revert "drm/amd/display: Add condition to sync eDP SW status and HW status"

[Why]
This change causes regression for S4 resume where gamma is not
programmed. The change incorrectly updates the requested dpms_off
state.

This reverts commit d2b1d6bbc56afab8ebae9d52d7ca0ea3569bd600.

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 93 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
index d8275ceb20c1..fce46ab54c54 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
@@ -87,96 +87,3 @@ uint32_t bios_get_vga_enabled_displays(
 	return active_disp;
 }
 
-bool bios_is_active_display(
-		struct dc_bios *bios,
-		enum signal_type signal,
-		const struct connector_device_tag_info *device_tag)
-{
-	uint32_t active = 0;
-	uint32_t connected = 0;
-	uint32_t bios_scratch_0 = 0;
-	uint32_t bios_scratch_3 = 0;
-
-	switch (signal)	{
-	case SIGNAL_TYPE_DVI_SINGLE_LINK:
-	case SIGNAL_TYPE_DVI_DUAL_LINK:
-	case SIGNAL_TYPE_HDMI_TYPE_A:
-	case SIGNAL_TYPE_DISPLAY_PORT:
-	case SIGNAL_TYPE_DISPLAY_PORT_MST:
-		{
-			if (device_tag->dev_id.device_type == DEVICE_TYPE_DFP) {
-				switch (device_tag->dev_id.enum_id)	{
-				case 1:
-					{
-						active    = ATOM_S3_DFP1_ACTIVE;
-						connected = 0x0008;	//ATOM_DISPLAY_DFP1_CONNECT
-					}
-					break;
-
-				case 2:
-					{
-						active    = ATOM_S3_DFP2_ACTIVE;
-						connected = 0x0080; //ATOM_DISPLAY_DFP2_CONNECT
-					}
-					break;
-
-				case 3:
-					{
-						active    = ATOM_S3_DFP3_ACTIVE;
-						connected = 0x0200; //ATOM_DISPLAY_DFP3_CONNECT
-					}
-					break;
-
-				case 4:
-					{
-						active    = ATOM_S3_DFP4_ACTIVE;
-						connected = 0x0400;	//ATOM_DISPLAY_DFP4_CONNECT
-					}
-					break;
-
-				case 5:
-					{
-						active    = ATOM_S3_DFP5_ACTIVE;
-						connected = 0x0800; //ATOM_DISPLAY_DFP5_CONNECT
-					}
-					break;
-
-				case 6:
-					{
-						active    = ATOM_S3_DFP6_ACTIVE;
-						connected = 0x0040; //ATOM_DISPLAY_DFP6_CONNECT
-					}
-					break;
-
-				default:
-					break;
-				}
-				}
-			}
-			break;
-
-	case SIGNAL_TYPE_LVDS:
-	case SIGNAL_TYPE_EDP:
-		{
-			active    = ATOM_S3_LCD1_ACTIVE;
-			connected = 0x0002;	//ATOM_DISPLAY_LCD1_CONNECT
-		}
-		break;
-
-	default:
-		break;
-	}
-
-
-	if (bios->regs->BIOS_SCRATCH_0) /*follow up with other asic, todo*/
-		bios_scratch_0 = REG_READ(BIOS_SCRATCH_0);
-	if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/
-		bios_scratch_3 = REG_READ(BIOS_SCRATCH_3);
-
-	bios_scratch_3 &= ATOM_S3_DEVICE_ACTIVE_MASK;
-	if ((active & bios_scratch_3) && (connected & bios_scratch_0))
-		return true;
-
-	return false;
-}
-