| Message ID | 20240509-irq_wait-v2-1-b8b687b22cc4@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] drm/msm/dpu: fix encoder irq wait skip | expand |
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,
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
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>
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,
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;
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(-) --- base-commit: 704ba27ac55579704ba1289392448b0c66b56258 change-id: 20240509-irq_wait-49444cea77e2 Best regards,