Re: [PATCH] drm/msm: call drm_mode_config_reset before drm_dev_register

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Hi Rob

Thanks for the review.

Yes, this was a cleanup we noticed.

Abhinav
On 2020-06-11 20:35, Rob Clark wrote:
On Tue, Jun 9, 2020 at 5:47 PM Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx> wrote:

As per the documentation of drm_dev_register, all drivers should
call drm_dev_register after all the initialization is completed.
This also means that drm_mode_config_reset should be done before
drm_dev_register.

Change the sequence to align with this documentation.

Signed-off-by: Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx>

I assume this is just a cleanup you noticed, and not fixing a bug you
are hitting (in which case I'll pick it up next merge window, rather
than -fixes)

Reviewed-by: Rob Clark <robdclark@xxxxxxxxx>

---
 drivers/gpu/drm/msm/msm_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 29295dee2a2e..9e77cc7f1fa4 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -538,12 +538,12 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
                }
        }

+       drm_mode_config_reset(ddev);
+
        ret = drm_dev_register(ddev, 0);
        if (ret)
                goto err_msm_uninit;

-       drm_mode_config_reset(ddev);
-
 #ifdef CONFIG_DRM_FBDEV_EMULATION
        if (kms && fbdev)
                priv->fbdev = msm_fbdev_init(ddev);
--
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