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drm/i915/tgl: Move GTCR register to cope with GAM MMIO address remap 

GAM registers located in the 0x4xxx range have been relocated to 0xCxxx;
this is to make space for global MOCS registers.

v2: Rename register and bitfield to its new name (suggested by Mika)

HSD: 399379
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823082055.5992-2-lucas.demarchi@intel.com
This commit is contained in:
Michel Thierry 2019-08-23 01:20:33 -07:00 committed by Lucas De Marchi
parent d4c61c4a16
commit b3c0692f36
2 changed files with 10 additions and 1 deletions
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3
drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
View File

@ -83,6 +83,9 @@
#define GEN8_GTCR _MMIO(0x4274)
#define GEN8_GTCR_INVALIDATE (1<<0)
#define GEN12_GUC_TLB_INV_CR _MMIO(0xcee8)
#define GEN12_GUC_TLB_INV_CR_INVALIDATE (1 << 0)
#define GUC_ARAT_C6DIS _MMIO(0xA178)
#define GUC_SHIM_CONTROL _MMIO(0xc064)

8
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -132,9 +132,15 @@ 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_GUC_TLB_INV_CR,
GEN12_GUC_TLB_INV_CR_INVALIDATE);
else
intel_uncore_write_fw(uncore, GEN8_GTCR, GEN8_GTCR_INVALIDATE);
}
static void gmch_ggtt_invalidate(struct i915_ggtt *ggtt)