drm/xe/oa: OA stream initialization (OAG)

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Implement majority of OA stream initialization (as part of OA stream open)
ioctl). OAG buffer is allocated for receiving perf counter samples from
HW. OAG unit is initialized and the selected OA metric configuration is
programmed into OAG unit HW using a command/batch buffer.

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240618014609.3233427-8-ashutosh.dixit@intel.com

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Ashutosh Dixit 2024-06-17 18:45:59 -07:00

parent b6fd51c621

commit 1db9a9dc90

3 changed files with 475 additions and 0 deletions

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3

drivers/gpu/drm/xe/regs/xe_gt_regs.h

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393

drivers/gpu/drm/xe/xe_oa.c

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79

drivers/gpu/drm/xe/xe_oa_types.h

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