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authorMichal Wajdeczko <michal.wajdeczko@intel.com>2021-06-02 22:16:29 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2021-06-04 10:42:25 +0200
commite09be87af54f703a67f6b573f6a12b8349c5c8f5 (patch)
tree2a0bfc32cf72328aa5a2ab5d046f564437a66200 /drivers/gpu/drm/i915/gt/uc/intel_guc.c
parent8d99e09c5d1c20a3763e84d5f09619fa33e33186 (diff)
downloadlinux-e09be87af54f703a67f6b573f6a12b8349c5c8f5.tar.bz2
drm/i915/guc: Early initialization of GuC send registers
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
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc.c')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 18da9ed15728..fcfa4fd93841 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -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);
}
}