Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/xe/reg_sr: Use scope-based forcewake
Use scope-based forcewake to slightly simplify the reg_sr code.
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20251118164338.3572146-48-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
+5
-12
+5
-12
drivers/gpu/drm/xe/xe_reg_sr.c
+5
-12
drivers/gpu/drm/xe/xe_reg_sr.c
···
168
168
{
169
169
struct xe_reg_sr_entry *entry;
170
170
unsigned long reg;
171
-
unsigned int fw_ref;
172
171
173
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if (xa_empty(&sr->xa))
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173
return;
···
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xe_gt_dbg(gt, "Applying %s save-restore MMIOs\n", sr->name);
179
180
180
-
fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
181
-
if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
182
-
goto err_force_wake;
181
+
CLASS(xe_force_wake, fw_ref)(gt_to_fw(gt), XE_FORCEWAKE_ALL);
182
+
if (!xe_force_wake_ref_has_domain(fw_ref.domains, XE_FORCEWAKE_ALL)) {
183
+
xe_gt_err(gt, "Failed to apply, err=-ETIMEDOUT\n");
184
+
return;
185
+
}
183
186
184
187
xa_for_each(&sr->xa, reg, entry)
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188
apply_one_mmio(gt, entry);
186
-
187
-
xe_force_wake_put(gt_to_fw(gt), fw_ref);
188
-
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-
return;
190
-
191
-
err_force_wake:
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-
xe_force_wake_put(gt_to_fw(gt), fw_ref);
193
-
xe_gt_err(gt, "Failed to apply, err=-ETIMEDOUT\n");
194
189
}
195
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191
/**