Hello Reza Amini,
The patch 9bc416266582: "drm/amd/display: Implement VSIF V3 extended
refresh rate feature" from Jul 9, 2020, leads to the following static
checker warning:
drivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c:617
build_vrr_infopacket_data_v3()
warn: both sides of ternary the same: 'max_refresh' max_refresh
max_refresh
drivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c
606
607 min_refresh = (vrr->min_refresh_in_uhz + 500000) / 1000000;
608 max_refresh = (vrr->max_refresh_in_uhz + 500000) / 1000000;
609 fixed_refresh = (vrr->fixed_refresh_in_uhz + 500000) / 1000000;
610
611 min_programmed = (vrr->state == VRR_STATE_ACTIVE_FIXED) ?
fixed_refresh :
612 (vrr->state == VRR_STATE_ACTIVE_VARIABLE) ?
min_refresh :
613 (vrr->state == VRR_STATE_INACTIVE) ?
min_refresh :
614 max_refresh; // Non-fs case, program nominal
range
615
616 max_programmed = (vrr->state == VRR_STATE_ACTIVE_FIXED) ?
fixed_refresh :
617 (vrr->state == VRR_STATE_ACTIVE_VARIABLE) ?
max_refresh :
^^^^^^^^^^^
Probably "min_refresh" was intended here?
618 max_refresh;// Non-fs case, program nominal
range
^^^^^^^^^^^
619
620 /* PB7 = FreeSync Minimum refresh rate (Hz) */
621 infopacket->sb[7] = min_programmed & 0xFF;
622
623 /* PB8 = FreeSync Maximum refresh rate (Hz) */
624 infopacket->sb[8] = max_programmed & 0xFF;
625
regards,
dan carpenter
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