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<p class="MsoNormal">Hi Rex,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Yes, per discussed, we may need another patch to consider how to set the PHM_PlatformCaps_UMDPState flag.<o:p></o:p></p>
<p class="MsoNormal">But for now, I will keep the patch as it is.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Evan<o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> Zhu, Rex <br>
<b>Sent:</b> Tuesday, June 19, 2018 11:43 PM<br>
<b>To:</b> Quan, Evan <Evan.Quan@amd.com>; Alex Deucher <alexdeucher@gmail.com><br>
<b>Cc:</b> amd-gfx list <amd-gfx@lists.freedesktop.org><br>
<b>Subject:</b> Re: [PATCH 10/13] drm/amd/powerplay: apply clocks adjust rules on power state change<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Arial",sans-serif;color:black">Hi Evan,<o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Arial",sans-serif;color:black">did we need to check the following flags on vega12</span><span lang="ZH-CN" style="font-family:"΢ÈíÑźÚ",sans-serif;color:black">£¿</span><span style="font-family:"Arial",sans-serif;color:black">will
driver set those flags when user select the umd_pstate?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Arial",sans-serif;color:black">PHM_PlatformCaps_UMDPState/PHM_PlatformCaps_PState.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">Best Regards<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Arial",sans-serif;color:black">Rex<br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ZH-CN" style="font-family:"΢ÈíÑźÚ",sans-serif;color:black">»ñÈ¡</span><span lang="ZH-CN" style="font-family:"Arial",sans-serif;color:black">
</span><span style="font-family:"Arial",sans-serif;color:black"><a href="https://aka.ms/ghei36">Outlook for Android</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> amd-gfx <<a href="mailto:amd-gfx-bounces@lists.freedesktop.org">amd-gfx-bounces@lists.freedesktop.org</a>> on behalf of Alex Deucher <<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com</a>><br>
<b>Sent:</b> Tuesday, June 19, 2018 11:16:44 PM<br>
<b>To:</b> Quan, Evan<br>
<b>Cc:</b> amd-gfx list<br>
<b>Subject:</b> Re: [PATCH 10/13] drm/amd/powerplay: apply clocks adjust rules on power state change</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Tue, Jun 19, 2018 at 3:39 AM, Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>> wrote:<br>
> The clocks hard/soft min/max clock levels will be adjusted<br>
> correspondingly.<br>
<br>
<br>
Also note that this add the apply_clocks_adjust_rules callback which<br>
is used to validate the clock settings on a power state change. One<br>
other comment below.<br>
<br>
><br>
> Change-Id: I2c4b6cd6756d40a28933f0c26b9e1a3d5078bab8<br>
> Signed-off-by: Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>><br>
> ---<br>
> drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 162 +++++++++++++++++++++<br>
> drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h | 2 +<br>
> 2 files changed, 164 insertions(+)<br>
><br>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c<br>
> index a227ace..26bdfff 100644<br>
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c<br>
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c<br>
> @@ -1950,6 +1950,166 @@ static int vega12_print_clock_levels(struct pp_hwmgr *hwmgr,<br>
> return size;<br>
> }<br>
><br>
> +static int vega12_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr)<br>
> +{<br>
> + struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);<br>
> + struct vega12_single_dpm_table *dpm_table;<br>
> + bool vblank_too_short = false;<br>
> + bool disable_mclk_switching;<br>
> + uint32_t i, latency;<br>
> +<br>
> + disable_mclk_switching = ((1 < hwmgr->display_config->num_display) &&<br>
> + !hwmgr->display_config->multi_monitor_in_sync) ||<br>
> + vblank_too_short;<br>
> + latency = hwmgr->display_config->dce_tolerable_mclk_in_active_latency;<br>
> +<br>
> + /* gfxclk */<br>
> + dpm_table = &(data->dpm_table.gfx_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_GFXCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_GFXCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_GFXCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[0].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + /* memclk */<br>
