On Thu, 12 Aug 2021, Swati Sharma swati2.sharma@intel.com wrote:
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().
I guess the only problem is it gets harder to associate the preceding low level error messages with intel_dp_check_link_service_irq(). *shrug*
Reviewed-by: Jani Nikula jani.nikula@intel.com
Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery") Cc: Swati Sharma swati2.sharma@intel.com Cc: Ankit Nautiyal ankit.k.nautiyal@intel.com Cc: Uma Shankar uma.shankar@intel.com (v2) Cc: Jani Nikula jani.nikula@intel.com Cc: "Ville Syrj_l_" ville.syrjala@linux.intel.com Cc: Imre Deak imre.deak@intel.com Cc: Manasi Navare manasi.d.navare@intel.com Cc: Uma Shankar uma.shankar@intel.com Cc: "Jos_ Roberto de Souza" jose.souza@intel.com Cc: Sean Paul seanpaul@chromium.org Cc: stable@vger.kernel.org # v5.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.... Signed-off-by: Swati Sharma swati2.sharma@intel.com
drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c386ef8eb200..5c84f51ad41d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp) 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)
- }
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)
- }
if (val & HDMI_LINK_STATUS_CHANGED) intel_dp_handle_hdmi_link_status_change(intel_dp);