Commit 06468627 authored by Himal Prasad Ghimiray's avatar Himal Prasad Ghimiray Committed by Rodrigo Vivi
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drm/xe/xe2: Modify main memory to ccs memory ratio. 



On xe2 platforms each byte of CCS data now represents 512 bytes of
main memory data.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: default avatarHimal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: default avatarThomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 4cb12b71

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

+1 −1
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 
#define   XY_CTRL_SURF_MOCS_MASK	GENMASK(31, 26)

#define   XE2_XY_CTRL_SURF_MOCS_INDEX_MASK	GENMASK(31, 28)

#define   NUM_CCS_BYTES_PER_BLOCK	256

#define   NUM_BYTES_PER_CCS_BYTE	256

#define   NUM_BYTES_PER_CCS_BYTE(_xe)	(GRAPHICS_VER(_xe) >= 20 ? 512 : 256)

#define   NUM_CCS_BLKS_PER_XFER		1024



#define XY_FAST_COLOR_BLT_CMD		(2 << 29 | 0x44 << 22)

drivers/gpu/drm/xe/xe_device.c

+1 −1
Original line number Diff line number Diff line
@@ -615,7 +615,7 @@ void xe_device_wmb(struct xe_device *xe) 
u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size)

{

	return xe_device_has_flat_ccs(xe) ?

		DIV_ROUND_UP(size, NUM_BYTES_PER_CCS_BYTE) : 0;

		DIV_ROUND_UP(size, NUM_BYTES_PER_CCS_BYTE(xe)) : 0;

}



bool xe_device_mem_access_ongoing(struct xe_device *xe)