* [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
@ 2024-05-09 19:40 Barnabás Czémán
2024-05-09 20:42 ` Abhinav Kumar
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Barnabás Czémán @ 2024-05-09 19:40 UTC (permalink / raw
To: Rob Clark, Abhinav Kumar, Dmitry Baryshkov, Sean Paul,
Marijn Suijten, David Airlie, Daniel Vetter
Cc: linux-arm-msm, dri-devel, freedreno, linux-kernel,
Barnabás Czémán
The irq_idx is unsigned so it cannot be lower than zero, better
to change the condition to check if it is equal with zero.
It could not cause any issue because a valid irq index starts from one.
Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
---
Changes in v2:
- Add Fixes in commit message.
- Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@gmail.com
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 119f3ea50a7c..cf7d769ab3b9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -428,7 +428,7 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
return -EWOULDBLOCK;
}
- if (irq_idx < 0) {
+ if (irq_idx == 0) {
DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n",
DRMID(phys_enc->parent), func);
return 0;
---
base-commit: 704ba27ac55579704ba1289392448b0c66b56258
change-id: 20240509-irq_wait-49444cea77e2
Best regards,
--
Barnabás Czémán <trabarni@gmail.com>
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
@ 2024-05-09 20:42 ` Abhinav Kumar
2024-05-09 20:42 ` Dmitry Baryshkov
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Abhinav Kumar @ 2024-05-09 20:42 UTC (permalink / raw
To: Barnabás Czémán, Rob Clark, Dmitry Baryshkov,
Sean Paul, Marijn Suijten, David Airlie, Daniel Vetter
Cc: linux-arm-msm, dri-devel, freedreno, linux-kernel
On 5/9/2024 12:40 PM, Barnabás Czémán wrote:
> The irq_idx is unsigned so it cannot be lower than zero, better
> to change the condition to check if it is equal with zero.
> It could not cause any issue because a valid irq index starts from one.
>
> Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
> Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
> ---
> Changes in v2:
> - Add Fixes in commit message.
> - Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@gmail.com
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
no functional change, so you could have retained by R-b, but here it is
again,
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 119f3ea50a7c..cf7d769ab3b9 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -428,7 +428,7 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
> return -EWOULDBLOCK;
> }
>
> - if (irq_idx < 0) {
> + if (irq_idx == 0) {
> DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n",
> DRMID(phys_enc->parent), func);
> return 0;
>
> ---
> base-commit: 704ba27ac55579704ba1289392448b0c66b56258
> change-id: 20240509-irq_wait-49444cea77e2
>
> Best regards,
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
2024-05-09 20:42 ` Abhinav Kumar
@ 2024-05-09 20:42 ` Dmitry Baryshkov
2024-06-03 21:44 ` Abhinav Kumar
2024-06-05 20:08 ` Abhinav Kumar
3 siblings, 0 replies; 5+ messages in thread
From: Dmitry Baryshkov @ 2024-05-09 20:42 UTC (permalink / raw
To: Barnabás Czémán
Cc: Rob Clark, Abhinav Kumar, Sean Paul, Marijn Suijten, David Airlie,
Daniel Vetter, linux-arm-msm, dri-devel, freedreno, linux-kernel
On Thu, 9 May 2024 at 22:40, Barnabás Czémán <trabarni@gmail.com> wrote:
>
> The irq_idx is unsigned so it cannot be lower than zero, better
> to change the condition to check if it is equal with zero.
> It could not cause any issue because a valid irq index starts from one.
>
> Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
> Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
In the previous revision you have got the Reviewed-by tag, which you
didn't include here for some reason.
This revision is:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Note, there is no need to send a next iteration just for these tags.
They usually get picked up by the patch management software (including
the Fixes tag).
> ---
> Changes in v2:
> - Add Fixes in commit message.
> - Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@gmail.com
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 119f3ea50a7c..cf7d769ab3b9 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -428,7 +428,7 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc,
> return -EWOULDBLOCK;
> }
>
> - if (irq_idx < 0) {
> + if (irq_idx == 0) {
> DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n",
> DRMID(phys_enc->parent), func);
> return 0;
>
> ---
> base-commit: 704ba27ac55579704ba1289392448b0c66b56258
> change-id: 20240509-irq_wait-49444cea77e2
>
> Best regards,
> --
> Barnabás Czémán <trabarni@gmail.com>
>
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
2024-05-09 20:42 ` Abhinav Kumar
2024-05-09 20:42 ` Dmitry Baryshkov
@ 2024-06-03 21:44 ` Abhinav Kumar
2024-06-05 20:08 ` Abhinav Kumar
3 siblings, 0 replies; 5+ messages in thread
From: Abhinav Kumar @ 2024-06-03 21:44 UTC (permalink / raw
To: Barnabás Czémán, Rob Clark, Dmitry Baryshkov,
Sean Paul, Marijn Suijten, David Airlie, Daniel Vetter
Cc: linux-arm-msm, dri-devel, freedreno, linux-kernel
On 5/9/2024 12:40 PM, Barnabás Czémán wrote:
> The irq_idx is unsigned so it cannot be lower than zero, better
> to change the condition to check if it is equal with zero.
> It could not cause any issue because a valid irq index starts from one.
>
> Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1")
> Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
> ---
> Changes in v2:
> - Add Fixes in commit message.
> - Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@gmail.com
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
To make patchwork happy, I am re-adding the tags this patch for
previously as they got lost.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] drm/msm/dpu: fix encoder irq wait skip
2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
` (2 preceding siblings ...)
2024-06-03 21:44 ` Abhinav Kumar
@ 2024-06-05 20:08 ` Abhinav Kumar
3 siblings, 0 replies; 5+ messages in thread
From: Abhinav Kumar @ 2024-06-05 20:08 UTC (permalink / raw
To: Rob Clark, Dmitry Baryshkov, Sean Paul, Marijn Suijten,
David Airlie, Daniel Vetter, Barnabás Czémán
Cc: Abhinav Kumar, linux-arm-msm, dri-devel, freedreno, linux-kernel
On Thu, 09 May 2024 21:40:41 +0200, Barnabás Czémán wrote:
> The irq_idx is unsigned so it cannot be lower than zero, better
> to change the condition to check if it is equal with zero.
> It could not cause any issue because a valid irq index starts from one.
>
>
Applied, thanks!
[1/1] drm/msm/dpu: fix encoder irq wait skip
https://gitlab.freedesktop.org/abhinavk/msm-next/-/commit/8dfe802d4a7c
Best regards,
--
Abhinav Kumar <quic_abhinavk@quicinc.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
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2024-05-09 19:40 [PATCH v2] drm/msm/dpu: fix encoder irq wait skip Barnabás Czémán
2024-05-09 20:42 ` Abhinav Kumar
2024-05-09 20:42 ` Dmitry Baryshkov
2024-06-03 21:44 ` Abhinav Kumar
2024-06-05 20:08 ` Abhinav Kumar
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