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drm/i915/dp: Drop redundant debug print

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drm_dp_dpcd_read/write already has debug error message.
Drop redundant error messages which gives false
status even if correct value is read in drm_dp_dpcd_read().

v2: -Added fixes tag (Ankit)
v3: -Fixed build error (CI)

Fixes: 9488a030ac ("drm/i915: Add support for enabling link status and recovery")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.12+
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210812131107.5531-1-swati2.sharma@intel.com
(cherry picked from commit b6dfa41617)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Swati Sharma 2021-08-12 18:41:07 +05:30 committed by Rodrigo Vivi
parent a63bcf08f0
commit 71de496cc4
1 changed files with 2 additions and 7 deletions
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9
drivers/gpu/drm/i915/display/intel_dp.c
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@ -3850,23 +3850,18 @@ static void intel_dp_check_device_service_irq(struct intel_dp *intel_dp)
static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 val;
if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
return;
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) {
drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n");
DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val)
return;
}
if (drm_dp_dpcd_writeb(&intel_dp->aux,
DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) {
drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n");
DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1)
return;
}
if (val & HDMI_LINK_STATUS_CHANGED)
intel_dp_handle_hdmi_link_status_change(intel_dp);