diff options
| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2019-11-18 13:45:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-05 18:25:07 -0500 |
| commit | e62dbcdb8cbcdc476175dc5a43ea7285c488fbbe (patch) | |
| tree | 18fab342668c2b8ee821d70648e021ef8d5af0f2 /drivers/gpu | |
| parent | 7a02d2985f41539ad2196775085d05f98f4a6040 (diff) | |
| download | linux-e62dbcdb8cbcdc476175dc5a43ea7285c488fbbe.tar.bz2 | |
drm/amd/display: Compare clock state member to determine optimization.
[Why]
It seems always request passive flip on RN due to incorrect compare
clock state to determine optization.
[How]
Instead of calling memcmp, compare clock state member to determine the
condition.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 89ed230cdb26..35c55e54eac0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -471,12 +471,28 @@ static void rn_notify_wm_ranges(struct clk_mgr *clk_mgr_base) } +static bool rn_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b) +{ + if (a->dispclk_khz != b->dispclk_khz) + return false; + else if (a->dppclk_khz != b->dppclk_khz) + return false; + else if (a->dcfclk_khz != b->dcfclk_khz) + return false; + else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) + return false; + + return true; +} + + static struct clk_mgr_funcs dcn21_funcs = { .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, .update_clocks = rn_update_clocks, .init_clocks = rn_init_clocks, .enable_pme_wa = rn_enable_pme_wa, - /* .dump_clk_registers = rn_dump_clk_registers, */ + .are_clock_states_equal = rn_are_clock_states_equal, .notify_wm_ranges = rn_notify_wm_ranges }; |