From: Vinay Belgaumkar <vinay.belgaumkar@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Date: Wed, 28 Jul 2021 14:11:37 -0700 [thread overview] Message-ID: <20210728211144.15322-8-vinay.belgaumkar@intel.com> (raw) In-Reply-To: <20210728211144.15322-1-vinay.belgaumkar@intel.com> Add param set h2g helpers to set the min and max frequencies for use by SLPC. v2: Address review comments (Michal W) v3: Check for positive error code (Michal W) v4: Print generic error in set_param (Michal W) Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> --- drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 89 +++++++++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 2 + 2 files changed, 91 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index da3e1f8844a9..0959cc9e104a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -109,6 +109,21 @@ static u32 slpc_get_state(struct intel_guc_slpc *slpc) return data->header.global_state; } +static int guc_action_slpc_set_param(struct intel_guc *guc, u8 id, u32 value) +{ + u32 request[] = { + GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST, + SLPC_EVENT(SLPC_EVENT_PARAMETER_SET, 2), + id, + value, + }; + int ret; + + ret = intel_guc_send(guc, request, ARRAY_SIZE(request)); + + return ret > 0 ? -EPROTO : ret; +} + static bool slpc_is_running(struct intel_guc_slpc *slpc) { return slpc_get_state(slpc) == SLPC_GLOBAL_STATE_RUNNING; @@ -146,6 +161,22 @@ static int slpc_query_task_state(struct intel_guc_slpc *slpc) return ret; } +static int slpc_set_param(struct intel_guc_slpc *slpc, u8 id, u32 value) +{ + struct intel_guc *guc = slpc_to_guc(slpc); + struct drm_i915_private *i915 = slpc_to_i915(slpc); + int ret; + + GEM_BUG_ON(id >= SLPC_MAX_PARAM); + + ret = guc_action_slpc_set_param(guc, id, value); + if (ret) + drm_err(&i915->drm, "Failed to set param %d to %u (%pe)\n", + id, value, ERR_PTR(ret)); + + return ret; +} + static const char *slpc_global_state_to_string(enum slpc_global_state state) { switch (state) { @@ -260,6 +291,64 @@ static void slpc_shared_data_reset(struct slpc_shared_data *data) SLPC_PARAM_TASK_DISABLE_DCC); } +/** + * intel_guc_slpc_set_max_freq() - Set max frequency limit for SLPC. + * @slpc: pointer to intel_guc_slpc. + * @val: frequency (MHz) + * + * This function will invoke GuC SLPC action to update the max frequency + * limit for unslice. + * + * Return: 0 on success, non-zero error code on failure. + */ +int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) +{ + struct drm_i915_private *i915 = slpc_to_i915(slpc); + intel_wakeref_t wakeref; + int ret; + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ, + val); + + /* Return standardized err code for sysfs calls */ + if (ret) + ret = -EIO; + } + + return ret; +} + +/** + * intel_guc_slpc_set_min_freq() - Set min frequency limit for SLPC. + * @slpc: pointer to intel_guc_slpc. + * @val: frequency (MHz) + * + * This function will invoke GuC SLPC action to update the min unslice + * frequency. + * + * Return: 0 on success, non-zero error code on failure. + */ +int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) +{ + struct drm_i915_private *i915 = slpc_to_i915(slpc); + intel_wakeref_t wakeref; + int ret; + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, + val); + + /* Return standardized err code for sysfs calls */ + if (ret) + ret = -EIO; + } + + return ret; +} + /* * intel_guc_slpc_enable() - Start SLPC * @slpc: pointer to intel_guc_slpc. diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h index bc139682ad0f..788d87ff7b58 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h @@ -29,5 +29,7 @@ void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); int intel_guc_slpc_init(struct intel_guc_slpc *slpc); int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); +int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val); +int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val); #endif -- 2.25.