From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 23 Jun 2025 11:43:45 +0000 (+0300)
Subject: drm/i915/pcode: add struct drm_device based interface
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=747b57e7b6925e0515af6706ac9d3d2bada57432;p=thirdparty%2Fkernel%2Flinux.git

drm/i915/pcode: add struct drm_device based interface

In preparation for dropping the dependency on struct intel_uncore from
display code, add a struct drm_device based interface to pcode.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/e4ee176ca5454cfc636cbe71feb9f55d9e91f4ea.1750678991.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

diff --git a/drivers/gpu/drm/i915/intel_pcode.c b/drivers/gpu/drm/i915/intel_pcode.c
index b7e9b4ee1425b..81da75108c603 100644
--- a/drivers/gpu/drm/i915/intel_pcode.c
+++ b/drivers/gpu/drm/i915/intel_pcode.c
@@ -272,3 +272,27 @@ int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u3
 
 	return err;
 }
+
+/* Helpers with drm device */
+int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+
+	return snb_pcode_read(&i915->uncore, mbox, val, val1);
+}
+
+int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+
+	return snb_pcode_write_timeout(&i915->uncore, mbox, val, timeout_ms);
+}
+
+int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
+			u32 reply_mask, u32 reply, int timeout_base_ms)
+{
+	struct drm_i915_private *i915 = to_i915(drm);
+
+	return skl_pcode_request(&i915->uncore, mbox, request, reply_mask, reply,
+				 timeout_base_ms);
+}
diff --git a/drivers/gpu/drm/i915/intel_pcode.h b/drivers/gpu/drm/i915/intel_pcode.h
index 401ce27f72d49..c91a821a88d4a 100644
--- a/drivers/gpu/drm/i915/intel_pcode.h
+++ b/drivers/gpu/drm/i915/intel_pcode.h
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 
+struct drm_device;
 struct intel_uncore;
 
 int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1);
@@ -26,4 +27,13 @@ int intel_pcode_init(struct intel_uncore *uncore);
 int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val);
 int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val);
 
+/* Helpers with drm device */
+int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1);
+int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms);
+#define intel_pcode_write(drm, mbox, val) \
+	intel_pcode_write_timeout((drm), (mbox), (val), 1)
+
+int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request,
+			u32 reply_mask, u32 reply, int timeout_base_ms);
+
 #endif /* _INTEL_PCODE_H */