal->num_contexts; i++) + cal_ctx_v4l2_unregister(cal->ctx[i]); cal_async_notifier_unregister(cal); media_device_unregister(&cal->mdev); @@ -915,10 +910,8 @@ static void cal_media_cleanup(struct cal_dev *cal) { unsigned int i; - for (i = 0; i < ARRAY_SIZE(cal->ctx); i++) { - if (cal->ctx[i]) - cal_ctx_v4l2_cleanup(cal->ctx[i]); - } + for (i = 0; i < cal->num_contexts; i++) + cal_ctx_v4l2_cleanup(cal->ctx[i]); v4l2_device_unregister(&cal->v4l2_dev); media_device_cleanup(&cal->mdev); @@ -1067,7 +1060,6 @@ static int cal_init_camerarx_regmap(struct cal_dev *cal) static int cal_probe(struct platform_device *pdev) { struct cal_dev *cal; - struct cal_ctx *ctx; bool connected = false; unsigned int i; int ret; @@ -1157,6 +1149,8 @@ static int cal_probe(struct platform_device *pdev) ret = -ENODEV; goto error_context; } + + cal->num_contexts++; } /* Register the media device. */ @@ -1167,11 +1161,8 @@ static int cal_probe(struct platform_device *pdev) return 0; error_context: - for (i = 0; i < ARRAY_SIZE(cal->ctx); i++) { - ctx = cal->ctx[i]; - if (ctx) - cal_ctx_v4l2_cleanup(ctx); - } + for (i = 0; i < cal->num_contexts; i++) + cal_ctx_v4l2_cleanup(cal->ctx[i]); error_camerarx: for (i = 0; i < cal->data->num_csi2_phy; i++) |