diff options
Diffstat (limited to 'drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c')
| -rw-r--r-- | drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c index 6d3c92045c05..503487f34a80 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_ctrl.c @@ -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]) @@ -130,7 +136,7 @@ int s5p_mfc_reset(struct s5p_mfc_dev *dev) mfc_write(dev, 0, S5P_FIMV_REG_CLEAR_BEGIN_V6 + (i*4)); /* check bus reset control before reset */ - if (dev->risc_on) + if (dev->risc_on && !IS_MFCV12(dev)) if (s5p_mfc_bus_reset(dev)) return -EIO; /* Reset @@ -236,7 +242,7 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev) else mfc_write(dev, 0x3ff, S5P_FIMV_SW_RESET); - if (IS_MFCV10(dev)) + if (IS_MFCV10_PLUS(dev)) mfc_write(dev, 0x0, S5P_FIMV_MFC_CLOCK_OFF_V10); mfc_debug(2, "Will now wait for completion of firmware transfer\n"); |