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drm/amd/display: Removed power down on boot from DCN31

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[Why]
Error message on Linux when booting.

[How]
Removed power down on boot from DCN31 HW init
to match DCN10 HW init.

Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Agustin Gutierrez Sanchez <agustin.gutierrez@amd.com>
Signed-off-by: Derek Lai <derek.lai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lai, Derek 2021-09-28 13:58:56 +08:00 committed by Alex Deucher
parent 94e587b8d1
commit 4a86858d39
1 changed files with 0 additions and 43 deletions
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43
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
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@ -73,7 +73,6 @@ void dcn31_init_hw(struct dc *dc)
struct resource_pool *res_pool = dc->res_pool;
uint32_t backlight = MAX_BACKLIGHT_LEVEL;
int i;
int edp_num;
if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
@ -209,48 +208,6 @@ void dcn31_init_hw(struct dc *dc)
!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
}
/* In headless boot cases, DIG may be turned
* on which causes HW/SW discrepancies.
* To avoid this, power down hardware on boot
* if DIG is turned on and seamless boot not enabled
*/
if (dc->config.power_down_display_on_boot) {
struct dc_link *edp_links[MAX_NUM_EDP];
struct dc_link *edp_link;
bool power_down = false;
get_edp_links(dc, edp_links, &edp_num);
if (edp_num) {
for (i = 0; i < edp_num; i++) {
edp_link = edp_links[i];
if (edp_link->link_enc->funcs->is_dig_enabled &&
edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
dc->hwss.edp_backlight_control &&
dc->hwss.power_down &&
dc->hwss.edp_power_control) {
dc->hwss.edp_backlight_control(edp_link, false);
dc->hwss.power_down(dc);
dc->hwss.edp_power_control(edp_link, false);
power_down = true;
}
}
}
if (!power_down) {
for (i = 0; i < dc->link_count; i++) {
struct dc_link *link = dc->links[i];
if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
link->link_enc->funcs->is_dig_enabled &&
link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
dc->hwss.power_down) {
dc->hwss.power_down(dc);
break;
}
}
}
}
for (i = 0; i < res_pool->audio_count; i++) {
struct audio *audio = res_pool->audios[i];