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drm/i915/pcode: add struct drm_device based interface

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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>
This commit is contained in:
Jani Nikula
2025-06-23 14:43:45 +03:00
parent ab3ef56f58
commit 747b57e7b6
2 changed files with 34 additions and 0 deletions
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24
drivers/gpu/drm/i915/intel_pcode.c
View File

@@ -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);
}

10
drivers/gpu/drm/i915/intel_pcode.h
View File

@@ -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 */