diff options
| author | Anusha Koduru <kanusha@codeaurora.org> | 2015-07-24 15:27:23 +0530 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:44:57 -0700 |
| commit | 97746a102c51a195942671a957310fe55a97b638 (patch) | |
| tree | c6024f080c689ef180e5b3d6b5996e759c5fbdd4 /Documentation | |
| parent | 0bbece9015946323672e7c89ff5c17c5f0837b71 (diff) | |
msm: mdss: specify HFlip and VFlip per pipe BW limit
Apply per pipe BW limit check based on HFlip/VFlip. Some
targets have different limits for BW based on usecase.
Change-Id: Ie23dba396b47ffb3fb910e746e4a992fe6d78ab9
Signed-off-by: Anusha Koduru <kanusha@codeaurora.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/fb/mdss-mdp.txt | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/fb/mdss-mdp.txt b/Documentation/devicetree/bindings/fb/mdss-mdp.txt index ddbe584e84af..8e840c10b7a5 100644 --- a/Documentation/devicetree/bindings/fb/mdss-mdp.txt +++ b/Documentation/devicetree/bindings/fb/mdss-mdp.txt @@ -427,8 +427,20 @@ Fudge Factors: Fudge factors are used to boost demand for applied in scenarios where panel interface can be more tolerant to memory latency such as command mode panels. -- qcom,max-bandwidth-per-pipe-kbps: This value indicates the max bandwidth in KB - that a single pipe can support without underflow. +- qcom,max-bandwidth-per-pipe-kbps: A two dimensional array indicating the max + bandwidth in KB that a single pipe can support + without underflow for various usecases. The + first parameter indicates the usecase and the + second parameter gives the max bw allowed for + the usecase. Following are the enum values for + modes in different cases: + For default case, mode = 1 + camera usecase, mode = 2 + hflip usecase, mode = 4 + vflip usecase, mode = 8 + First parameter/mode value need to match enum, + mdss_mdp_max_bw_mode, present in + include/uapi/linux/msm_mdp.h. - qcom,max-bw-settings: This two dimension array indicates the max bandwidth in KB that has to be supported when particular scenarios are involved such as camera, flip. @@ -612,6 +624,8 @@ Example: qcom,max-bandwidth-low-kbps = <2300000>; qcom,max-bandwidth-high-kbps = <3000000>; + qcom,max-bandwidth-per-pipe-kbps = <4 2100000>, + <8 1800000>; qcom,max-bw-settings = <1 2300000>, <2 1700000>, <4 2300000>, |