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Requests for assigning/freeing SMP blocks by planes are collected during the atomic check phase, and represented by mdp5_smp_state's 'assigned' and 'released' members. Once the atomic state is committed, these members are reset to 0, indicating that the existing configuration satisfies all the planes. Future atomic commits will copy the old mdp5_smp_state, and the 'assigned' and 'released' members would be updated only if there was a change in the plane configurations. When we disable and re-enable display, we lose the values we wrote to the SMP registers, but the code doesn't program the registers because there isn't any change in mdp5_smp_state. Fix this by writing to the registers irrespective of whether there was a change in SMP state or not. We do this by keeping a cache of the register values, and write them every time we commit a state. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com> |
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| .. | ||
| mdp4 | ||
| mdp5 | ||
| mdp_common.xml.h | ||
| mdp_format.c | ||
| mdp_kms.c | ||
| mdp_kms.h | ||