This is a note to let you know that I've just added the patch titled
drm/radeon/si: load special ucode for certain MC configs
to the 4.9-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-radeon-si-load-special-ucode-for-certain-mc-configs.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Jul 3 13:29:10 CEST 2017
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Tue, 20 Dec 2016 16:35:50 -0500
Subject: drm/radeon/si: load special ucode for certain MC configs
From: Alex Deucher <alexander.deucher@xxxxxxx>
[ Upstream commit ef736d394e85b1bf1fd65ba5e5257b85f6c82325 ]
Special MC ucode is required for these memory configurations.
Acked-by: Edward O'Callaghan <funfunctor@xxxxxxxxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/si.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -115,6 +115,8 @@ MODULE_FIRMWARE("radeon/hainan_rlc.bin")
MODULE_FIRMWARE("radeon/hainan_smc.bin");
MODULE_FIRMWARE("radeon/hainan_k_smc.bin");
+MODULE_FIRMWARE("radeon/si58_mc.bin");
+
static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh);
static void si_pcie_gen3_enable(struct radeon_device *rdev);
static void si_program_aspm(struct radeon_device *rdev);
@@ -1650,6 +1652,7 @@ static int si_init_microcode(struct rade
int err;
int new_fw = 0;
bool new_smc = false;
+ bool si58_fw = false;
DRM_DEBUG("\n");
@@ -1742,6 +1745,10 @@ static int si_init_microcode(struct rade
default: BUG();
}
+ /* this memory configuration requires special firmware */
+ if (((RREG32(MC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58)
+ si58_fw = true;
+
DRM_INFO("Loading %s Microcode\n", new_chip_name);
snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", new_chip_name);
@@ -1845,7 +1852,10 @@ static int si_init_microcode(struct rade
}
}
- snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", new_chip_name);
+ if (si58_fw)
+ snprintf(fw_name, sizeof(fw_name), "radeon/si58_mc.bin");
+ else
+ snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", new_chip_name);
err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
if (err) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-4.9/drm-amdgpu-add-support-for-new-hainan-variants.patch
queue-4.9/drm-amdgpu-fix-program-vce-instance-logic-error.patch
queue-4.9/drm-radeon-si-load-special-ucode-for-certain-mc-configs.patch
queue-4.9/drm-amdgpu-check-ring-being-ready-before-using.patch