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authorDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>2022-11-07 18:05:59 -0800
committerDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>2022-11-14 10:11:47 -0800
commitb910f716f6ef78f0c06f6e53d0a48966366b11af (patch)
tree778146cc850d0c6534f55be55ba8d97a47118090
parentee71434eeb9c729c7e09911e1b69fc5baf498222 (diff)
drm/i915/guc: define media GT GuC send regs
The media GT shares the G-unit with the root GT, so a second set of communication registers is required for the media GuC. Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Alan Previn <alan.previn.teres.alexis@intel.com> Reviewed-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221108020600.3575467-6-daniele.ceraolospurio@intel.com
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc.c14
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h2
2 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 1bcd61bb50f8..13d49048c568 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -156,7 +156,8 @@ static void gen11_disable_guc_interrupts(struct intel_guc *guc)
void intel_guc_init_early(struct intel_guc *guc)
{
- struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
+ struct intel_gt *gt = guc_to_gt(guc);
+ struct drm_i915_private *i915 = gt->i915;
intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC);
intel_guc_ct_init_early(&guc->ct);
@@ -168,12 +169,17 @@ void intel_guc_init_early(struct intel_guc *guc)
mutex_init(&guc->send_mutex);
spin_lock_init(&guc->irq_lock);
if (GRAPHICS_VER(i915) >= 11) {
- guc->notify_reg = GEN11_GUC_HOST_INTERRUPT;
guc->interrupts.reset = gen11_reset_guc_interrupts;
guc->interrupts.enable = gen11_enable_guc_interrupts;
guc->interrupts.disable = gen11_disable_guc_interrupts;
- guc->send_regs.base =
- i915_mmio_reg_offset(GEN11_SOFT_SCRATCH(0));
+ if (gt->type == GT_MEDIA) {
+ guc->notify_reg = MEDIA_GUC_HOST_INTERRUPT;
+ guc->send_regs.base = i915_mmio_reg_offset(MEDIA_SOFT_SCRATCH(0));
+ } else {
+ guc->notify_reg = GEN11_GUC_HOST_INTERRUPT;
+ guc->send_regs.base = i915_mmio_reg_offset(GEN11_SOFT_SCRATCH(0));
+ }
+
guc->send_regs.count = GEN11_SOFT_SCRATCH_COUNT;
} else {
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 a7092f711e9c..9915de32e894 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
@@ -36,6 +36,7 @@
#define SOFT_SCRATCH_COUNT 16
#define GEN11_SOFT_SCRATCH(n) _MMIO(0x190240 + (n) * 4)
+#define MEDIA_SOFT_SCRATCH(n) _MMIO(0x190310 + (n) * 4)
#define GEN11_SOFT_SCRATCH_COUNT 4
#define UOS_RSA_SCRATCH(i) _MMIO(0xc200 + (i) * 4)
@@ -101,6 +102,7 @@
#define GUC_SEND_INTERRUPT _MMIO(0xc4c8)
#define GUC_SEND_TRIGGER (1<<0)
#define GEN11_GUC_HOST_INTERRUPT _MMIO(0x1901f0)
+#define MEDIA_GUC_HOST_INTERRUPT _MMIO(0x190304)
#define GEN12_GUC_SEM_INTR_ENABLES _MMIO(0xc71c)
#define GUC_SEM_INTR_ROUTE_TO_GUC BIT(31)