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authorMichel Thierry <michel.thierry@intel.com>2019-08-23 01:20:33 -0700
committerLucas De Marchi <lucas.demarchi@intel.com>2019-08-23 10:07:35 -0700
commitb3c0692f36a44bd02ee8ccc5bed972a36fbf2e99 (patch)
tree370046d49ee321de613d3559296114f2d5e00aca /drivers/gpu
parentdrm/i915/dp: Fix DSC enable code to use cpu_transcoder instead of encoder->type (diff)
downloadlinux-dev-b3c0692f36a44bd02ee8ccc5bed972a36fbf2e99.tar.xz
linux-dev-b3c0692f36a44bd02ee8ccc5bed972a36fbf2e99.zip
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
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h3
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c8
2 files changed, 10 insertions, 1 deletions
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..1949346e714e 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
@@ -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)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 0b81e0b64393..2a425db1cfd8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -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)