This is a note to let you know that I've just added the patch titled
drm/amdgpu: add new MC firmware for Polaris12 32bit ASIC
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-add-new-mc-firmware-for-polaris12-32bit-asic.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c83c4e1912446db697a120eb30126cd80cbf6349 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@xxxxxxx>
Date: Wed, 28 Apr 2021 12:00:20 +0800
Subject: drm/amdgpu: add new MC firmware for Polaris12 32bit ASIC
From: Evan Quan <evan.quan@xxxxxxx>
commit c83c4e1912446db697a120eb30126cd80cbf6349 upstream.
Polaris12 32bit ASIC needs a special MC firmware.
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -59,6 +59,7 @@ MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
+MODULE_FIRMWARE("amdgpu/polaris12_32_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
@@ -243,10 +244,16 @@ static int gmc_v8_0_init_microcode(struc
chip_name = "polaris10";
break;
case CHIP_POLARIS12:
- if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision))
+ if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
chip_name = "polaris12_k";
- else
- chip_name = "polaris12";
+ } else {
+ WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159);
+ /* Polaris12 32bit ASIC needs a special MC firmware */
+ if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40)
+ chip_name = "polaris12_32";
+ else
+ chip_name = "polaris12";
+ }
break;
case CHIP_FIJI:
case CHIP_CARRIZO:
Patches currently in stable-queue which might be from evan.quan@xxxxxxx are
queue-5.11/drm-amdgpu-add-new-mc-firmware-for-polaris12-32bit-asic.patch