> + dpm_table = &(data->dpm_table.mem_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_MCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_MCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_MCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[0].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + /* honour DAL's UCLK Hardmin */<br>
> + if (dpm_table->dpm_state.hard_min_level < (hwmgr->display_config->min_mem_set_clock / 100))<br>
> + dpm_table->dpm_state.hard_min_level = hwmgr->display_config->min_mem_set_clock / 100;<br>
> +<br>
<br>
Didn't you just remove the uclk hard min setting in a previous patch?<br>
<br>
<br>
<br>
> + /* Hardmin is dependent on displayconfig */<br>
> + if (disable_mclk_switching) {<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + for (i = 0; i < data->mclk_latency_table.count - 1; i++) {<br>
> + if (data->mclk_latency_table.entries[i].latency <= latency) {<br>
> + if (dpm_table->dpm_levels[i].value >= (hwmgr->display_config->min_mem_set_clock / 100)) {<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[i].value;<br>
> + break;<br>
> + }<br>
> + }<br>
> + }<br>
> + }<br>
> +<br>
> + if (hwmgr->display_config->nb_pstate_switch_disable)<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + /* vclk */<br>
> + dpm_table = &(data->dpm_table.vclk_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_UVDCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + /* dclk */<br>
> + dpm_table = &(data->dpm_table.dclk_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_UVDCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_UVDCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + /* socclk */<br>
> + dpm_table = &(data->dpm_table.soc_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_SOCCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_SOCCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_SOCCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + /* eclk */<br>
> + dpm_table = &(data->dpm_table.eclk_table);<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[0].value;<br>
> + dpm_table->dpm_state.hard_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> +<br>
> + if (PP_CAP(PHM_PlatformCaps_UMDPState)) {<br>
> + if (VEGA12_UMD_PSTATE_VCEMCLK_LEVEL < dpm_table->count) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_VCEMCLK_LEVEL].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[VEGA12_UMD_PSTATE_VCEMCLK_LEVEL].value;<br>
> + }<br>
> +<br>
> + if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {<br>
> + dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + dpm_table->dpm_state.soft_max_level = dpm_table->dpm_levels[dpm_table->count - 1].value;<br>
> + }<br>
> + }<br>
> +<br>
> + return 0;<br>
> +}<br>
> +<br>
> static int vega12_display_configuration_changed_task(struct pp_hwmgr *hwmgr)<br>
> {<br>
> struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);<br>
> @@ -2196,6 +2356,8 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {<br>
> .display_clock_voltage_request = vega12_display_clock_voltage_request,<br>
> .force_clock_level = vega12_force_clock_level,<br>
> .print_clock_levels = vega12_print_clock_levels,<br>
> + .apply_clocks_adjust_rules =<br>
> + vega12_apply_clocks_adjust_rules,<br>
> .display_config_changed = vega12_display_configuration_changed_task,<br>
> .powergate_uvd = vega12_power_gate_uvd,<br>
> .powergate_vce = vega12_power_gate_vce,<br>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h<br>
> index e18c083..e17237c 100644<br>
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h<br>
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h<br>
> @@ -443,6 +443,8 @@ struct vega12_hwmgr {<br>
> #define VEGA12_UMD_PSTATE_GFXCLK_LEVEL 0x3<br>
> #define VEGA12_UMD_PSTATE_SOCCLK_LEVEL 0x3<br>
> #define VEGA12_UMD_PSTATE_MCLK_LEVEL 0x2<br>
> +#define VEGA12_UMD_PSTATE_UVDCLK_LEVEL 0x3<br>
> +#define VEGA12_UMD_PSTATE_VCEMCLK_LEVEL 0x3<br>
><br>
> int vega12_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable);<br>
><br>
> --<br>
> 2.7.4<br>
><br>
> _______________________________________________<br>
> amd-gfx mailing list<br>
> <a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a><br>
> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br>
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