diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0911-drm-amdgpu-powerplay-check-MC-firmware-for-FFC-suppo.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0911-drm-amdgpu-powerplay-check-MC-firmware-for-FFC-suppo.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0911-drm-amdgpu-powerplay-check-MC-firmware-for-FFC-suppo.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0911-drm-amdgpu-powerplay-check-MC-firmware-for-FFC-suppo.patch new file mode 100644 index 00000000..602747fe --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0911-drm-amdgpu-powerplay-check-MC-firmware-for-FFC-suppo.patch @@ -0,0 +1,40 @@ +From 048a5b8c614e7ac812f792957b41bc6acf659a1f Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 29 Nov 2018 19:35:14 -0500 +Subject: [PATCH 0911/2940] drm/amdgpu/powerplay: check MC firmware for FFC + support + +Check if the MC firmware supports FFC and tell the SMC so +mclk switching is handled properly. + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +index 8e44ad3a1d92..d91390459326 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +@@ -4226,9 +4226,17 @@ static int smu7_check_mc_firmware(struct pp_hwmgr *hwmgr) + if (tmp & (1 << 23)) { + data->mem_latency_high = MEM_LATENCY_HIGH; + data->mem_latency_low = MEM_LATENCY_LOW; ++ if ((hwmgr->chip_id == CHIP_POLARIS10) || ++ (hwmgr->chip_id == CHIP_POLARIS11) || ++ (hwmgr->chip_id == CHIP_POLARIS12)) ++ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableFFC); + } else { + data->mem_latency_high = 330; + data->mem_latency_low = 330; ++ if ((hwmgr->chip_id == CHIP_POLARIS10) || ++ (hwmgr->chip_id == CHIP_POLARIS11) || ++ (hwmgr->chip_id == CHIP_POLARIS12)) ++ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableFFC); + } + + return 0; +-- +2.17.1 + |