Commit d9465cc8 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/xe/pcode: add struct drm_device based interface 



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: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/eeaa9cc8438caab2e22f9cb2142fbc18cc0fd861.1750678991.git.jani.nikula@intel.com


Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 747b57e7

drivers/gpu/drm/xe/xe_pcode.c

+26 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/gpu/drm/xe/xe_pcode.h

+11 −1
Original line number Diff line number Diff line
@@ -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