media: hantro: Enable H.264 on Rockchip VDPU2

Given H.264 support for VDPU2 was just added, let's enable it.
For now, this is only enabled on platform that don't have
an RKVDEC core, such as RK3328.

Signed-off-by: Ezequiel Garcia <[e-mail]>
Tested-by: Alex Bee <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/staging/media/hantro/rockchip_vpu_hw.c

···
 		.codec_mode = HANTRO_MODE_NONE,
 	},
 	{
+		.fourcc = V4L2_PIX_FMT_H264_SLICE,
+		.codec_mode = HANTRO_MODE_H264_DEC,
+		.max_depth = 2,
+		.frmsize = {
+			.min_width = 48,
+			.max_width = 1920,
+			.step_width = MB_DIM,
+			.min_height = 48,
+			.max_height = 1088,
+			.step_height = MB_DIM,
+		},
+	},
+	{
 		.fourcc = V4L2_PIX_FMT_MPEG2_SLICE,
 		.codec_mode = HANTRO_MODE_MPEG2_DEC,
 		.max_depth = 2,
···
 		.init = hantro_jpeg_enc_init,
 		.exit = hantro_jpeg_enc_exit,
 	},
+	[HANTRO_MODE_H264_DEC] = {
+		.run = rockchip_vpu2_h264_dec_run,
+		.reset = rockchip_vpu2_dec_reset,
+		.init = hantro_h264_dec_init,
+		.exit = hantro_h264_dec_exit,
+	},
 	[HANTRO_MODE_MPEG2_DEC] = {
 		.run = rockchip_vpu2_mpeg2_dec_run,
 		.reset = rockchip_vpu2_dec_reset,
···
 static const char * const rockchip_vpu_clk_names[] = {
 	"aclk", "hclk"
 };
+
+/* VDPU1/VEPU1 */
 
 const struct hantro_variant rk3036_vpu_variant = {
 	.dec_offset = 0x400,
···
 	.num_clocks = ARRAY_SIZE(rockchip_vpu_clk_names)
 };
 
+/* VDPU2/VEPU2 */
+
 const struct hantro_variant rk3328_vpu_variant = {
 	.dec_offset = 0x400,
 	.dec_fmts = rk3399_vpu_dec_fmts,
 	.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
-	.codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER,
+	.codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER |
+		 HANTRO_H264_DECODER,
 	.codec_ops = rk3399_vpu_codec_ops,
 	.irqs = rockchip_vdpu2_irqs,
 	.num_irqs = ARRAY_SIZE(rockchip_vdpu2_irqs),