There are some restrictions if HW works on side_by_side, expose it by
config_id to user for taking care them.
Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.w...@arm.com>
---
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 2aee735a683f..0fc7b9f6f649 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -82,6 +82,7 @@ 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
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