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drm/xe/xe2: Modify main memory to ccs memory ratio.

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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: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Himal Prasad Ghimiray 2023-12-12 23:55:25 +05:30 committed by Rodrigo Vivi
parent 4cb12b7192
commit 064686272b
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/xe/regs/xe_gpu_commands.h
View file

@ -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)

2
drivers/gpu/drm/xe/xe_device.c
View file

@ -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)