FROMLIST: media: iris: Add HEVC and VP9 formats for decoder

Extend the decoder driver's supported formats to include HEVC (H.265)
and VP9. This change updates the format enumeration (VIDIOC_ENUM_FMT)
and allows setting these formats via VIDIOC_S_FMT.

Link: https://lore.kernel.org/linux-arm-msm/20250509-video-iris-hevc-vp9-v5-22-59b4ff7d331c@quicinc.com/
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # on sa8775p-ride
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>

Author: Dikshita Agarwal

drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c

@@ -88,16 +88,29 @@ static int iris_hfi_gen1_sys_pc_prep(struct iris_core *core)
 static int iris_hfi_gen1_session_open(struct iris_inst *inst)
 {
 	struct hfi_session_open_pkt packet;
+	u32 codec = 0;
 	int ret;
 
 	if (inst->state != IRIS_INST_DEINIT)
 		return -EALREADY;
 
+	switch (inst->codec) {
+	case V4L2_PIX_FMT_H264:
+		codec = HFI_VIDEO_CODEC_H264;
+		break;
+	case V4L2_PIX_FMT_HEVC:
+		codec = HFI_VIDEO_CODEC_HEVC;
+		break;
+	case V4L2_PIX_FMT_VP9:
+		codec = HFI_VIDEO_CODEC_VP9;
+		break;
+	}
+
 	packet.shdr.hdr.size = sizeof(struct hfi_session_open_pkt);
 	packet.shdr.hdr.pkt_type = HFI_CMD_SYS_SESSION_INIT;
 	packet.shdr.session_id = inst->session_id;
 	packet.session_domain = HFI_SESSION_TYPE_DEC;
-	packet.session_codec = HFI_VIDEO_CODEC_H264;
+	packet.session_codec = codec;
 
 	reinit_completion(&inst->completion);
 

drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h

@@ -13,6 +13,8 @@
 #define HFI_SESSION_TYPE_DEC				2
 
 #define HFI_VIDEO_CODEC_H264				0x00000002
+#define HFI_VIDEO_CODEC_HEVC				0x00002000
+#define HFI_VIDEO_CODEC_VP9				0x00004000
 
 #define HFI_ERR_NONE					0x0
 

drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c

@@ -416,7 +416,19 @@ static int iris_hfi_gen2_session_set_config_params(struct iris_inst *inst, u32 p
 static int iris_hfi_gen2_session_set_codec(struct iris_inst *inst)
 {
 	struct iris_inst_hfi_gen2 *inst_hfi_gen2 = to_iris_inst_hfi_gen2(inst);
-	u32 codec = HFI_CODEC_DECODE_AVC;
+	u32 codec = 0;
+
+	switch (inst->codec) {
+	case V4L2_PIX_FMT_H264:
+		codec = HFI_CODEC_DECODE_AVC;
+		break;
+	case V4L2_PIX_FMT_HEVC:
+		codec = HFI_CODEC_DECODE_HEVC;
+		break;
+	case V4L2_PIX_FMT_VP9:
+		codec = HFI_CODEC_DECODE_VP9;
+		break;
+	}
 
 	iris_hfi_gen2_packet_session_property(inst,
 					      HFI_PROP_CODEC,

drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h

@@ -104,6 +104,9 @@ enum hfi_color_format {
 enum hfi_codec_type {
 	HFI_CODEC_DECODE_AVC			= 1,
 	HFI_CODEC_ENCODE_AVC			= 2,
+	HFI_CODEC_DECODE_HEVC			= 3,
+	HFI_CODEC_ENCODE_HEVC			= 4,
+	HFI_CODEC_DECODE_VP9			= 5,
 };
 
 enum hfi_picture_type {

drivers/media/platform/qcom/iris/iris_instance.h

@@ -43,6 +43,7 @@
  * @sequence_out: a sequence counter for output queue
  * @tss: timestamp metadata
  * @metadata_idx: index for metadata buffer
+ * @codec: codec type
  * @last_buffer_dequeued: a flag to indicate that last buffer is sent by driver
  */
 
@@ -75,6 +76,7 @@ struct iris_inst {
 	u32				sequence_out;
 	struct iris_ts_metadata		tss[VIDEO_MAX_FRAME];
 	u32				metadata_idx;
+	u32				codec;
 	bool				last_buffer_dequeued;
 };
 

drivers/media/platform/qcom/iris/iris_vdec.c

@@ -32,6 +32,7 @@ int iris_vdec_inst_init(struct iris_inst *inst)
 	f->fmt.pix_mp.width = DEFAULT_WIDTH;
 	f->fmt.pix_mp.height = DEFAULT_HEIGHT;
 	f->fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
+	inst->codec = f->fmt.pix_mp.pixelformat;
 	f->fmt.pix_mp.num_planes = 1;
 	f->fmt.pix_mp.plane_fmt[0].bytesperline = 0;
 	f->fmt.pix_mp.plane_fmt[0].sizeimage = iris_get_buffer_size(inst, BUF_INPUT);
@@ -67,14 +68,67 @@ void iris_vdec_inst_deinit(struct iris_inst *inst)
 	kfree(inst->fmt_src);
 }
 
