diff options
| author | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2019-08-17 02:38:50 -0700 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-20 14:23:45 +0100 |
| commit | 6d26d9bbf59a01ac99488252356348ae066a2c38 (patch) | |
| tree | 862851e6b4bbd517026c04f32e17f7c8262171a0 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 487f471da34d2a29383e792ec512d0c4ab10da12 (diff) | |
drm/i915/tgl: add GEN12_MAX_CONTEXT_HW_ID
Like Gen11, Gen12 has 11 available bits for the ctx id field. However,
the last value (0x7FF) is reserved to indicate engine idle, so we
need to reduce the maximum number of contexts by 1 compared to Gen11.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190817093902.2171-29-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 63682cb3658a..c69a2f495f9d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1602,6 +1602,8 @@ struct drm_i915_private { #define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */ #define MAX_GUC_CONTEXT_HW_ID (1 << 20) /* exclusive */ #define GEN11_MAX_CONTEXT_HW_ID (1<<11) /* exclusive */ +/* in Gen12 ID 0x7FF is reserved to indicate idle */ +#define GEN12_MAX_CONTEXT_HW_ID (GEN11_MAX_CONTEXT_HW_ID - 1) struct list_head hw_id_list; } contexts; |