[PATCH] drm/amd/amdgpu: Add APU flag and asic_type to gca_config debugfs data

Tom St Denis tom.stdenis at amd.com
Tue Feb 15 15:28:59 UTC 2022


Needed by umr to detect if ip discovered ASIC is an APU or not.

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 4b950de9bf66..3b2341610c16 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -728,7 +728,7 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
 		return -ENOMEM;
 
 	/* version, increment each time something is added */
-	config[no_regs++] = 3;
+	config[no_regs++] = 4;
 	config[no_regs++] = adev->gfx.config.max_shader_engines;
 	config[no_regs++] = adev->gfx.config.max_tile_pipes;
 	config[no_regs++] = adev->gfx.config.max_cu_per_sh;
@@ -768,6 +768,11 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
 	config[no_regs++] = adev->pdev->subsystem_device;
 	config[no_regs++] = adev->pdev->subsystem_vendor;
 
+	/* rev==4 asic_type and APU flag */
+	config[no_regs++] = adev->flags & 0xFF;
+	config[no_regs++] = (adev->flags >> 8) & 0xFF;
+	config[no_regs++] = adev->flags & AMD_IS_APU ? 1 : 0;
+
 	while (size && (*pos < no_regs * 4)) {
 		uint32_t value;
 
-- 
2.32.0



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