From: Ben Widawsky <benjamin.widaw...@intel.com>
This is just a cosmetic change to try to put do_switch_rcs on a diet. As
it stands, the function was quite complex, and error prone.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_gem_context.c | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
b/drivers/gpu/drm/i915/i915_gem_context.c
index a1dc885..9ab3dad 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -643,6 +643,24 @@ static int do_switch_xcs(struct intel_engine_cs *ring,
return 0;
}
+static void remap_l3(struct intel_engine_cs *ring,
+ struct intel_context *ctx)
+{
+ int ret, i;
+
+ for (i = 0; i < MAX_L3_SLICES; i++) {
+ if (!(ctx->remap_slice & (1<<i)))
+ continue;
+
+ ret = i915_gem_l3_remap(ring, i);
+ /* If it failed, try again next round */
+ if (ret)
+ DRM_DEBUG_DRIVER("L3 remapping failed\n");
+ else
+ ctx->remap_slice &= ~(1<<i);
+ }
+}
+
static int do_switch_rcs(struct intel_engine_cs *ring,
struct intel_context *from,
struct intel_context *to)
@@ -651,7 +669,7 @@ static int do_switch_rcs(struct intel_engine_cs *ring,
struct i915_hw_ppgtt *ppgtt = ctx_to_ppgtt(to);
u32 hw_flags = 0;
bool uninitialized = false;
- int ret, i;
+ int ret;
if (from != NULL) {
BUG_ON(from->legacy_hw_ctx.rcs_state == NULL);
@@ -702,17 +720,7 @@ static int do_switch_rcs(struct intel_engine_cs *ring,
if (ret)
goto unpin_out;
- for (i = 0; i < MAX_L3_SLICES; i++) {
- if (!(to->remap_slice & (1<<i)))
- continue;
-
- ret = i915_gem_l3_remap(ring, i);
- /* If it failed, try again next round */
- if (ret)
- DRM_DEBUG_DRIVER("L3 remapping failed\n");
- else
- to->remap_slice &= ~(1<<i);
- }
+ remap_l3(ring, to);
/* The backing object for the context is done after switching to the
* *next* context. Therefore we cannot retire the previous context until
--
1.9.0
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