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drm/amd/display: Remove the check to see if pp_display_cfg is changed

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[Why]
When going to full-screen mode commit_planes_for_stream tries to decrease
dcf_deep_sleep value, but safe_to_lower is false, so we don't send the new value
to SMU but dc context gets updated.
Later when dc_post_update_surfaces_to_stream tries to lower dcf_ds when
safe_to_lower is true, this check prevents the message from being sent.

[How]
Remove the check that compares new value with what is stored in dc_context.
This check is not necessary as dcn1_update_clocks already checks if the value
is different from the current dcf_dp value.

Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@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:
Fatemeh Darbehani 2018-10-19 10:12:56 -04:00 committed by Alex Deucher
parent 5e2b2fbc4d
commit ff83a9a0d1
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c
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@ -57,8 +57,7 @@ void dcn1_pplib_apply_display_requirements(
pp_display_cfg->disp_clk_khz = dc->res_pool->clk_mgr->clks.dispclk_khz;
dce110_fill_display_configs(context, pp_display_cfg);
if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0)
dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg);
dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg);
}
static int dcn1_determine_dppclk_threshold(struct clk_mgr *clk_mgr, struct dc_clocks *new_clocks)