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authorLai, Derek <[email protected]>2021-09-28 13:58:56 +0800
committerAlex Deucher <[email protected]>2021-10-19 17:18:31 -0400
commit4a86858d3993b64bc435434855cca57a67866fed (patch)
tree617b36fff9d47744f85cbadb2b6f40a755980572
parent94e587b8d1bbfb9fbce5b158c2b63d1af6a73af1 (diff)
drm/amd/display: Removed power down on boot from DCN31
[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 <[email protected]> Acked-by: Agustin Gutierrez Sanchez <[email protected]> Signed-off-by: Derek Lai <[email protected]> Tested-by: Daniel Wheeler <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
index 968b8825dec7..52947c03be31 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
@@ -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];