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authorDave Airlie <airlied@redhat.com>2022-10-28 12:57:18 +1000
committerDave Airlie <airlied@redhat.com>2022-10-28 12:57:19 +1000
commit9520b1d09ecea64c5ed9b90d6f01e10fb3f3ccdd (patch)
tree7704f6cd28794e172f09289e6f9ab83b070ccecb
parent200ec44ab7f9499a1f703aea0d7ba7d33e012d2f (diff)
parent63720a561b3c98199adf0c73e152807f15cc3b7f (diff)
Merge tag 'drm-intel-fixes-2022-10-27-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Extend Wa_1607297627 to Alderlake-P (José Roberto de Souza) - Keep PCI autosuspend control 'on' by default on all dGPU (Anshuman Gupta) - Reset frl trained flag before restarting FRL training (Ankit Nautiyal) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y1o+teE2Z11pT1MN@tursulin-desk
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c2
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c4
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c11
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c9be61d2348e..47419d162f30 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3957,6 +3957,8 @@ intel_dp_handle_hdmi_link_status_change(struct intel_dp *intel_dp)
drm_dp_pcon_hdmi_frl_link_error_count(&intel_dp->aux, &intel_dp->attached_connector->base);
+ intel_dp->frl.is_trained = false;
+
/* Restart FRL training or fall back to TMDS mode */
intel_dp_check_frl_training(intel_dp);
}
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 6d2003d598e6..a821e3d405db 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -2293,11 +2293,11 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
}
if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
- IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
+ IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915) || IS_ALDERLAKE_P(i915)) {
/*
* Wa_1607030317:tgl
* Wa_1607186500:tgl
- * Wa_1607297627:tgl,rkl,dg1[a0]
+ * Wa_1607297627:tgl,rkl,dg1[a0],adlp
*
* On TGL and RKL there are multiple entries for this WA in the
* BSpec; some indicate this is an A0-only WA, others indicate
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 6ed5786bcd29..744cca507946 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -591,8 +591,15 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
pm_runtime_use_autosuspend(kdev);
}
- /* Enable by default */
- pm_runtime_allow(kdev);
+ /*
+ * FIXME: Temp hammer to keep autosupend disable on lmem supported platforms.
+ * As per PCIe specs 5.3.1.4.1, all iomem read write request over a PCIe
+ * function will be unsupported in case PCIe endpoint function is in D3.
+ * Let's keep i915 autosuspend control 'on' till we fix all known issue
+ * with lmem access in D3.
+ */
+ if (!IS_DGFX(i915))
+ pm_runtime_allow(kdev);
/*
* The core calls the driver load handler with an RPM reference held.