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/linux/drivers/gpu/drm/amd/display/modules/inc/
H A Dmod_freesync.hdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
/linux/drivers/gpu/drm/amd/display/dc/
H A Ddc_dmub_srv.hdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
H A Ddc_dmub_srv.cdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
H A Ddc_stream.hdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
/linux/drivers/gpu/drm/amd/display/modules/freesync/
H A Dfreesync.cdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
/linux/drivers/gpu/drm/amd/display/dc/core/
H A Ddc.cdiff c2fbe663ec4f991832d67f936d3941f781884156 Sun Mar 07 19:27:30 CET 2021 Felipe Clark <felipe.clark@amd.com> drm/amd/display: Firmware assisted MCLK switch and FS

[WHY]
Memory clock switching has great potential for power savings.

[HOW]
The driver code was modified to notify the DMCUB firmware that it should
stretch the vertical blank of frames when a memory clock switch is about
to start so that no blackouts happen on the screen due to unavailability
of the frame buffer.
The driver logic to determine when such firmware assisted strategy can
be initiated is also implemented and consists on checking prerequisites
of the feature.

Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Felipe Clark <felipe.clark@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>