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

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Hi Ville,

On 10/22/2016 12:52 AM, ville.syrjala@xxxxxxxxxxxxxxx wrote:
From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

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@xxxxxxxxx>
Cc: Jilai Wang <jilaiw@xxxxxxxxxxxxxx>
Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Rob Clark <robdclark@xxxxxxxxx>
---
 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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