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drm/xe/pcode: add struct drm_device based interface

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

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/eeaa9cc8438caab2e22f9cb2142fbc18cc0fd861.1750678991.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2025-06-23 14:43:46 +03:00
parent 747b57e7b6
commit d9465cc8ac
2 changed files with 37 additions and 1 deletions
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26
drivers/gpu/drm/xe/xe_pcode.c
View File

@ -336,3 +336,29 @@ int xe_pcode_probe_early(struct xe_device *xe)
return xe_pcode_ready(xe, false);
}
ALLOW_ERROR_INJECTION(xe_pcode_probe_early, ERRNO); /* See xe_pci_probe */
/* Helpers with drm device */
int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1)
{
struct xe_device *xe = to_xe_device(drm);
struct xe_tile *tile = xe_device_get_root_tile(xe);
return xe_pcode_read(tile, mbox, val, val1);
}
int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms)
{
struct xe_device *xe = to_xe_device(drm);
struct xe_tile *tile = xe_device_get_root_tile(xe);
return xe_pcode_write_timeout(tile, 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 xe_device *xe = to_xe_device(drm);
struct xe_tile *tile = xe_device_get_root_tile(xe);
return xe_pcode_request(tile, mbox, request, reply_mask, reply, timeout_base_ms);
}

12
drivers/gpu/drm/xe/xe_pcode.h
View File

@ -7,8 +7,10 @@
#define _XE_PCODE_H_
#include <linux/types.h>
struct xe_tile;
struct drm_device;
struct xe_device;
struct xe_tile;
void xe_pcode_init(struct xe_tile *tile);
int xe_pcode_probe_early(struct xe_device *xe);
@ -32,4 +34,12 @@ int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request,
| FIELD_PREP(PCODE_MB_PARAM1, param1)\
| FIELD_PREP(PCODE_MB_PARAM2, param2))
/* 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