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Commit 80e7e385 authored by Tatenda Chipeperekwa's avatar Tatenda Chipeperekwa
Browse files

drm/msm/dp: update CP2520 pattern for electrical compliance 



Update the controller programming for the CP2520 pattern
for electrical compliance. This is required to ensure that
the controller sends the correct CP2520 pattern when it is
requested during testing.

Change-Id: I8a90ae66cf56983f9b0ec356907a30dbcd202ab7
Signed-off-by: default avatarTatenda Chipeperekwa <tatendac@codeaurora.org>
parent ade22fca

drivers/gpu/drm/msm/dp/dp_catalog.c

+8 −0
Original line number Diff line number Diff line
@@ -1397,6 +1397,10 @@ static void dp_catalog_ctrl_send_phy_pattern(struct dp_catalog_ctrl *ctrl, 
				DP_TEST_80BIT_CUSTOM_PATTERN_REG2, 0x0000F83E);

		break;

	case DP_TEST_PHY_PATTERN_CP2520_PATTERN_1:

		value = dp_read(catalog->exe_mode, io_data, DP_MAINLINK_CTRL);

		value &= ~BIT(4);

		dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL, value);



		value = BIT(16);

		dp_write(catalog->exe_mode, io_data,

				DP_HBR2_COMPLIANCE_SCRAMBLER_RESET, value);
@@ -1405,6 +1409,10 @@ static void dp_catalog_ctrl_send_phy_pattern(struct dp_catalog_ctrl *ctrl, 
				DP_HBR2_COMPLIANCE_SCRAMBLER_RESET, value);

		dp_write(catalog->exe_mode, io_data, DP_MAINLINK_LEVELS, 0x2);

		dp_write(catalog->exe_mode, io_data, DP_STATE_CTRL, 0x10);



		value = dp_read(catalog->exe_mode, io_data, DP_MAINLINK_CTRL);

		value |= BIT(0);

		dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL, value);

		break;

	case DP_TEST_PHY_PATTERN_CP2520_PATTERN_3:

		dp_write(catalog->exe_mode, io_data, DP_MAINLINK_CTRL, 0x11);