From patchwork Sat Dec 17 00:18:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: drm/i915: disable RC6p on Sandy Bridge From: Sasa Dragic X-Patchwork-Id: 515313 Message-Id: To: intel-gfx-trybot@lists.freedesktop.org Date: Sat, 17 Dec 2022 01:18:17 +0100 RC6p on Sandy Bridge got re-enabled over time, causing visual glitches and GPU crashes. Disabled originally in commit 1c8ecf80fdee ("drm/i915: do not enable RC6p on Sandy Bridge"). Signed-off-by: Sasa Dragic --- drivers/gpu/drm/i915/i915_pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 3f803c1280c0..fcd9a04e33ff 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -423,7 +423,8 @@ static const struct intel_device_info ilk_m_info = { .has_coherent_ggtt = true, \ .has_llc = 1, \ .has_rc6 = 1, \ - .has_rc6p = 1, \ + /* sna does support rc6p, but enabling it causes various issues */ \ + .has_rc6p = 0, \ .has_rps = true, \ .dma_mask_size = 40, \ .__runtime.ppgtt_type = INTEL_PPGTT_ALIASING, \