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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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439d7ac087
This patch computes and stored 2nd M/N/TU for switching to different refresh rate dynamically. PIPECONF_EDP_RR_MODE_SWITCH bit helps toggle between alternate refresh rates programmed in 2nd M/N/TU registers. v2: Daniel's review comments Computing M2/N2 in compute_config and storing it in crtc_config v3: Modified reference to edp_downclock and edp_downclock_avail based on the changes made to move them from dev_private to intel_panel. v4: Modified references to is_drrs_supported based on the changes made to rename it to drrs_support. v5: Jani's review comments Removed superfluous return statements. Changed support for Gen 7 and above. Corrected indentation. Re-structured the code which finds crtc and connector from encoder. Changed some logs to be less verbose. v6: Modifying i915_drrs to include only intel connector as intel_dp can be derived from intel connector when required. v7: As per internal review comments, acquiring mutex just before accessing drrs RR. As per Chris's review comments, added documentation about the use of locking in the function. v8: Incorporated Jani's review comments. Removed reference to edp_downclock. v9: Jani's review comments. Modified comment in set_drrs. Changed index to type edp_drrs_refresh_rate_type. Check if PSR is enabled before setting registers fo DRRS. Signed-off-by: Pradeep Bhat <pradeep.bhat@intel.com> Signed-off-by: Vandana Kannan <vandana.kannan@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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