On Sat, Aug 17, 2019 at 02:38:53AM -0700, Lucas De Marchi wrote:
From: Michel Thierry <[email protected]>
GAM registers located in the 0x4xxx range have been relocated to 0xCxxx;
this is to make space for global MOCS registers.
HSD: 399379
Cc: Daniele Ceraolo Spurio <[email protected]>
Signed-off-by: Michel Thierry <[email protected]>
Signed-off-by: Lucas De Marchi <[email protected]>
I ended up removing the first "d" in the commit message. I will fix it
up when submitting again. Other than that, matches spec.
Reviewed-by: Lucas De Marchi <[email protected]>
Lucas De Marchi
---
drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h | 1 +
drivers/gpu/drm/i915/i915_gem_gtt.c | 7 ++++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
index edf194d23c6b..7719fadfe785 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
@@ -81,6 +81,7 @@
#define GT_DOORBELL_ENABLE (1<<0)
#define GEN8_GTCR _MMIO(0x4274)
+#define GEN12_GTCR _MMIO(0xcee8)
#define GEN8_GTCR_INVALIDATE (1<<0)
#define GUC_ARAT_C6DIS _MMIO(0xA178)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 6f6f0687d0bb..5cb9860cb02e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -131,9 +131,14 @@ static void gen6_ggtt_invalidate(struct i915_ggtt *ggtt)
static void guc_ggtt_invalidate(struct i915_ggtt *ggtt)
{
struct intel_uncore *uncore = ggtt->vm.gt->uncore;
+ struct drm_i915_private *i915 = ggtt->vm.i915;
gen6_ggtt_invalidate(ggtt);
- intel_uncore_write_fw(uncore, GEN8_GTCR, GEN8_GTCR_INVALIDATE);
+
+ if (INTEL_GEN(i915) >= 12)
+ intel_uncore_write_fw(uncore, GEN12_GTCR, GEN8_GTCR_INVALIDATE);
+ else
+ intel_uncore_write_fw(uncore, GEN8_GTCR, GEN8_GTCR_INVALIDATE);
}
static void gmch_ggtt_invalidate(struct i915_ggtt *ggtt)
--
2.21.0
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