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e87b92c6af
[Why] HUBP_UNBOUNDED_REQ_MODE and CURSOR_REQ_MODE are normally set together. In hubp32_prepare_subvp_buffering() call, CURSOR_REQ_MODE is set based on whether SubVP is enabled or not. For non MPO case, both REQ_MODE registers are set to 1. But since SubVP is not enabled, then CURSOR_REQ_MODE is set to 0, overriding the previous value. [How] Do not set CURSOR_REQ_MODE to 0 if SubVP is not enabled. This will allow CURSOR_REQ_MODE to stay as 1 in the non MPO case. Add note to follow up and check case for single pipe MPO and SubVP enabled as this would cause both REQ_MODE registers to be set to 0 but SubVP enabled would override CURSOR_REQ_MODE to 1. Signed-off-by: Samson Tam <Samson.Tam@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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