From b99f514f5dfa38e04ef0b628d82a97772945cae7 Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Thu, 19 Apr 2018 12:12:37 +0800 Subject: [PATCH] drm/i915/gvt: Remove disable_warn_untrack and print untracked mmio with debug level The disable_warn_untrack never prevent gvt from printing untracked mmio errors. We were disturbed by this error storm and the fix is just adding them to the list with no essential new change. This message is only useful for enabling new platform during developing process. So lower the message level to debug and then remove disable_warn_untrack. Signed-off-by: Changbin Du Signed-off-by: Zhenyu Wang --- drivers/gpu/drm/i915/gvt/gvt.h | 1 - drivers/gpu/drm/i915/gvt/handlers.c | 11 +++-------- drivers/gpu/drm/i915/gvt/mmio.c | 2 -- 3 files changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 6ec888822a0f..05d15a095310 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -99,7 +99,6 @@ struct intel_vgpu_fence { struct intel_vgpu_mmio { void *vreg; void *sreg; - bool disable_warn_untrack; }; #define INTEL_GVT_MAX_BAR_NUM 4 diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index a33c1c3e4a21..26c924bd7b21 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -191,6 +191,8 @@ static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu, unsigned int max_fence = vgpu_fence_sz(vgpu); if (fence_num >= max_fence) { + gvt_vgpu_err("access oob fence reg %d/%d\n", + fence_num, max_fence); /* When guest access oob fence regs without access * pv_info first, we treat guest not supporting GVT, @@ -200,11 +202,6 @@ static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu, enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); - if (!vgpu->mmio.disable_warn_untrack) { - gvt_vgpu_err("found oob fence register access\n"); - gvt_vgpu_err("total fence %d, access fence %d\n", - max_fence, fence_num); - } memset(p_data, 0, bytes); return -EINVAL; } @@ -3092,9 +3089,7 @@ int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset, */ mmio_info = find_mmio_info(gvt, offset); if (!mmio_info) { - if (!vgpu->mmio.disable_warn_untrack) - gvt_vgpu_err("untracked MMIO %08x len %d\n", - offset, bytes); + gvt_dbg_mmio("untracked MMIO %08x len %d\n", offset, bytes); goto default_rw; } diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c index 11b71b33f1c0..e4960aff68bd 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.c +++ b/drivers/gpu/drm/i915/gvt/mmio.c @@ -244,8 +244,6 @@ void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr) /* set the bit 0:2(Core C-State ) to C0 */ vgpu_vreg_t(vgpu, GEN6_GT_CORE_STATUS) = 0; - - vgpu->mmio.disable_warn_untrack = false; } else { #define GVT_GEN8_MMIO_RESET_OFFSET (0x44200) /* only reset the engine related, so starting with 0x44200 -- 2.11.0