diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2333-amd-powerplay-fix-the-issue-of-uclk-dpm.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2333-amd-powerplay-fix-the-issue-of-uclk-dpm.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2333-amd-powerplay-fix-the-issue-of-uclk-dpm.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2333-amd-powerplay-fix-the-issue-of-uclk-dpm.patch new file mode 100644 index 00000000..f439cc65 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2333-amd-powerplay-fix-the-issue-of-uclk-dpm.patch @@ -0,0 +1,43 @@ +From d2eff063b70b179f2c0f8917a126554f26f36dc0 Mon Sep 17 00:00:00 2001 +From: Kenneth Feng <kenneth.feng@amd.com> +Date: Wed, 29 May 2019 23:20:24 -0500 +Subject: [PATCH 2333/2940] amd/powerplay: fix the issue of uclk dpm + +PPSMC_MSG_SetUclkFastSwitch message can be applied on vega20, +but can't on navi10. This is the prerequisite of uclk dpm on +navi10. + +Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +index 564b61af6c30..5d2e82ef250d 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +@@ -327,7 +327,6 @@ static int smu_v11_0_setup_pptable(struct smu_context *smu) + hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data; + version_major = le16_to_cpu(hdr->header.header_version_major); + version_minor = le16_to_cpu(hdr->header.header_version_minor); +- + if (version_major == 2 && smu->smu_table.boot_values.pp_table_id > 0) { + switch (version_minor) { + case 0: +@@ -900,8 +899,9 @@ static int smu_v11_0_notify_display_change(struct smu_context *smu) + + if (!smu->pm_enabled) + return ret; +- if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) +- ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetUclkFastSwitch, 1); ++ if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT) && ++ smu->adev->gmc.vram_type == AMDGPU_VRAM_TYPE_HBM) ++ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetUclkFastSwitch, 1); + + return ret; + } +-- +2.17.1 + |