From 83d2957ecf65df21a197ea0b20b89d54d9aaece5 Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Tue, 15 Feb 2022 09:59:07 -0500
Subject: drm/amd/amdgpu: Add APU flag to gca_config debugfs data (v3)
Git-commit: 8f74f68d907d2a41be211e61aaa7c9268f5532e1
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Needed by umr to detect if ip discovered ASIC is an APU or not.
(v2): Remove asic type from packet it's not strictly needed
(v3): Correct comment
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 5 ++++-
1 file changed, 4 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..db8a8710333e 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 +768,9 @@ 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 APU flag */
+ config[no_regs++] = adev->flags & AMD_IS_APU ? 1 : 0;
+
while (size && (*pos < no_regs * 4)) {
uint32_t value;
--
2.38.1