+static const struct iris_fmt iris_vdec_formats[] = {
+	[IRIS_FMT_H264] = {
+		.pixfmt = V4L2_PIX_FMT_H264,
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+	},
+	[IRIS_FMT_HEVC] = {
+		.pixfmt = V4L2_PIX_FMT_HEVC,
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+	},
+	[IRIS_FMT_VP9] = {
+		.pixfmt = V4L2_PIX_FMT_VP9,
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+	},
+};
+
+static const struct iris_fmt *
+find_format(struct iris_inst *inst, u32 pixfmt, u32 type)
+{
+	unsigned int size = ARRAY_SIZE(iris_vdec_formats);
+	const struct iris_fmt *fmt = iris_vdec_formats;
+	unsigned int i;
+
+	for (i = 0; i < size; i++) {
+		if (fmt[i].pixfmt == pixfmt)
+			break;
+	}
+
+	if (i == size || fmt[i].type != type)
+		return NULL;
+
+	return &fmt[i];
+}
+
+static const struct iris_fmt *
+find_format_by_index(struct iris_inst *inst, u32 index, u32 type)
+{
+	const struct iris_fmt *fmt = iris_vdec_formats;
+	unsigned int size = ARRAY_SIZE(iris_vdec_formats);
+
+	if (index >= size || fmt[index].type != type)
+		return NULL;
+
+	return &fmt[index];
+}
+
 int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f)
 {
+	const struct iris_fmt *fmt;
+
 	switch (f->type) {
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		f->pixelformat = V4L2_PIX_FMT_H264;
+		fmt = find_format_by_index(inst, f->index, f->type);
+		if (!fmt)
+			return -EINVAL;
+
+		f->pixelformat = fmt->pixfmt;
 		f->flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+		if (f->index)
+			return -EINVAL;
 		f->pixelformat = V4L2_PIX_FMT_NV12;
 		break;
 	default:
@@ -88,21 +142,23 @@ int iris_vdec_try_fmt(struct iris_inst *inst, struct v4l2_format *f)
 {
 	struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
+	const struct iris_fmt *fmt;
 	struct v4l2_format *f_inst;
 	struct vb2_queue *src_q;
 
 	memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
+	fmt = find_format(inst, pixmp->pixelformat, f->type);
 	switch (f->type) {
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (f->fmt.pix_mp.pixelformat != V4L2_PIX_FMT_H264) {
+		if (!fmt) {
 			f_inst = inst->fmt_src;
 			f->fmt.pix_mp.width = f_inst->fmt.pix_mp.width;
 			f->fmt.pix_mp.height = f_inst->fmt.pix_mp.height;
 			f->fmt.pix_mp.pixelformat = f_inst->fmt.pix_mp.pixelformat;
 		}
 		break;
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-		if (f->fmt.pix_mp.pixelformat != V4L2_PIX_FMT_NV12) {
+		if (!fmt) {
 			f_inst = inst->fmt_dst;
 			f->fmt.pix_mp.pixelformat = f_inst->fmt.pix_mp.pixelformat;
 			f->fmt.pix_mp.width = f_inst->fmt.pix_mp.width;
@@ -145,13 +201,14 @@ int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f)
 
 	switch (f->type) {
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-		if (f->fmt.pix_mp.pixelformat != V4L2_PIX_FMT_H264)
+		if (!(find_format(inst, f->fmt.pix_mp.pixelformat, f->type)))
 			return -EINVAL;
 
 		fmt = inst->fmt_src;
 		fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
-
-		codec_align = DEFAULT_CODEC_ALIGNMENT;
+		fmt->fmt.pix_mp.pixelformat = f->fmt.pix_mp.pixelformat;
+		inst->codec = fmt->fmt.pix_mp.pixelformat;
+		codec_align = inst->codec == V4L2_PIX_FMT_HEVC ? 32 : 16;
 		fmt->fmt.pix_mp.width = ALIGN(f->fmt.pix_mp.width, codec_align);
 		fmt->fmt.pix_mp.height = ALIGN(f->fmt.pix_mp.height, codec_align);
 		fmt->fmt.pix_mp.num_planes = 1;

drivers/media/platform/qcom/iris/iris_vdec.h

@@ -8,6 +8,17 @@
 
 struct iris_inst;
 
+enum iris_fmt_type {
+	IRIS_FMT_H264,
+	IRIS_FMT_HEVC,
+	IRIS_FMT_VP9,
+};
+
+struct iris_fmt {
+	u32 pixfmt;
+	u32 type;
+};
+
 int iris_vdec_inst_init(struct iris_inst *inst);
 void iris_vdec_inst_deinit(struct iris_inst *inst);
 int iris_vdec_enum_fmt(struct iris_inst *inst, struct v4l2_fmtdesc *f);

drivers/media/platform/qcom/iris/iris_vidc.c

@@ -278,9 +278,6 @@ static int iris_enum_fmt(struct file *filp, void *fh, struct v4l2_fmtdesc *f)
 {
 	struct iris_inst *inst = iris_get_inst(filp, NULL);
 
-	if (f->index)
-		return -EINVAL;
-
 	return iris_vdec_enum_fmt(inst, f);
 }