From: Daniel Vetter Date: Mon, 4 Aug 2014 09:17:25 +0000 (+0200) Subject: drm/i915: Tune down MCH_SSKPD values warning X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=df662a28c2c099a8ea1aa7cb4334d9df8aba6f95;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Tune down MCH_SSKPD values warning Users often can't do anything about this since their vendors stopped providing BIOS updates. Also we seem to be able to hack around it with increased latency values, and thus far the only reports have been for screens with really high resolutions. So tune it down to a level where only developers can see it. Also drop some of the end-user fluff. Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f81a8f433a5a..72948a05312c 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5230,11 +5230,9 @@ static void gen6_check_mch_setup(struct drm_device *dev) uint32_t tmp; tmp = I915_READ(MCH_SSKPD); - if ((tmp & MCH_SSKPD_WM0_MASK) != MCH_SSKPD_WM0_VAL) { - DRM_INFO("Wrong MCH_SSKPD value: 0x%08x\n", tmp); - DRM_INFO("This can cause pipe underruns and display issues.\n"); - DRM_INFO("Please upgrade your BIOS to fix this.\n"); - } + if ((tmp & MCH_SSKPD_WM0_MASK) != MCH_SSKPD_WM0_VAL) + DRM_DEBUG_KMS("Wrong MCH_SSKPD value: 0x%08x This can cause underruns.\n", + tmp); } static void gen6_init_clock_gating(struct drm_device *dev)