| Message ID | 1451996493-16079-1-git-send-email-david.s.gordon@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Jan 05, 2016 at 12:21:33PM +0000, Dave Gordon wrote: > This function was recently renamed & exposed, so now it gets documented > > Signed-off-by: Dave Gordon <david.s.gordon@intel.com> Queued for -next, thanks for the patch. -Daniel > --- > drivers/gpu/drm/i915/intel_lrc.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c > index 8da67b3..3662d14 100644 > --- a/drivers/gpu/drm/i915/intel_lrc.c > +++ b/drivers/gpu/drm/i915/intel_lrc.c > @@ -2386,6 +2386,20 @@ void intel_lr_context_free(struct intel_context *ctx) > } > } > > +/** > + * intel_lr_context_size() - return the size of the context for an engine > + * @ring: which engine to find the context size for > + * > + * Each engine may require a different amount of space for a context image, > + * so when allocating (or copying) an image, this function can be used to > + * find the right size for the specific engine. > + * > + * Return: size (in bytes) of an engine-specific context image > + * > + * Note: this size includes the HWSP, which is part of the context image > + * in LRC mode, but does not include the "shared data page" used with > + * GuC submission. The caller should account for this if using the GuC. > + */ > uint32_t intel_lr_context_size(struct intel_engine_cs *ring) > { > int ret = 0; > -- > 1.9.1 >
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 8da67b3..3662d14 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2386,6 +2386,20 @@ void intel_lr_context_free(struct intel_context *ctx) } } +/** + * intel_lr_context_size() - return the size of the context for an engine + * @ring: which engine to find the context size for + * + * Each engine may require a different amount of space for a context image, + * so when allocating (or copying) an image, this function can be used to + * find the right size for the specific engine. + * + * Return: size (in bytes) of an engine-specific context image + * + * Note: this size includes the HWSP, which is part of the context image + * in LRC mode, but does not include the "shared data page" used with + * GuC submission. The caller should account for this if using the GuC. + */ uint32_t intel_lr_context_size(struct intel_engine_cs *ring) { int ret = 0;
This function was recently renamed & exposed, so now it gets documented Signed-off-by: Dave Gordon <david.s.gordon@intel.com> --- drivers/gpu/drm/i915/intel_lrc.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)