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drm/i915/guc: Early initialization of GuC send registers

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Base offset and count of the GuC scratch registers, used for
sending MMIO messages to GuC, can be initialized earlier with
other GuC members that also depends on platform.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603051630.2635-20-matthew.brost@intel.com
This commit is contained in:
Michal Wajdeczko 2021-06-02 22:16:29 -07:00 committed by Daniel Vetter
parent 8d99e09c5d
commit e09be87af5
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/i915/gt/uc/intel_guc.c
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@ -60,15 +60,8 @@ void intel_guc_init_send_regs(struct intel_guc *guc)
enum forcewake_domains fw_domains = 0;
unsigned int i;
if (INTEL_GEN(gt->i915) >= 11) {
guc->send_regs.base =
i915_mmio_reg_offset(GEN11_SOFT_SCRATCH(0));
guc->send_regs.count = GEN11_SOFT_SCRATCH_COUNT;
} else {
guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
guc->send_regs.count = GUC_MAX_MMIO_MSG_LEN;
BUILD_BUG_ON(GUC_MAX_MMIO_MSG_LEN > SOFT_SCRATCH_COUNT);
}
GEM_BUG_ON(!guc->send_regs.base);
GEM_BUG_ON(!guc->send_regs.count);
for (i = 0; i < guc->send_regs.count; i++) {
fw_domains |= intel_uncore_forcewake_for_reg(gt->uncore,
@ -172,11 +165,18 @@ void intel_guc_init_early(struct intel_guc *guc)
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));
guc->send_regs.count = GEN11_SOFT_SCRATCH_COUNT;
} else {
guc->notify_reg = GUC_SEND_INTERRUPT;
guc->interrupts.reset = gen9_reset_guc_interrupts;
guc->interrupts.enable = gen9_enable_guc_interrupts;
guc->interrupts.disable = gen9_disable_guc_interrupts;
guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
guc->send_regs.count = GUC_MAX_MMIO_MSG_LEN;
BUILD_BUG_ON(GUC_MAX_MMIO_MSG_LEN > SOFT_SCRATCH_COUNT);
}
}