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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 11:55:39.2948 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 04773e69-2606-4cad-3e7c-08de21e2662c X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000204.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR10MB6348 From: Pratyush Yadav Currently the SHIM code to configure the context only touches the first context. Add support for writing to the context's registers based on the context index. Signed-off-by: Pratyush Yadav Signed-off-by: Jai Luthra Reviewed-by: Jacopo Mondi Reviewed-by: Laurent Pinchart Reviewed-by: Yemike Abhilash Chandra Reviewed-by: Tomi Valkeinen Signed-off-by: Rishikesh Donadkar --- .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c index 23717a3b6c4cf..fdbe72df5c5f8 100644 --- a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c +++ b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c @@ -27,7 +27,7 @@ #define SHIM_CNTL 0x10 #define SHIM_CNTL_PIX_RST BIT(0) -#define SHIM_DMACNTX 0x20 +#define SHIM_DMACNTX(i) (0x20 + ((i) * 0x20)) #define SHIM_DMACNTX_EN BIT(31) #define SHIM_DMACNTX_YUV422 GENMASK(27, 26) #define SHIM_DMACNTX_DUAL_PCK_CFG BIT(24) @@ -38,7 +38,7 @@ #define SHIM_DMACNTX_SIZE_16 1 #define SHIM_DMACNTX_SIZE_32 2 -#define SHIM_PSI_CFG0 0x24 +#define SHIM_PSI_CFG0(i) (0x24 + ((i) * 0x20)) #define SHIM_PSI_CFG0_SRC_TAG GENMASK(15, 0) #define SHIM_PSI_CFG0_DST_TAG GENMASK(31, 16) @@ -568,11 +568,13 @@ static void ti_csi2rx_setup_shim(struct ti_csi2rx_ctx *ctx) break; } - writel(reg, csi->shim + SHIM_DMACNTX); + reg |= FIELD_PREP(SHIM_DMACNTX_SIZE, fmt->size); + + writel(reg, csi->shim + SHIM_DMACNTX(ctx->idx)); reg = FIELD_PREP(SHIM_PSI_CFG0_SRC_TAG, 0) | FIELD_PREP(SHIM_PSI_CFG0_DST_TAG, 0); - writel(reg, csi->shim + SHIM_PSI_CFG0); + writel(reg, csi->shim + SHIM_PSI_CFG0(ctx->idx)); } static void ti_csi2rx_drain_callback(void *param) @@ -890,7 +892,7 @@ static int ti_csi2rx_start_streaming(struct vb2_queue *vq, unsigned int count) err_pipeline: video_device_pipeline_stop(&ctx->vdev); writel(0, csi->shim + SHIM_CNTL); - writel(0, csi->shim + SHIM_DMACNTX); + writel(0, csi->shim + SHIM_DMACNTX(ctx->idx)); err: ti_csi2rx_cleanup_buffers(ctx, VB2_BUF_STATE_QUEUED); return ret; @@ -905,7 +907,7 @@ static void ti_csi2rx_stop_streaming(struct vb2_queue *vq) video_device_pipeline_stop(&ctx->vdev); writel(0, csi->shim + SHIM_CNTL); - writel(0, csi->shim + SHIM_DMACNTX); + writel(0, csi->shim + SHIM_DMACNTX(ctx->idx)); ret = v4l2_subdev_call(csi->source, video, s_stream, 0); if (ret) -- 2.34.1