drm/msm/sde: add maxlinewidth to rotator capabiilty
Maximum line width of rotator specifies the maximum image
width in pixel supported by inline rotator. Export this
information in capability blob for client query.
CRs-Fixed: 2009714
Change-Id: Ic1125ec7d9be8224cce174742e14fe8a523a8b82
Signed-off-by: Alan Kwong <akwong@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_hw_rot.c b/drivers/gpu/drm/msm/sde/sde_hw_rot.c
index c5428e7..85285ba 100644
--- a/drivers/gpu/drm/msm/sde/sde_hw_rot.c
+++ b/drivers/gpu/drm/msm/sde/sde_hw_rot.c
@@ -779,6 +779,25 @@
}
/**
+ * sde_hw_rot_get_maxlinewidth - get maximum line width of rotator
+ * @hw: Pointer to rotator hardware driver
+ * return: maximum line width
+ */
+static int sde_hw_rot_get_maxlinewidth(struct sde_hw_rot *hw)
+{
+ struct platform_device *pdev;
+
+ if (!hw || !hw->caps || !hw->caps->pdev) {
+ SDE_ERROR("invalid rotator hw\n");
+ return 0;
+ }
+
+ pdev = hw->caps->pdev;
+
+ return sde_rotator_inline_get_maxlinewidth(pdev);
+}
+
+/**
* _setup_rot_ops - setup rotator operations
* @ops: Pointer to operation table
* @features: available feature bitmask
@@ -790,6 +809,7 @@
ops->get_format_caps = sde_hw_rot_get_format_caps;
ops->get_downscale_caps = sde_hw_rot_get_downscale_caps;
ops->get_cache_size = sde_hw_rot_get_cache_size;
+ ops->get_maxlinewidth = sde_hw_rot_get_maxlinewidth;
}
/**