Re: [PATCH v2 1/1] drm/amdgpu: detach ring priority from gfx priority

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Am 26.08.21 um 12:08 schrieb Nirmoy Das:
Currently AMDGPU_RING_PRIO_MAX is redefinition of a
max gfx hwip priority, this won't work well when we will
have a hwip with different set of priorities than gfx.
Also, HW ring priorities are different from ring priorities.

Create a global enum for ring priority levels which each
HWIP can use to define its own priority levels.

Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h  | 5 ++---
  drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 9 +++++++--
  2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index d43fe2ed8116..7f747a4291f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -43,9 +43,8 @@
  #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES

  enum gfx_pipe_priority {

While at it can you add an amdgpu_ prefix before the enum name?

And if the enum isn't really used maybe even replace the enum with defines?

Thanks,
Christian.

-	AMDGPU_GFX_PIPE_PRIO_NORMAL = 1,
-	AMDGPU_GFX_PIPE_PRIO_HIGH,
-	AMDGPU_GFX_PIPE_PRIO_MAX
+	AMDGPU_GFX_PIPE_PRIO_NORMAL = AMDGPU_RING_PRIO_1,
+	AMDGPU_GFX_PIPE_PRIO_HIGH = AMDGPU_RING_PRIO_2
  };

  /* Argument for PPSMC_MSG_GpuChangeState */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index e713d31619fe..88d80eb3fea1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -36,8 +36,13 @@
  #define AMDGPU_MAX_VCE_RINGS		3
  #define AMDGPU_MAX_UVD_ENC_RINGS	2

-#define AMDGPU_RING_PRIO_DEFAULT	1
-#define AMDGPU_RING_PRIO_MAX		AMDGPU_GFX_PIPE_PRIO_MAX
+enum amdgpu_ring_priority_level {
+	AMDGPU_RING_PRIO_0,
+	AMDGPU_RING_PRIO_1,
+	AMDGPU_RING_PRIO_DEFAULT = 1,
+	AMDGPU_RING_PRIO_2,
+	AMDGPU_RING_PRIO_MAX
+};

  /* some special values for the owner field */
  #define AMDGPU_FENCE_OWNER_UNDEFINED	((void *)0ul)
--
2.32.0





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