diff options
| author | Jason Chen <b02280@freescale.com> | 2011-07-27 14:13:58 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 20:21:40 +0800 |
| commit | e24f0f04397544d22f609eb2b2c14f8d4a61bde0 (patch) | |
| tree | 9444a4503b6db93803b8d3060bbc2854604eb629 /drivers/mxc | |
| parent | 4435c3407d1ef8610d67a645e14fc4c64123374d (diff) | |
ENGR00153761 imx6q ipuv3: improve display quality
to avoid ipu starvation issue.
1. enable IPU AXI cache in uboot
2. set Qos to 7 for IPU to highest priority in uboot.
3. set AXI id to 0 for high priority IDMA channel in linux.
Signed-off-by: Jason Chen <b02280@freescale.com>
Diffstat (limited to 'drivers/mxc')
| -rw-r--r-- | drivers/mxc/ipu3/ipu_common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mxc/ipu3/ipu_common.c b/drivers/mxc/ipu3/ipu_common.c index 7927665c92a6..db35c2995b95 100644 --- a/drivers/mxc/ipu3/ipu_common.c +++ b/drivers/mxc/ipu3/ipu_common.c @@ -1368,7 +1368,8 @@ int32_t ipu_init_channel_buffer(struct ipu_soc *ipu, ipu_channel_t channel, _ipu_smfc_set_burst_size(ipu, channel, burst_size-1); } - if (idma_is_set(ipu, IDMAC_CHA_PRI, dma_chan) && !cpu_is_mx53()) + if (idma_is_set(ipu, IDMAC_CHA_PRI, dma_chan) && !cpu_is_mx53() + && !cpu_is_mx6q()) _ipu_ch_param_set_high_priority(ipu, dma_chan); _ipu_ch_param_dump(ipu, dma_chan); |