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| author | Imre Deak <imre.deak@intel.com> | 2026-02-25 19:46:08 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2026-03-03 18:49:06 +0300 |
| commit | fbb003f8f722a0c7c8f409973d59dfcc8a54578c (patch) | |
| tree | c4f3820463602b5b129e33d6178b9a1601a34940 | |
| parent | e0f252bb36dea780971af4736622d2c7be60d122 (diff) | |
| download | linux-fbb003f8f722a0c7c8f409973d59dfcc8a54578c.tar.xz | |
drm/i915/dp: Fix the link service IRQ DPCD_REV check
The DP_LINK_SERVICE_IRQ_VECTOR_ESI0 DPCD register is supported only
since DPCD REV 1.2, so fix the revision check accordingly.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260225164618.1261368-11-imre.deak@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f04f15e15849..d63c3d69e9fc 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5812,7 +5812,7 @@ static bool intel_dp_check_link_service_irq(struct intel_dp *intel_dp) bool reprobe_needed = false; u8 val; - if (intel_dp->dpcd[DP_DPCD_REV] < 0x11) + if (intel_dp->dpcd[DP_DPCD_REV] < DP_DPCD_REV_12) return false; if (drm_dp_dpcd_readb(&intel_dp->aux, |