From 585b1d60a93ae27a4a4675bb497e605742995145 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 28 May 2020 17:12:53 -0400
Subject: drm/amdgpu: use IP discovery table for renoir
Git-commit: c1cf79ca5ced46ea6a7843cbe98836e4d51c6c52
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Rather than relying on gpu info firmware.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/soc15.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index c7c9e07962b9..623745b2d8b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -670,14 +670,25 @@ static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
int soc15_set_ip_blocks(struct amdgpu_device *adev)
{
+ int r;
+
/* Set IP register base before any HW register access */
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_RAVEN:
- case CHIP_RENOIR:
vega10_reg_base_init(adev);
break;
+ case CHIP_RENOIR:
+ if (amdgpu_discovery) {
+ r = amdgpu_discovery_reg_base_init(adev);
+ if (r) {
+ DRM_WARN("failed to init reg base from ip discovery table, "
+ "fallback to legacy init method\n");
+ vega10_reg_base_init(adev);
+ }
+ }
+ break;
case CHIP_VEGA20:
vega20_reg_base_init(adev);
break;
--
2.29.2