[PATCH 02/16] media: iris: Filter UBWC raw formats based on hardware capabilities

[Dmitry Baryshkov]

From: Dikshita Agarwal <dikshita.agarwal@xxxxxxxxxxxxxxxx>

The raw formats supported by Iris were previously advertised
unconditionally, assuming UBWC support on all platforms. However, some
platforms do not support UBWC which results in incorrect format
capability exposure.

Use the UBWC configuration provided by the platform to dynamically
filter raw formats at runtime. If UBWC is not supported, UBWC-based
formats are omitted from the advertised capability list, while linear
formats remain available.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
Signed-off-by: Dikshita Agarwal <dikshita.agarwal@xxxxxxxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
---
 drivers/media/platform/qcom/iris/iris_vdec.c | 9 +++++++++
 drivers/media/platform/qcom/iris/iris_venc.c | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c
index ff8d664558af..bd44e6437480 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
+#include <linux/soc/qcom/ubwc.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-mem2mem.h>
 
@@ -74,6 +75,7 @@ static const u32 iris_vdec_formats_cap[] = {
 
 static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 {
+	const struct qcom_ubwc_cfg_data *ubwc = inst->core->ubwc_cfg;
 	unsigned int size, i;
 	const u32 *fmt;
 
@@ -85,6 +87,9 @@ static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		fmt = iris_vdec_formats_cap;
 		size = ARRAY_SIZE(iris_vdec_formats_cap);
+		/* Last format is UBWC; drop it if UBWC is unsupported */
+		if (!ubwc->ubwc_enc_version)
+			size--;
 		break;
 	default:
 		return false;
@@ -100,6 +105,7 @@ static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 
 static u32 find_format_by_index(struct iris_inst *inst, u32 index, u32 type)
 {
+	const struct qcom_ubwc_cfg_data *ubwc = inst->core->ubwc_cfg;
 	unsigned int size;
 	const u32 *fmt;
 
@@ -111,6 +117,9 @@ static u32 find_format_by_index(struct iris_inst *inst, u32 index, u32 type)
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		fmt = iris_vdec_formats_cap;
 		size = ARRAY_SIZE(iris_vdec_formats_cap);
+		/* Last format is UBWC; drop it if UBWC is unsupported */
+		if (!ubwc->ubwc_enc_version)
+			size--;
 		break;
 	default:
 		return 0;
diff --git a/drivers/media/platform/qcom/iris/iris_venc.c b/drivers/media/platform/qcom/iris/iris_venc.c
index 2398992d0596..c41f4103ccc3 100644
--- a/drivers/media/platform/qcom/iris/iris_venc.c
+++ b/drivers/media/platform/qcom/iris/iris_venc.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
+#include <linux/soc/qcom/ubwc.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-mem2mem.h>
 
@@ -97,6 +98,7 @@ static const u32 iris_venc_formats_out[] = {
 
 static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 {
+	const struct qcom_ubwc_cfg_data *ubwc = inst->core->ubwc_cfg;
 	unsigned int size, i;
 	const u32 *fmt;
 
@@ -104,6 +106,9 @@ static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		fmt = iris_venc_formats_out;
 		size = ARRAY_SIZE(iris_venc_formats_out);
+		/* Last format is UBWC; drop it if UBWC is unsupported */
+		if (!ubwc->ubwc_enc_version)
+			size--;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		fmt = iris_venc_formats_cap;
@@ -123,6 +128,7 @@ static bool check_format(struct iris_inst *inst, u32 pixfmt, u32 type)
 
 static u32 find_format_by_index(struct iris_inst *inst, u32 index, u32 type)
 {
+	const struct qcom_ubwc_cfg_data *ubwc = inst->core->ubwc_cfg;
 	unsigned int size;
 	const u32 *fmt;
 
@@ -130,6 +136,9 @@ static u32 find_format_by_index(struct iris_inst *inst, u32 index, u32 type)
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 		fmt = iris_venc_formats_out;
 		size = ARRAY_SIZE(iris_venc_formats_out);
+		/* Last format is UBWC; drop it if UBWC is unsupported */
+		if (!ubwc->ubwc_enc_version)
+			size--;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 		fmt = iris_venc_formats_cap;

-- 
2.47.3