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drm/i915/guc: Refactoring preparation of the GUC_CTL_CTXINFO parameter

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At the moment, the preparation of GUC_CTL_CTXINFO is disordered.
Lets move all  GUC_CTL_CTXINFO related operations to one place.

v2:
- move 'ctxnum' and 'base' declarations to USES_GUC_SUBMISSION case
(Michał Wajdeczko)

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180604141947.8299-5-piotr.piorkowski@intel.com
This commit is contained in:
Piotr Piorkowski 2018-06-04 16:19:45 +02:00 committed by Chris Wilson
parent 532717b90b
commit 741cebee0a
1 changed files with 18 additions and 10 deletions
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28
drivers/gpu/drm/i915/intel_guc.c
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@ -241,6 +241,23 @@ static u32 guc_ctl_feature_flags(struct intel_guc *guc)
return flags;
}
static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
{
u32 flags = 0;
if (USES_GUC_SUBMISSION(guc_to_i915(guc))) {
u32 ctxnum, base;
base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
base >>= PAGE_SHIFT;
flags |= (base << GUC_CTL_BASE_ADDR_SHIFT) |
(ctxnum << GUC_CTL_CTXNUM_IN16_SHIFT);
}
return flags;
}
static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
{
u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
@ -282,16 +299,7 @@ void intel_guc_init_params(struct intel_guc *guc)
params[GUC_CTL_FEATURE] = guc_ctl_feature_flags(guc);
params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
params[GUC_CTL_DEBUG] = guc_ctl_debug_flags(guc);
/* If GuC submission is enabled, set up additional parameters here */
if (USES_GUC_SUBMISSION(dev_priv)) {
u32 pgs = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
u32 ctx_in_16 = GUC_MAX_STAGE_DESCRIPTORS / 16;
pgs >>= PAGE_SHIFT;
params[GUC_CTL_CTXINFO] = (pgs << GUC_CTL_BASE_ADDR_SHIFT) |
(ctx_in_16 << GUC_CTL_CTXNUM_IN16_SHIFT);
}
params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
/*
* All SOFT_SCRATCH registers are in FORCEWAKE_BLITTER domain and