Re: [PATCH v2 1/6] drm/msm/mdp5: Use per-plane rotation property

[Archit Taneja <architt@codeaurora.org>]

Hi Ville,

On 10/22/2016 12:52 AM, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> The global mode_config.rotation_property is going away, switch over to
> per-plane rotation_property.


I was trying to test this on msm/drm using modetest. The 180 rotation
works fine, but drm rejects reflect-x and reflect-y rotation prop
values. Is this expected?

I needed to make this modification to get reflect-x/y working too:

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index a747bb1..9fcc2c9 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -711,7 +711,7 @@ int drm_atomic_plane_set_property(struct drm_plane *plane,
  		state->src_h = val;
  	} else if (property == config->rotation_property ||
  		   property == plane->rotation_property) {
-		if (!is_power_of_2(val & DRM_ROTATE_MASK))
+		if (!is_power_of_2(val & (DRM_ROTATE_MASK | DRM_REFLECT_MASK)))
  			return -EINVAL;
  		state->rotation = val;
  	} else if (property == plane->zpos_property) {



Otherwise, the patches look fine to me.

Thanks,
Archit

>
> v2: Drop the BIT()
>
> Cc: Rob Clark <robdclark@gmail.com>
> Cc: Jilai Wang <jilaiw@codeaurora.org>
> Cc: Archit Taneja <architt@codeaurora.org>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Reviewed-by: Rob Clark <robdclark@gmail.com>
> ---
>  drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> index 951c002b05df..2653ad893ebc 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> @@ -75,15 +75,11 @@ static void mdp5_plane_install_rotation_property(struct drm_device *dev,
>  		!(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP))
>  		return;
>
> -	if (!dev->mode_config.rotation_property)
> -		dev->mode_config.rotation_property =
> -			drm_mode_create_rotation_property(dev,
> -				DRM_ROTATE_0 | DRM_REFLECT_X | DRM_REFLECT_Y);
> -
> -	if (dev->mode_config.rotation_property)
> -		drm_object_attach_property(&plane->base,
> -			dev->mode_config.rotation_property,
> -			DRM_ROTATE_0);
> +	drm_plane_create_rotation_property(plane,
> +					   DRM_ROTATE_0,
> +					   DRM_ROTATE_0 |
> +					   DRM_REFLECT_X |
> +					   DRM_REFLECT_Y);
>  }
>
>  /* helper to install properties which are common to planes and crtcs */
>

-- 
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