mbox series

[v1,0/9] media: qcom: camss: Bugfix series

Message ID 20230822161620.1915110-1-bryan.odonoghue@linaro.org
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Series media: qcom: camss: Bugfix series | expand

Message

Bryan O'Donoghue Aug. 22, 2023, 4:16 p.m. UTC
V1:
- Drops dt_id = vc * 4 in favour of a patch in a later series - Hans
  Link: https://git.codelinaro.org/bryan.odonoghue/kernel/-/commit/d4c382c5d6ee153b410a01e172b3e811011d0b14
- Adds Konrad's Acked-by as indicated

V0:
This series covers a number of Fixes: all of which are for application to
stable as well as -next with the exception of the second patch which is a
fix for a SHA that is still in -next.

Link: https://git.codelinaro.org/bryan.odonoghue/kernel/-/tree/linux-next-23-08-07-db410c-rb3-camss-dts-v3

This series is part of a larger set of fixes, improvements developed/found
when adding a new SoC.

Link: https://git.codelinaro.org/bryan.odonoghue/kernel/-/tree/lenovo-x13s-v6.5-rc4-x13s-camss-patches

First pass on that larger series is to get all of the current Fixes: in the
branch out.

Andrey Konovalov (1):
  media: qcom: camss: Fix csid-gen2 for test pattern generator

Bryan O'Donoghue (8):
  media: qcom: camss: Fix pm_domain_on sequence in probe
  media: qcom: camss: Fix V4L2 async notifier error path
  media: qcom: camss: Fix vfe_get() error jump
  media: qcom: camss: Fix VFE-17x vfe_disable_output()
  media: qcom: camss: Fix VFE-480 vfe_disable_output()
  media: qcom: camss: Fix missing vfe_lite clocks check
  media: qcom: camss: Fix invalid clock enable bit disjunction
  media: qcom: camss: Fix set CSI2_RX_CFG1_VC_MODE when VC is greater
    than 3

 .../platform/qcom/camss/camss-csid-gen2.c     | 11 ++++----
 .../qcom/camss/camss-csiphy-3ph-1-0.c         |  2 +-
 .../media/platform/qcom/camss/camss-vfe-170.c | 19 +++-----------
 .../media/platform/qcom/camss/camss-vfe-480.c | 19 +++-----------
 drivers/media/platform/qcom/camss/camss-vfe.c |  5 ++--
 drivers/media/platform/qcom/camss/camss.c     | 26 +++++++++----------
 6 files changed, 28 insertions(+), 54 deletions(-)

Comments

Bryan O'Donoghue Aug. 22, 2023, 7:07 p.m. UTC | #1
On 22/08/2023 17:38, Konrad Dybcio wrote:
> On 22.08.2023 18:16, Bryan O'Donoghue wrote:
>> From: Andrey Konovalov <andrey.konovalov@linaro.org>
>>
>> In the current driver csid Test Pattern Generator (TPG) doesn't work.
>> This change:
>> - fixes writing frame width and height values into CSID_TPG_DT_n_CFG_0
>> - fixes the shift by one between test_pattern control value and the
>>    actual pattern.
>> So that TPG starts working, but with the below limitations:
>> - only test_pattern=9 works as it should
>> - test_pattern=8 and test_pattern=7 produce black frame (all zeroes)
>> - the rest of test_pattern's don't work (yavta doesn't get the data)
>> - regardless of the CFA pattern set by 'media-ctl -V' the actual pixel
>>    order is always the same (RGGB for any RAW8 or RAW10P format in
>>    4608x2592 resolution).
>>
>> Tested with:
>>
>> RAW10P format, VC0:
>>   media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4608x2592 field:none]'
>>   media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4608x2592 field:none]'
>>   media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'
>>   v4l2-ctl -d /dev/v4l-subdev6 -c test_pattern=9
>>   yavta -B capture-mplane --capture=3 -n 3 -f SRGGB10P -s 4608x2592 /dev/video0
>>
>> RAW10P format, VC1:
>>   media-ctl -V '"msm_csid0":2[fmt:SRGGB10/4608x2592 field:none]'
>>   media-ctl -V '"msm_vfe0_rdi1":0[fmt:SRGGB10/4608x2592 field:none]'
>>   media-ctl -l '"msm_csid0":2->"msm_vfe0_rdi1":0[1]'
>>   v4l2-ctl -d /dev/v4l-subdev6 -c test_pattern=9
>>   yavta -B capture-mplane --capture=3 -n 3 -f SRGGB10P -s 4608x2592 /dev/video1
>>
>> RAW8 format, VC0:
>>   media-ctl --reset
>>   media-ctl -V '"msm_csid0":0[fmt:SRGGB8/4608x2592 field:none]'
>>   media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB8/4608x2592 field:none]'
>>   media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'
>>   yavta -B capture-mplane --capture=3 -n 3 -f SRGGB8 -s 4608x2592 /dev/video0
>>
>> Fixes: eebe6d00e9bf ("media: camss: Add support for CSID hardware version Titan 170")
>> Cc: stable@vger.kernel.org
>> Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
>> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
>> ---
> That's a whole lot to unroll..
> 
> [...]
>>   		if (tg->enabled) {
>> -			/* Config Test Generator */
>> -			vc = 0xa;
>> -
> Which part does this hunk correlate to?
> 
>>   			/* configure one DT, infinite frames */
>>   			val = vc << TPG_VC_CFG0_VC_NUM;
>>   			val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE;
>> @@ -370,14 +367,14 @@ static void __csid_configure_stream(struct csid_device *csid, u8 enable, u8 vc)
>>   
>>   			writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED);
>>   
>> -			val = input_format->height & 0x1fff << TPG_DT_n_CFG_0_FRAME_HEIGHT;
>> -			val |= input_format->width & 0x1fff << TPG_DT_n_CFG_0_FRAME_WIDTH;
>> +			val = (input_format->height & 0x1fff) << TPG_DT_n_CFG_0_FRAME_HEIGHT;
>> +			val |= (input_format->width & 0x1fff) << TPG_DT_n_CFG_0_FRAME_WIDTH;
>>   			writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0));
> This screams necessity for FIELD_PREP/GET! Could you please convert
> it in another series if you have time for it?

I mean yes I want to or want it done. To me 1 << somevalue is just silly 
when you can say BIT(somevalue).

There will be a "make it pretty series".

I'll do a V2 of this series and explain in the commit log what's 
happening with the removal of vc = 0xa; since if someone has to ask, its 
not obvious whats going on.

---
bod