linux/drivers/gpu/drm/amd/display/modules/freesync/freesync.c, branch v5.5

drm/amd/display: Fix screen tearing on vrr tests

2019-12-05T23:22:40Z

[Why] Screen tearing is present in tests when setting the frame rate to certain fps [How] Revert previous optimizations for low frame rates. Signed-off-by: Amanda Liu Reviewed-by: Aric Cyr Acked-by: Leo Li Signed-off-by: Alex Deucher

drm/amd/display: Add capability check for static ramp calc

2019-10-11T00:34:20Z

[Why] Static ramp to max refresh rate does not have capability check on calculated v_total. Programming a lower v_total_min and max than the total causes continuous spurious HPDs. [How] Add a capability check after v_total calculation similar to calculate v_total helper functions. Signed-off-by: Jaehyun Chung Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher

drm/amd/display: Properly round nominal frequency for SPD

2019-10-11T00:32:16Z

[Why] Some displays rely on the SPD verticle frequency maximum value. Must round the calculated refresh rate to the nearest integer. [How] Round the nominal calculated refresh rate to the nearest whole integer. Signed-off-by: Aric Cyr Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher

drm/amd/display: remove set but not used variable 'core_freesync'

2019-10-07T20:10:16Z

Fixes gcc '-Wunused-but-set-variable' warning: rivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c: In function mod_freesync_get_settings: drivers/gpu/drm/amd/amdgpu/../display/modules/freesync/freesync.c:984:24: warning: variable core_freesync set but not used [-Wunused-but-set-variable] It is not used since commit 98e6436d3af5 ("drm/amd/display: Refactor FreeSync module") Reviewed-by: Harry Wentland Reported-by: Hulk Robot Signed-off-by: YueHaibing Signed-off-by: Alex Deucher

drm/amd/display: Improve LFC behaviour

2019-10-03T14:10:58Z

[Why] There can be some unsynchronized frames when entering/exiting LFC. This may cause tearing or stuttering at such transitions. [How] Add a enter/exit margin to algorithm to smoothly transition into and out of LFC without desynchronizing frames. Signed-off-by: Aric Cyr Reviewed-by: Reza Amini Acked-by: Leo Li Acked-by: Sivapiriyan Kumarasamy Signed-off-by: Alex Deucher

drm/amd/display: Refactoring VTEM

2019-08-23T16:41:58Z

[Why] Video Timing Extended Metadata packet (VTEM) is not specific to freesync. So move it out of freesync module [How] - Moved VTEM from freesync module to info_packet module - Created new structure for VTEM parameters that can be used for VRR and FVA Signed-off-by: Ahmad Othman Reviewed-by: Chris Park Acked-by: Ahmad Othman Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher

drm/amd/display: Fix frames_to_insert math

2019-08-15T15:53:12Z

[Why] The math on deciding on how many "frames to insert" sometimes sent us over the max refresh rate. Also integer overflow can occur if we have high refresh rates. [How] Instead of clipping the frame duration such that it doesn’t go below the min, just remove a frame from the number of frames to insert. + Use unsigned long long for intermediate calculations to prevent integer overflow. Signed-off-by: Bayan Zabihiyan Reviewed-by: Aric Cyr Acked-by: Leo Li Signed-off-by: Alex Deucher

drm/amd: drop use of drmp.h in os_types.h

2019-06-10T20:59:45Z

Drop use of the deprecated drmP.h from display/dc/os_types.h Fix all fallout after this change. Most of the fixes was adding a missing include of vmalloc.h. Signed-off-by: Sam Ravnborg Reviewed-by: Alex Deucher Cc: "Christian König" Cc: "David (ChunMing) Zhou" Cc: David Airlie Cc: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20190609220757.10862-4-sam@ravnborg.org

drm/amd/display: Fix and simplify apply_below_the_range()

2019-04-29T19:59:35Z

The comparison of inserted_frame_duration_in_us against a duration calculated from max_refresh_in_uhz is both wrong in its math and not needed, as the min_duration_in_us value is already cached in in_out_vrr for reuse. No need to recalculate it wrongly at each invocation. Signed-off-by: Mario Kleiner Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher

drm/amd/display: Fix VTEM InfoPacket programming

2019-03-21T04:39:48Z

Refactor setting bit fields. Correcting the offset of MD0. Initializing the InfoPacket header fields. Defining the field offsets and masks. Signed-off-by: Reza Amini Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher