The cache line offset for the Indirect CS context (0x21C8) varies from gen
to gen.
v2: Move it into a function (Arun), use MISSING_CASE (Chris)
Cc: Arun Siluvery <arun.siluv...@linux.intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Signed-off-by: Michel Thierry <michel.thie...@intel.com>
---
drivers/gpu/drm/i915/intel_lrc.c | 26 ++++++++++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 5c0bf02..b1f2886 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -226,7 +226,8 @@ enum {
FAULT_AND_CONTINUE /* Unsupported */
};
#define GEN8_CTX_ID_SHIFT 32
-#define CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x17
+#define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x17
+#define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x26
static int intel_lr_context_pin(struct drm_i915_gem_request *rq);
static void lrc_setup_hardware_status_page(struct intel_engine_cs *ring,
@@ -2264,6 +2265,27 @@ make_rpcs(struct drm_device *dev)
return rpcs;
}
+static u32 intel_lr_indirect_ctx_offset(struct intel_engine_cs *ring)
+{
+ u32 indirect_ctx_offset;
+
+ switch (INTEL_INFO(ring->dev)->gen) {
+ default:
+ MISSING_CASE(INTEL_INFO(ring->dev)->gen);
+ /* fall through */
+ case 9:
+ indirect_ctx_offset =
+ GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ break;
+ case 8:
+ indirect_ctx_offset =
+ GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ break;
+ }
+
+ return indirect_ctx_offset;
+}
+
static int
populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object
*ctx_obj,
struct intel_engine_cs *ring, struct intel_ringbuffer
*ringbuf)
@@ -2336,7 +2358,7 @@ populate_lr_context(struct intel_context *ctx, struct
drm_i915_gem_object *ctx_o
(wa_ctx->indirect_ctx.size / CACHELINE_DWORDS);
reg_state[CTX_RCS_INDIRECT_CTX_OFFSET+1] =
- CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT << 6;
+ intel_lr_indirect_ctx_offset(ring) << 6;
reg_state[CTX_BB_PER_CTX_PTR+1] =
(ggtt_offset + wa_ctx->per_ctx.offset *
sizeof(uint32_t)) |
--
2.7.1
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