From 1790625b1deaafb564def63a3a070602656134a1 Mon Sep 17 00:00:00 2001
From: Michal Wajdeczko <michal.wajdeczko@intel.com>
Date: Fri, 8 Sep 2017 16:11:30 +0000
Subject: [PATCH] drm/i915: Make PAT macros more robust
Git-commit: 1790625b1deaafb564def63a3a070602656134a1
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900
Macro params shall be wrapped into () to avoid unexpected results.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170908161130.22424-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_gem_gtt.h | 2 +-
drivers/gpu/drm/i915/i915_reg.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -132,7 +132,7 @@ typedef u64 gen8_ppgtt_pml4e_t;
#define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */
#define CHV_PPAT_SNOOP (1<<6)
-#define GEN8_PPAT_AGE(x) (x<<4)
+#define GEN8_PPAT_AGE(x) ((x)<<4)
#define GEN8_PPAT_LLCeLLC (3<<2)
#define GEN8_PPAT_LLCELLC (2<<2)
#define GEN8_PPAT_LLC (1<<2)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2336,7 +2336,7 @@ enum i915_power_well_id {
#define DONE_REG _MMIO(0x40b0)
#define GEN8_PRIVATE_PAT_LO _MMIO(0x40e0)
#define GEN8_PRIVATE_PAT_HI _MMIO(0x40e0 + 4)
-#define GEN10_PAT_INDEX(index) _MMIO(0x40e0 + index*4)
+#define GEN10_PAT_INDEX(index) _MMIO(0x40e0 + (index)*4)
#define BSD_HWS_PGA_GEN7 _MMIO(0x04180)
#define BLT_HWS_PGA_GEN7 _MMIO(0x04280)
#define VEBOX_HWS_PGA_GEN7 _MMIO(0x04380)