diff options
| author | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2019-10-30 18:30:39 -0700 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-31 16:47:22 +0000 |
| commit | 9f37940756b1b7f56bcfb53de17b78f55fb18e48 (patch) | |
| tree | b307ec931b8c90789e44bd4120670758b538201d /drivers/gpu/drm/i915/gt/intel_lrc.h | |
| parent | dde01d943559f6b853d97a2744433d9ad1b12ace (diff) | |
drm/i915: drop lrc header page
Recent GuC binaries (including all the ones we're currently using)
don't require this shared area anymore, having moved the relevant
entries into the stage pool instead. i915 itself doesn't write
anything into it either, so we can safely drop it.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031013040.25803-1-daniele.ceraolospurio@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_lrc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.h | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h index faa2d56c279b..04511d8ebdc1 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.h +++ b/drivers/gpu/drm/i915/gt/intel_lrc.h @@ -86,31 +86,12 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine); int intel_execlists_submission_init(struct intel_engine_cs *engine); /* Logical Ring Contexts */ - -/* - * We allocate a header at the start of the context image for our own - * use, therefore the actual location of the logical state is offset - * from the start of the VMA. The layout is - * - * | [guc] | [hwsp] [logical state] | - * |<- our header ->|<- context image ->| - * - */ -/* The first page is used for sharing data with the GuC */ -#define LRC_GUCSHR_PN (0) -#define LRC_GUCSHR_SZ (1) /* At the start of the context image is its per-process HWS page */ -#define LRC_PPHWSP_PN (LRC_GUCSHR_PN + LRC_GUCSHR_SZ) +#define LRC_PPHWSP_PN (0) #define LRC_PPHWSP_SZ (1) -/* Finally we have the logical state for the context */ +/* After the PPHWSP we have the logical state for the context */ #define LRC_STATE_PN (LRC_PPHWSP_PN + LRC_PPHWSP_SZ) -/* - * Currently we include the PPHWSP in __intel_engine_context_size() so - * the size of the header is synonymous with the start of the PPHWSP. - */ -#define LRC_HEADER_PAGES LRC_PPHWSP_PN - /* Space within PPHWSP reserved to be used as scratch */ #define LRC_PPHWSP_SCRATCH 0x34 #define LRC_PPHWSP_SCRATCH_ADDR (LRC_PPHWSP_SCRATCH * sizeof(u32)) |