brcm2708: organize kernel patches
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0323-staging-bcm2835_codec-Add-an-option-for-ignoring-Bay.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0323-staging-bcm2835_codec-Add-an-option-for-ignoring-Bay.patch b/target/linux/brcm2708/patches-4.19/950-0323-staging-bcm2835_codec-Add-an-option-for-ignoring-Bay.patch
new file mode 100644 (file)
index 0000000..fcdcc4a
--- /dev/null
@@ -0,0 +1,179 @@
+From a126fcc4ff38718e2e714fbb78db3ca1c4f8e564 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Fri, 15 Feb 2019 11:36:14 +0000
+Subject: [PATCH] staging: bcm2835_codec: Add an option for ignoring
+ Bayer formats.
+
+This is a workaround for GStreamer currently not identifying Bayer
+as a raw format, therefore any device that supports it does not
+match the criteria for v4l2convert.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ .../bcm2835-codec/bcm2835-v4l2-codec.c        | 29 ++++++++++++++++++-
+ 1 file changed, 28 insertions(+), 1 deletion(-)
+
+--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+@@ -58,6 +58,15 @@ static int isp_video_nr = 12;
+ module_param(isp_video_nr, int, 0644);
+ MODULE_PARM_DESC(isp_video_nr, "isp video device number");
++/*
++ * Workaround for GStreamer v4l2convert component not considering Bayer formats
++ * as raw, and therefore not considering a V4L2 device that supports them as
++ * as a suitable candidate.
++ */
++static bool disable_bayer;
++module_param(disable_bayer, bool, 0644);
++MODULE_PARM_DESC(disable_bayer, "Disable support for Bayer formats");
++
+ static unsigned int debug;
+ module_param(debug, uint, 0644);
+ MODULE_PARM_DESC(debug, "activates debug info (0-3)");
+@@ -105,6 +114,7 @@ struct bcm2835_codec_fmt {
+       u32     flags;
+       u32     mmal_fmt;
+       int     size_multiplier_x2;
++      bool    is_bayer;
+ };
+ static const struct bcm2835_codec_fmt supported_formats[] = {
+@@ -203,6 +213,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SRGGB8,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SBGGR8,
+               .depth                  = 8,
+@@ -210,6 +221,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SBGGR8,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGRBG8,
+               .depth                  = 8,
+@@ -217,6 +229,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGRBG8,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGBRG8,
+               .depth                  = 8,
+@@ -224,6 +237,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGBRG8,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               /* 10 bit */
+               .fourcc                 = V4L2_PIX_FMT_SRGGB10P,
+@@ -232,6 +246,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SRGGB10P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SBGGR10P,
+               .depth                  = 10,
+@@ -239,6 +254,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SBGGR10P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGRBG10P,
+               .depth                  = 10,
+@@ -246,6 +262,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGRBG10P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGBRG10P,
+               .depth                  = 10,
+@@ -253,6 +270,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGBRG10P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               /* 12 bit */
+               .fourcc                 = V4L2_PIX_FMT_SRGGB12P,
+@@ -261,6 +279,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SRGGB12P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SBGGR12P,
+               .depth                  = 12,
+@@ -268,6 +287,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SBGGR12P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGRBG12P,
+               .depth                  = 12,
+@@ -275,6 +295,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGRBG12P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGBRG12P,
+               .depth                  = 12,
+@@ -282,6 +303,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGBRG12P,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               /* 16 bit */
+               .fourcc                 = V4L2_PIX_FMT_SRGGB16,
+@@ -290,6 +312,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SRGGB16,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SBGGR16,
+               .depth                  = 16,
+@@ -297,6 +320,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SBGGR16,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGRBG16,
+               .depth                  = 16,
+@@ -304,6 +328,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGRBG16,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               .fourcc                 = V4L2_PIX_FMT_SGBRG16,
+               .depth                  = 16,
+@@ -311,6 +336,7 @@ static const struct bcm2835_codec_fmt su
+               .flags                  = 0,
+               .mmal_fmt               = MMAL_ENCODING_BAYER_SGBRG16,
+               .size_multiplier_x2     = 2,
++              .is_bayer               = true,
+       }, {
+               /* Compressed formats */
+               .fourcc                 = V4L2_PIX_FMT_H264,
+@@ -438,7 +464,8 @@ static const struct bcm2835_codec_fmt *g
+       unsigned int i;
+       for (i = 0; i < ARRAY_SIZE(supported_formats); i++) {
+-              if (supported_formats[i].mmal_fmt == mmal_fmt)
++              if (supported_formats[i].mmal_fmt == mmal_fmt &&
++                  (!disable_bayer || !supported_formats[i].is_bayer))
+                       return &supported_formats[i];
+       }
+       return NULL;