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media: s5p-mfc: Load firmware for each run in MFCv12.

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In MFCv12, some section of firmware gets updated at each MFC run.
Hence we need to reload original firmware for each run at the start.

Cc: linux-fsd@tesla.com
Signed-off-by: Smitha T Murthy <smithatmurthy@gmail.com>
Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Aakarsh Jain 2023-12-13 13:41:04 +05:30 committed by Hans Verkuil
parent a394c3ff5f
commit f30d7cfac4
1 changed files with 8 additions and 2 deletions
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10
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c
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@ -51,8 +51,14 @@ int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev)
* into kernel. */
mfc_debug_enter();
if (dev->fw_get_done)
return 0;
/* In case of MFC v12, RET_SYS_INIT response from hardware fails due to
* incorrect firmware transfer and therefore it is not able to initialize
* the hardware. This causes failed response for SYS_INIT command when
* MFC runs for second time. So, load the MFC v12 firmware for each run.
*/
if (!IS_MFCV12(dev))
if (dev->fw_get_done)
return 0;
for (i = MFC_FW_MAX_VERSIONS - 1; i >= 0; i--) {
if (!dev->variant->fw_name[i])