From: Jordan Justen <jordan.l.justen@intel.com>
Date: Fri, 2 Oct 2015 06:09:58 +0000 (-0700)
Subject: drm/i915: Add GEN7_GPGPU_DISPATCHDIMX/Y/Z to the register whitelist
X-Git-Tag: firefly_0821_release~176^2~721^2~21^2~38
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7b9748cb513a6bef4af87b79f0da3ff7e8b56cd8;p=firefly-linux-kernel-4.4.55.git
drm/i915: Add GEN7_GPGPU_DISPATCHDIMX/Y/Z to the register whitelist
This is required to support glDispatchComputeIndirect for gen7.
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 09932cab1a3f..db58c8d664c2 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -448,6 +448,9 @@ static const struct drm_i915_reg_descriptor gen7_render_regs[] = {
REG32(GEN7_3DPRIM_INSTANCE_COUNT),
REG32(GEN7_3DPRIM_START_INSTANCE),
REG32(GEN7_3DPRIM_BASE_VERTEX),
+ REG32(GEN7_GPGPU_DISPATCHDIMX),
+ REG32(GEN7_GPGPU_DISPATCHDIMY),
+ REG32(GEN7_GPGPU_DISPATCHDIMZ),
REG64(GEN7_SO_NUM_PRIMS_WRITTEN(0)),
REG64(GEN7_SO_NUM_PRIMS_WRITTEN(1)),
REG64(GEN7_SO_NUM_PRIMS_WRITTEN(2)),
@@ -1214,6 +1217,7 @@ int i915_cmd_parser_get_version(void)
* MI_PREDICATE_SRC1 registers.
* 3. Allow access to the GPGPU_THREADS_DISPATCHED register.
* 4. L3 atomic chicken bits of HSW_SCRATCH1 and HSW_ROW_CHICKEN3.
+ * 5. GPGPU dispatch compute indirect registers.
*/
- return 4;
+ return 5;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8d7be66d96bc..07588b63d434 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -536,6 +536,10 @@
#define GEN7_3DPRIM_START_INSTANCE 0x243C
#define GEN7_3DPRIM_BASE_VERTEX 0x2440
+#define GEN7_GPGPU_DISPATCHDIMX 0x2500
+#define GEN7_GPGPU_DISPATCHDIMY 0x2504
+#define GEN7_GPGPU_DISPATCHDIMZ 0x2508
+
#define OACONTROL 0x2360
#define _GEN7_PIPEA_DE_LOAD_SL 0x70068