diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c index 0fad15020c74..c0740dbdcc2e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c @@ -47,6 +47,7 @@ static void recalculate_params( unsigned int num_pipes); static unsigned int CursorBppEnumToBits(enum cursor_bpp ebpp); +static void cache_debug_params(struct display_mode_lib *mode_lib); unsigned int dml_get_voltage_level( struct display_mode_lib *mode_lib, @@ -73,6 +74,7 @@ unsigned int dml_get_voltage_level( PixelClockAdjustmentForProgressiveToInterlaceUnit(mode_lib); } mode_lib->funcs.validate(mode_lib); + cache_debug_params(mode_lib); return mode_lib->vba.VoltageLevel; } @@ -745,6 +747,28 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib) mode_lib->vba.HostVMEnable = mode_lib->vba.HostVMEnable && !!ip->hostvm_enable; } +/** + * ******************************************************************************************** + * cache_debug_params: Cache any params that needed to be maintained from the initial validation + * for debug purposes. + * + * The DML getters can modify some of the VBA params that we are interested in (for example when + * calculating with dummy p-state latency), so cache any params here that we want for debugging + * + * @param [in] mode_lib: mode_lib input/output of validate call + * + * @return: void + * + * ******************************************************************************************** + */ +static void cache_debug_params(struct display_mode_lib *mode_lib) +{ + int k = 0; + + for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; k++) + mode_lib->vba.CachedActiveDRAMClockChangeLatencyMargin[k] = mode_lib->vba.ActiveDRAMClockChangeLatencyMargin[k]; +} + // in wm mode we pull the parameters needed from the display_e2e_pipe_params_st structs // rather than working them out as in recalculate_ms static void recalculate_params( |