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drm/amd/display: Optimize OLED T7 delay

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[Why]
Driver doesn't need T7 delay for OLED panels, since it doesn't control
power sequence.

[How]
This delay can be skipped to optimize resume times.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Swapnil Patel <swapnil.patel@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Agustin Gutierrez 2023-09-07 01:57:59 -04:00 committed by Alex Deucher
parent c99b161280
commit 5710c6c0bd
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -1041,7 +1041,8 @@ void dce110_edp_backlight_control(
link_transmitter_control(ctx->dc_bios, &cntl);
if (enable && link->dpcd_sink_ext_caps.bits.oled) {
if (enable && link->dpcd_sink_ext_caps.bits.oled &&
!link->dc->config.edp_no_power_sequencing) {
post_T7_delay += link->panel_config.pps.extra_post_t7_ms;
msleep(post_T7_delay);
}