[PATCH v4 6/6] drm/komeda: Expose side_by_side by sysfs/config_id

[james qian wang (Arm Technology China)]

There are some restrictions if HW works on side_by_side, expose it via
config_id to user.

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@xxxxxxx>
---
 drivers/gpu/drm/arm/display/include/malidp_product.h | 3 ++-
 drivers/gpu/drm/arm/display/komeda/komeda_dev.c      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h b/drivers/gpu/drm/arm/display/include/malidp_product.h
index 1053b11352eb..96e2e4016250 100644
--- a/drivers/gpu/drm/arm/display/include/malidp_product.h
+++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
@@ -27,7 +27,8 @@ union komeda_config_id {
 			n_scalers:2, /* number of scalers per pipeline */
 			n_layers:3, /* number of layers per pipeline */
 			n_richs:3, /* number of rich layers per pipeline */
-			reserved_bits:6;
+			side_by_side:1, /* if HW works on side_by_side mode */
+			reserved_bits:5;
 	};
 	__u32 value;
 };
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
index c3fa4835cb8d..4dd4699d4e3d 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -83,6 +83,7 @@ config_id_show(struct device *dev, struct device_attribute *attr, char *buf)
 	memset(&config_id, 0, sizeof(config_id));
 
 	config_id.max_line_sz = pipe->layers[0]->hsize_in.end;
+	config_id.side_by_side = mdev->side_by_side;
 	config_id.n_pipelines = mdev->n_pipelines;
 	config_id.n_scalers = pipe->n_scalers;
 	config_id.n_layers = pipe->n_layers;
-- 
2.20.1