On 03/24/2015 03:40 AM, "Stéphane Viau" wrote:
> Hi Archit,
>
>> Hi Stephane,
>>
>> On 03/14/2015 01:19 AM, Stephane Viau wrote:
>>> Some interfaces (WB, DSI Command Mode) need to be kicked off
>>> through a START Signal. This signal needs to be sent at the right
>>> time and requests in some cases to keep track of the pipeline
>>> status (eg: whether pipeline registers are flushed AND output WB
>>> buffers are ready, in case of WB interface).
>>>
>>> Signed-off-by: Stephane Viau <sviau at codeaurora.org>
>>> ---
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c | 2 +
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.h | 7 +-
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 31 ++--
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c | 247
>>> ++++++++++++++++++++++++----
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h | 72 +++-----
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c | 13 +-
>>> drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h | 1 +
>>> 7 files changed, 276 insertions(+), 97 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
>>> b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
>>> index c078f30..72c075a 100644
>>> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
>>> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c
>>> @@ -31,6 +31,7 @@ const struct mdp5_cfg_hw msm8x74_config = {
>>> .ctl = {
>>> .count = 5,
>>> .base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
>>> + .flush_hw_mask = 0x0003ffff,
>>> },
>>> .pipe_vig = {
>>> .count = 3,
>>> @@ -78,6 +79,7 @@ const struct mdp5_cfg_hw apq8084_config = {
>>> .ctl = {
>>> .count = 5,
>>> .base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
>>> + .flush_hw_mask = 0x003fffff,
>>
>> msm8x16 would require a flush_hw_mask too, it should be 0x32a59 if I'm
>> not wrong. Could you please add it for the next revision, or as a part
>> of the 8x16 hw cfg patch?
>
> Correct; thanks for pointing this out.
>
> IMO, this value should be 0x4003ffff because the fields are actually
> present in the register (even though the interfaces/pipes.etc. are not).
> Anyway, these bits won't be accessed because the driver won't even allow
> the usage of the corresponding resources.
>
Okay, that makes sense.
> I will update in the v2 of "drm/msm/mdp5: Add hardware configuration for
> msm8x16".
>
> Thanks,
> Stephane.
>
Thanks!
Archit
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