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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From: Vinay Belgaumkar <vinay.belgaumkar@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>, Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> Subject: [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Date: Wed, 28 Jul 2021 14:11:37 -0700 [thread overview] Message-ID: <20210728211144.15322-8-vinay.belgaumkar@intel.com> (raw) In-Reply-To: <20210728211144.15322-1-vinay.belgaumkar@intel.com> Add param set h2g helpers to set the min and max frequencies for use by SLPC. v2: Address review comments (Michal W) v3: Check for positive error code (Michal W) v4: Print generic error in set_param (Michal W) Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> --- drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 89 +++++++++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 2 + 2 files changed, 91 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index da3e1f8844a9..0959cc9e104a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -109,6 +109,21 @@ static u32 slpc_get_state(struct intel_guc_slpc *slpc) return data->header.global_state; } +static int guc_action_slpc_set_param(struct intel_guc *guc, u8 id, u32 value) +{ + u32 request[] = { + GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST, + SLPC_EVENT(SLPC_EVENT_PARAMETER_SET, 2), + id, + value, + }; + int ret; + + ret = intel_guc_send(guc, request, ARRAY_SIZE(request)); + + return ret > 0 ? -EPROTO : ret; +} + static bool slpc_is_running(struct intel_guc_slpc *slpc) { return slpc_get_state(slpc) == SLPC_GLOBAL_STATE_RUNNING; @@ -146,6 +161,22 @@ static int slpc_query_task_state(struct intel_guc_slpc *slpc) return ret; } +static int slpc_set_param(struct intel_guc_slpc *slpc, u8 id, u32 value) +{ + struct intel_guc *guc = slpc_to_guc(slpc); + struct drm_i915_private *i915 = slpc_to_i915(slpc); + int ret; + + GEM_BUG_ON(id >= SLPC_MAX_PARAM); + + ret = guc_action_slpc_set_param(guc, id, value); + if (ret) + drm_err(&i915->drm, "Failed to set param %d to %u (%pe)\n", + id, value, ERR_PTR(ret)); + + return ret; +} + static const char *slpc_global_state_to_string(enum slpc_global_state state) { switch (state) { @@ -260,6 +291,64 @@ static void slpc_shared_data_reset(struct slpc_shared_data *data) SLPC_PARAM_TASK_DISABLE_DCC); } +/** + * intel_guc_slpc_set_max_freq() - Set max frequency limit for SLPC. + * @slpc: pointer to intel_guc_slpc. + * @val: frequency (MHz) + * + * This function will invoke GuC SLPC action to update the max frequency + * limit for unslice. + * + * Return: 0 on success, non-zero error code on failure. + */ +int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val) +{ + struct drm_i915_private *i915 = slpc_to_i915(slpc); + intel_wakeref_t wakeref; + int ret; + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ, + val); + + /* Return standardized err code for sysfs calls */ + if (ret) + ret = -EIO; + } + + return ret; +} + +/** + * intel_guc_slpc_set_min_freq() - Set min frequency limit for SLPC. + * @slpc: pointer to intel_guc_slpc. + * @val: frequency (MHz) + * + * This function will invoke GuC SLPC action to update the min unslice + * frequency. + * + * Return: 0 on success, non-zero error code on failure. + */ +int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) +{ + struct drm_i915_private *i915 = slpc_to_i915(slpc); + intel_wakeref_t wakeref; + int ret; + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, + val); + + /* Return standardized err code for sysfs calls */ + if (ret) + ret = -EIO; + } + + return ret; +} + /* * intel_guc_slpc_enable() - Start SLPC * @slpc: pointer to intel_guc_slpc. diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h index bc139682ad0f..788d87ff7b58 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h @@ -29,5 +29,7 @@ void intel_guc_slpc_init_early(struct intel_guc_slpc *slpc); int intel_guc_slpc_init(struct intel_guc_slpc *slpc); int intel_guc_slpc_enable(struct intel_guc_slpc *slpc); void intel_guc_slpc_fini(struct intel_guc_slpc *slpc); +int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val); +int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val); #endif -- 2.25.0
