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[v4,09/14] dt-bindings: display: Add max-memory-bandwidth property for mxsfb

Message ID 1567078215-31601-10-git-send-email-robert.chiras@nxp.com (mailing list archive)
State New, archived
Headers show
Series Improvements and fixes for mxsfb DRM driver | expand

Commit Message

Robert Chiras Aug. 29, 2019, 11:30 a.m. UTC 
Add new optional property 'max-memory-bandwidth', to limit the maximum
bandwidth used by the MXSFB_DRM driver.

Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Tested-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/display/mxsfb.txt | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/display/mxsfb.txt b/Documentation/devicetree/bindings/display/mxsfb.txt
index 472e1ea..c8dca50 100644
--- a/Documentation/devicetree/bindings/display/mxsfb.txt
+++ b/Documentation/devicetree/bindings/display/mxsfb.txt
@@ -14,6 +14,11 @@  Required properties:
     - "pix" for the LCDIF block clock
     - (MX6SX-only) "axi", "disp_axi" for the bus interface clock
 
+Optional properties:
+- max-memory-bandwidth: maximum bandwidth in bytes per second that the
+	controller can handle; if not present, the memory
+	interface is fast enough to handle all possible video modes
+
 Required sub-nodes:
   - port: The connection to an encoder chip.