[PATCH] drm/i915/tgl: Disable RPS once more

[Chris Wilson]

Our attempts at setting up RPS have zero impact on its configuration and
it will never generate interrupts as the EI are not running.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Cc: Jon Ewins <jon.ewins at intel.com>
Cc: Francesco Balestrieri <francesco.balestrieri at intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_rps.c | 3 +++
 drivers/gpu/drm/i915/i915_pci.c     | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index 4dcfae16a7ce..57d8ab7d3a66 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -1198,6 +1198,9 @@ void intel_rps_enable(struct intel_rps *rps)
 	struct drm_i915_private *i915 = rps_to_i915(rps);
 	struct intel_uncore *uncore = rps_to_uncore(rps);
 
+	if (!HAS_RPS(i915))
+		return;
+
 	intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL);
 	if (IS_CHERRYVIEW(i915))
 		rps->enabled = chv_rps_enable(rps);
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 66738f2c4f28..56f51a859737 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -847,6 +847,7 @@ static const struct intel_device_info tgl_info = {
 	.display.has_modular_fia = 1,
 	.engine_mask =
 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
+	.has_rps = false, /* EI setup needs copious debug */
 };
 
 #define GEN12_DGFX_FEATURES \
-- 
2.20.1