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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>
This commit is contained in:
Yongqiang Sun 2019-11-18 13:45:50 -05:00 committed by Alex Deucher
parent 772c0b59ad
commit 9285507461
1 changed files with 17 additions and 1 deletions
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18
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
View File

@ -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
};