[Intel-gfx] [PATCH 1/2] drm/i915: Don't try to disable host RPS when this was never enabled.

[Rodrigo Vivi]

Specially in GT reset case this could be triggered and try
to disable things that had never been enabled. Let's add
some protection here.

Cc: Ashutosh Dixit <ashutosh.dixit at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_rps.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index 579ae9ac089c..6fadde4ee7bf 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -1551,6 +1551,9 @@ void intel_rps_disable(struct intel_rps *rps)
 {
 	struct drm_i915_private *i915 = rps_to_i915(rps);
 
+	if (!intel_rps_is_enabled(rps))
+		return;
+
 	intel_rps_clear_enabled(rps);
 	intel_rps_clear_interrupts(rps);
 	intel_rps_clear_timer(rps);
-- 
2.37.2