diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_drv.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index d1a1129a3f5d..e411d46bd803 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -15,6 +15,8 @@ * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/of.h> +#include <linux/sort.h> #include <linux/sys_soc.h> #include <drm/drm_atomic.h> @@ -165,6 +167,18 @@ static void omap_disconnect_dssdevs(struct drm_device *ddev) priv->num_dssdevs = 0; } +static int omap_compare_dssdevs(const void *a, const void *b) +{ + const struct omap_dss_device *dssdev1 = *(struct omap_dss_device **)a; + const struct omap_dss_device *dssdev2 = *(struct omap_dss_device **)b; + + if (dssdev1->alias_id > dssdev2->alias_id) + return 1; + else if (dssdev1->alias_id < dssdev2->alias_id) + return -1; + return 0; +} + static int omap_connect_dssdevs(struct drm_device *ddev) { struct omap_drm_private *priv = ddev->dev_private; @@ -193,6 +207,10 @@ static int omap_connect_dssdevs(struct drm_device *ddev) } } + /* Sort the list by DT aliases */ + sort(priv->dssdevs, priv->num_dssdevs, sizeof(priv->dssdevs[0]), + omap_compare_dssdevs, NULL); + return 0; cleanup: |