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drm/amdgpu: Enhance Cleaner Shader Handling in GFX v9.0 Architecture v2

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This commit modifies the gfx_v9_0_ring_emit_cleaner_shader function
to use a switch statement for cleaner shader emission based on the
specific GFX IP version.

The function now distinguishes between different IP versions, using
PACKET3_RUN_CLEANER_SHADER_9_0 for the versions 9.0.1, 9.1.0,
9.2.1, 9.2.2, 9.3.0, and 9.4.0, while retaining
PACKET3_RUN_CLEANER_SHADER for version 9.4.2.

v2: Simplify logic (Alex).

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Srinivasan Shanmugam
2025-04-11 21:32:08 +05:30
committed by Alex Deucher
parent 8896abcfdd
commit 083a0c8d17
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@@ -7387,8 +7387,14 @@ static void gfx_v9_ip_dump(struct amdgpu_ip_block *ip_block)
static void gfx_v9_0_ring_emit_cleaner_shader(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
/* Emit the cleaner shader */
amdgpu_ring_write(ring, PACKET3(PACKET3_RUN_CLEANER_SHADER, 0));
if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2))
amdgpu_ring_write(ring, PACKET3(PACKET3_RUN_CLEANER_SHADER, 0));
else
amdgpu_ring_write(ring, PACKET3(PACKET3_RUN_CLEANER_SHADER_9_0, 0));
amdgpu_ring_write(ring, 0); /* RESERVED field, programmed to zero */
}