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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3516-drm-amd-powerplay-udpate-smu_v12_0_check_fw_version-.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3516-drm-amd-powerplay-udpate-smu_v12_0_check_fw_version-.patch91
1 files changed, 91 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3516-drm-amd-powerplay-udpate-smu_v12_0_check_fw_version-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3516-drm-amd-powerplay-udpate-smu_v12_0_check_fw_version-.patch
new file mode 100644
index 00000000..cdcdd3e8
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3516-drm-amd-powerplay-udpate-smu_v12_0_check_fw_version-.patch
@@ -0,0 +1,91 @@
+From c8dbc592cd404620b4abfd8fdb8afb68a834e353 Mon Sep 17 00:00:00 2001
+From: Aaron Liu <aaron.liu@amd.com>
+Date: Tue, 23 Jul 2019 10:39:38 +0800
+Subject: [PATCH 3516/4256] drm/amd/powerplay: udpate
+ smu_v12_0_check_fw_version (v2)
+
+This interface support SMU_MSG_GetDriverIfVersion
+and SMU_MSG_GetSmuVersion checking.
+
+v2: squash in driver_if changes (Alex)
+
+Signed-off-by: Aaron Liu <aaron.liu@amd.com>
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+Reviewed-by: Evan Quan <evan.quan@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 2 ++
+ drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 35 +++++++++++++++-------
+ 2 files changed, 27 insertions(+), 10 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+index dd270600962b..af8bb1cc5d9a 100644
+--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
++++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+@@ -25,6 +25,7 @@
+ #include "amdgpu_smu.h"
+ #include "soc15_common.h"
+ #include "smu_v12_0_ppsmc.h"
++#include "smu12_driver_if.h"
+ #include "renoir_ppt.h"
+
+
+@@ -118,4 +119,5 @@ static const struct pptable_funcs renoir_ppt_funcs = {
+ void renoir_set_ppt_funcs(struct smu_context *smu)
+ {
+ smu->ppt_funcs = &renoir_ppt_funcs;
++ smu->smc_if_version = SMU12_DRIVER_IF_VERSION;
+ }
+diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+index 583fe7da4a4b..695b9af8662b 100644
+--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
++++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+@@ -144,20 +144,35 @@ static int smu_v12_0_check_fw_status(struct smu_context *smu)
+
+ static int smu_v12_0_check_fw_version(struct smu_context *smu)
+ {
+- uint32_t smc_if_version = 0xff;
++ uint32_t if_version = 0xff, smu_version = 0xff;
++ uint16_t smu_major;
++ uint8_t smu_minor, smu_debug;
+ int ret = 0;
+
+- ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
++ ret = smu_get_smc_version(smu, &if_version, &smu_version);
+ if (ret)
+- goto err;
+-
+- ret = smu_read_smc_arg(smu, &smc_if_version);
+- if (ret)
+- goto err;
++ return ret;
++
++ smu_major = (smu_version >> 16) & 0xffff;
++ smu_minor = (smu_version >> 8) & 0xff;
++ smu_debug = (smu_version >> 0) & 0xff;
++
++ /*
++ * 1. if_version mismatch is not critical as our fw is designed
++ * to be backward compatible.
++ * 2. New fw usually brings some optimizations. But that's visible
++ * only on the paired driver.
++ * Considering above, we just leave user a warning message instead
++ * of halt driver loading.
++ */
++ if (if_version != smu->smc_if_version) {
++ pr_info("smu driver if version = 0x%08x, smu fw if version = 0x%08x, "
++ "smu fw version = 0x%08x (%d.%d.%d)\n",
++ smu->smc_if_version, if_version,
++ smu_version, smu_major, smu_minor, smu_debug);
++ pr_warn("SMU driver if version not matched\n");
++ }
+
+- if (smc_if_version != smu->smc_if_version)
+- ret = -EINVAL;
+-err:
+ return ret;
+ }
+
+--
+2.17.1
+