ecore-drm2: Set output rotation value

Summary:
When we call ecore_drm2_output_rotation_set we need to store that
value in the Output structure so that it can be checked later when
needed.

ref T7690

Depends on D8112

Reviewers: raster, cedric, zmike

Reviewed By: cedric

Subscribers: cedric

Tags: #efl, #do_not_merge

Maniphest Tasks: T7690

Differential Revision: https://phab.enlightenment.org/D8113

src/lib/ecore_drm2/ecore_drm2_outputs.c

@@ -1518,10 +1518,12 @@ ecore_drm2_output_supported_rotations_get(Ecore_Drm2_Output *output)
 EAPI Eina_Bool
 ecore_drm2_output_rotation_set(Ecore_Drm2_Output *output, int rotation)
 {
-   Eina_Bool ret = EINA_FALSE;
+   Eina_Bool ret = EINA_TRUE;
 
    EINA_SAFETY_ON_NULL_RETURN_VAL(output, EINA_FALSE);
 
+   output->rotation = rotation;
+
 #if 0
    /* XXX: Disable hardware plane rotation for now as this has broken
     * recently. The break happens because of an invalid argument,

src/lib/ecore_drm2/ecore_drm2_private.h

@@ -208,6 +208,7 @@ struct _Ecore_Drm2_Output
    int fd;
    int pipe;
    int x, y, w, h, pw, ph;
+   int rotation;
 
    long fallback_sec, fallback_usec;