[v1] drm/msm/dpu: Add Concurrent Writeback Support for DPU 10.x+

[PATCH 02/21] drm: print clone mode status in atomic state

Posted by Jessica Zhang 1 year, 3 months ago

Add clone mode status to the DRM atomic print state

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
---
 drivers/gpu/drm/drm_atomic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 07b4b394e3bf..145d6a758d4d 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -455,6 +455,7 @@ static void drm_atomic_crtc_print_state(struct drm_printer *p,
 	drm_printf(p, "\tconnector_mask=%x\n", state->connector_mask);
 	drm_printf(p, "\tencoder_mask=%x\n", state->encoder_mask);
 	drm_printf(p, "\tmode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(&state->mode));
+	drm_printf(p, "\tin_clone_mode=%d\n", drm_crtc_in_clone_mode(crtc->state));
 
 	if (crtc->funcs->atomic_print_state)
 		crtc->funcs->atomic_print_state(p, state);

-- 
2.34.1

Re: [PATCH 02/21] drm: print clone mode status in atomic state

Posted by Dmitry Baryshkov 1 year, 3 months ago

On Thu, Aug 29, 2024 at 01:48:23PM GMT, Jessica Zhang wrote:
> Add clone mode status to the DRM atomic print state
> 
> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
> ---
>  drivers/gpu/drm/drm_atomic.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 07b4b394e3bf..145d6a758d4d 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -455,6 +455,7 @@ static void drm_atomic_crtc_print_state(struct drm_printer *p,
>  	drm_printf(p, "\tconnector_mask=%x\n", state->connector_mask);
>  	drm_printf(p, "\tencoder_mask=%x\n", state->encoder_mask);
>  	drm_printf(p, "\tmode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(&state->mode));
> +	drm_printf(p, "\tin_clone_mode=%d\n", drm_crtc_in_clone_mode(crtc->state));

We have encoder_mask two lines above. What is the benefit of having the
separate in_clone_mode?

>  
>  	if (crtc->funcs->atomic_print_state)
>  		crtc->funcs->atomic_print_state(p, state);
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry

Re: [PATCH 02/21] drm: print clone mode status in atomic state

Posted by Jessica Zhang 1 year, 3 months ago


On 8/30/2024 9:38 AM, Dmitry Baryshkov wrote:
> On Thu, Aug 29, 2024 at 01:48:23PM GMT, Jessica Zhang wrote:
>> Add clone mode status to the DRM atomic print state
>>
>> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
>> ---
>>   drivers/gpu/drm/drm_atomic.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
>> index 07b4b394e3bf..145d6a758d4d 100644
>> --- a/drivers/gpu/drm/drm_atomic.c
>> +++ b/drivers/gpu/drm/drm_atomic.c
>> @@ -455,6 +455,7 @@ static void drm_atomic_crtc_print_state(struct drm_printer *p,
>>   	drm_printf(p, "\tconnector_mask=%x\n", state->connector_mask);
>>   	drm_printf(p, "\tencoder_mask=%x\n", state->encoder_mask);
>>   	drm_printf(p, "\tmode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(&state->mode));
>> +	drm_printf(p, "\tin_clone_mode=%d\n", drm_crtc_in_clone_mode(crtc->state));
> 
> We have encoder_mask two lines above. What is the benefit of having the
> separate in_clone_mode?

Hi Dmitry,

I was thinking that this would be an easy way to note if a CRTC was in 
clone mode, but I can see why this is redundant.

Will drop this patch.

Thanks,

Jessica Zhang

> 
>>   
>>   	if (crtc->funcs->atomic_print_state)
>>   		crtc->funcs->atomic_print_state(p, state);
>>
>> -- 
>> 2.34.1
>>
> 
> -- 
> With best wishes
> Dmitry