next prev parent reply other threads:[~2021-07-28 21:12 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-28 21:11 [Intel-gfx] [PATCH v4 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 01/14] drm/i915/guc/slpc: Initial definitions for SLPC Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 15:28 ` [Intel-gfx] " Michal Wajdeczko 2021-07-29 15:28 ` Michal Wajdeczko 2021-07-28 21:11 ` [Intel-gfx] [PATCH 02/14] drm/i915/guc/slpc: Gate Host RPS when SLPC is enabled Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 03/14] drm/i915/guc/slpc: Adding SLPC communication interfaces Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 15:33 ` [Intel-gfx] " Michal Wajdeczko 2021-07-29 15:33 ` Michal Wajdeczko 2021-07-28 21:11 ` [Intel-gfx] [PATCH 04/14] drm/i915/guc/slpc: Allocate, initialize and release SLPC Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 05/14] drm/i915/guc/slpc: Enable SLPC and add related H2G events Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 15:48 ` [Intel-gfx] " Michal Wajdeczko 2021-07-29 15:48 ` Michal Wajdeczko 2021-07-28 21:11 ` [Intel-gfx] [PATCH 06/14] drm/i915/guc/slpc: Remove BUG_ON in guc_submission_disable Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar [this message] 2021-07-28 21:11 ` [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Vinay Belgaumkar 2021-07-29 16:33 ` [Intel-gfx] " Michal Wajdeczko 2021-07-29 16:33 ` Michal Wajdeczko 2021-07-28 21:11 ` [Intel-gfx] [PATCH 08/14] drm/i915/guc/slpc: Add get max/min freq hooks Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 09/14] drm/i915/guc/slpc: Add debugfs for SLPC info Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 10/14] drm/i915/guc/slpc: Enable ARAT timer interrupt Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 21:11 ` [Intel-gfx] [PATCH 11/14] drm/i915/guc/slpc: Cache platform frequency limits Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 16:21 ` [Intel-gfx] " Michal Wajdeczko 2021-07-29 16:21 ` Michal Wajdeczko 2021-07-29 17:24 ` Belgaumkar, Vinay 2021-07-29 17:24 ` Belgaumkar, Vinay 2021-07-28 21:11 ` [Intel-gfx] [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 20:28 ` Michal Wajdeczko 2021-07-29 20:28 ` [Intel-gfx] " Michal Wajdeczko 2021-07-28 21:11 ` [Intel-gfx] [PATCH 13/14] drm/i915/guc/slpc: Add SLPC selftest Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-29 23:40 ` [Intel-gfx] " Matthew Brost 2021-07-29 23:40 ` Matthew Brost 2021-07-30 1:12 ` Belgaumkar, Vinay 2021-07-30 1:12 ` Belgaumkar, Vinay 2021-07-30 1:45 ` kernel test robot 2021-07-30 1:45 ` kernel test robot 2021-07-30 1:45 ` kernel test robot 2021-07-28 21:11 ` [Intel-gfx] [PATCH 14/14] drm/i915/guc/rc: Setup and enable GuCRC feature Vinay Belgaumkar 2021-07-28 21:11 ` Vinay Belgaumkar 2021-07-28 22:52 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/guc/slpc: Enable GuC based power management features (rev2) Patchwork 2021-07-28 22:54 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-07-28 23:21 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-07-29 4:23 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork -- strict thread matches above, loose matches on Subject: below -- 2021-07-30 20:21 [Intel-gfx] [PATCH v6 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar 2021-07-30 20:21 ` [Intel-gfx] [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Vinay Belgaumkar 2021-07-30 2:00 [Intel-gfx] [PATCH v5 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar 2021-07-30 2:01 ` [Intel-gfx] [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Vinay Belgaumkar 2021-07-21 16:11 [PATCH v2 00/14] drm/i915/guc: Enable GuC based power management features Vinay Belgaumkar 2021-07-21 16:11 ` [Intel-gfx] [PATCH 07/14] drm/i915/guc/slpc: Add methods to set min/max frequency Vinay Belgaumkar 2021-07-21 17:42 ` Michal Wajdeczko 2021-07-23 19:35 ` Belgaumkar, Vinay
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