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drm/i915/dp: Fix passing the correct DPCD_REV for drm_dp_set_phy_test_pattern

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[ Upstream commit 2bd7a06a1208aaacb4e7a2a5436c23bce8d70801 ]

Using link_status to get DPCD_REV fails when disabling/defaulting
phy pattern. Use intel_dp->dpcd to access DPCD_REV correctly.

Fixes: 8cdf727119 ("drm/i915/dp: Program vswing, pre-emphasis, test-pattern")
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213211542.3585105-3-khaled.almahallawy@intel.com
(cherry picked from commit 3ee302ec22d6e1d7d1e6d381b0d507ee80f2135c)
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Khaled Almahallawy 2023-12-13 13:15:42 -08:00 committed by Greg Kroah-Hartman
parent 6cf7235bc1
commit f3f6a23e05
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_dp.c
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@ -3707,7 +3707,7 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp,
intel_dp->train_set, crtc_state->lane_count);
drm_dp_set_phy_test_pattern(&intel_dp->aux, data,
link_status[DP_DPCD_REV]);
intel_dp->dpcd[DP_DPCD_REV]);
}
static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp)