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Subject: media: staging: media: ipu3-imgu: Request specific firmware binary
Author:  Sakari Ailus <[email protected]>
Date:    Fri Mar 18 16:08:12 2022 +0000

Primarily request a specific revision of the IPU3 firmware that the driver
is known to work with,
irci_irci_ecr-master_20161208_0213_20170112_1500.bin. Some distros only
ship this while others provide a symlink called ipu3-fw.bin, which the
driver only requested previously.

Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/staging/media/ipu3/ipu3-css-fw.c | 4 +++-
 drivers/staging/media/ipu3/ipu3-css-fw.h | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

---

diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.c 
b/drivers/staging/media/ipu3/ipu3-css-fw.c
index 981693eed815..2b659b0ccca1 100644
--- a/drivers/staging/media/ipu3/ipu3-css-fw.c
+++ b/drivers/staging/media/ipu3/ipu3-css-fw.c
@@ -117,7 +117,9 @@ int imgu_css_fw_init(struct imgu_css *css)
        unsigned int i, j, binary_nr;
        int r;
 
-       r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
+       r = request_firmware(&css->fw, IMGU_FW_NAME_20161208, css->dev);
+       if (r == -ENOENT)
+               r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
        if (r)
                return r;
 
diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.h 
b/drivers/staging/media/ipu3/ipu3-css-fw.h
index c0bc57fd678a..f9403da75785 100644
--- a/drivers/staging/media/ipu3/ipu3-css-fw.h
+++ b/drivers/staging/media/ipu3/ipu3-css-fw.h
@@ -6,7 +6,9 @@
 
 /******************* Firmware file definitions *******************/
 
-#define IMGU_FW_NAME                   "intel/ipu3-fw.bin"
+#define IMGU_FW_NAME           "intel/ipu3-fw.bin"
+#define IMGU_FW_NAME_20161208  \
+       "intel/irci_irci_ecr-master_20161208_0213_20170112_1500.bin"
 
 typedef u32 imgu_fw_ptr;
 

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