diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5423-drm-amd-pp-Honour-DC-s-clock-limits-on-Rv.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5423-drm-amd-pp-Honour-DC-s-clock-limits-on-Rv.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5423-drm-amd-pp-Honour-DC-s-clock-limits-on-Rv.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5423-drm-amd-pp-Honour-DC-s-clock-limits-on-Rv.patch new file mode 100644 index 00000000..183875bb --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5423-drm-amd-pp-Honour-DC-s-clock-limits-on-Rv.patch @@ -0,0 +1,94 @@ +From f3c2df479495db2268c0713ed0237108f162c364 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 18 Sep 2018 18:07:54 +0800 +Subject: [PATCH 5423/5725] drm/amd/pp: Honour DC's clock limits on Rv + +Honour display's request for min engine clock/memory clock. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 25 +++++++++++++++-------- + 1 file changed, 17 insertions(+), 8 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +index 1e800c1..7a42959 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +@@ -552,6 +552,8 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + { + struct smu10_hwmgr *data = hwmgr->backend; + struct amdgpu_device *adev = hwmgr->adev; ++ uint32_t min_sclk = hwmgr->display_config->min_core_set_clock; ++ uint32_t min_mclk = hwmgr->display_config->min_mem_set_clock/100; + + if (hwmgr->smu_version < 0x1E3700) { + pr_info("smu firmware version too old, can not set dpm level\n"); +@@ -563,6 +565,13 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + (adev->rev_id >= 8)) + return 0; + ++ if (min_sclk < data->gfx_min_freq_limit) ++ min_sclk = data->gfx_min_freq_limit; ++ ++ min_sclk /= 100; /* transfer 10KHz to MHz */ ++ if (min_mclk < data->clock_table.FClocks[0].Freq) ++ min_mclk = data->clock_table.FClocks[0].Freq; ++ + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: +@@ -595,18 +604,18 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK: + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinGfxClk, +- data->gfx_min_freq_limit/100); ++ min_sclk); + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetSoftMaxGfxClk, +- data->gfx_min_freq_limit/100); ++ min_sclk); + break; + case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK: + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinFclkByFreq, +- SMU10_UMD_PSTATE_MIN_FCLK); ++ min_mclk); + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetSoftMaxFclkByFreq, +- SMU10_UMD_PSTATE_MIN_FCLK); ++ min_mclk); + break; + case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD: + smum_send_msg_to_smc_with_parameter(hwmgr, +@@ -638,12 +647,12 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + case AMD_DPM_FORCED_LEVEL_AUTO: + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinGfxClk, +- data->gfx_min_freq_limit/100); ++ min_sclk); + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinFclkByFreq, + hwmgr->display_config->num_display > 3 ? + SMU10_UMD_PSTATE_PEAK_FCLK : +- SMU10_UMD_PSTATE_MIN_FCLK); ++ min_mclk); + + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinSocclkByFreq, +@@ -674,10 +683,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + data->gfx_min_freq_limit/100); + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinFclkByFreq, +- SMU10_UMD_PSTATE_MIN_FCLK); ++ min_mclk); + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetSoftMaxFclkByFreq, +- SMU10_UMD_PSTATE_MIN_FCLK); ++ min_mclk); + break; + case AMD_DPM_FORCED_LEVEL_MANUAL: + case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT: +-- +2.7.4 + |