From: Michal Wajdeczko <michal.wajdeczko@intel.com>
To: Vinay Belgaumkar <vinay.belgaumkar@intel.com>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Subject: Re: [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC
Date: Wed, 21 Jul 2021 20:13:44 +0200 [thread overview]
Message-ID: <c8b72a61-61a2-a32e-1842-6d296154733d@intel.com> (raw)
In-Reply-To: <20210721161120.24610-13-vinay.belgaumkar@intel.com>
On 21.07.2021 18:11, Vinay Belgaumkar wrote:
> Update the get/set min/max freq hooks to work for
> SLPC case as well. Consolidate helpers for requested/min/max
> frequency get/set to intel_rps where the proper action can
> be taken depending on whether slpc is enabled.
s/slpc/SLPC
>
> v2: Add wrappers for getting rp0/1/n frequencies, update
> softlimits in set min/max slpc functions. Also check for
> boundary conditions before setting them.
>
> v3: Address review comments (Michal W)
>
> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
> Signed-off-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
> ---
> drivers/gpu/drm/i915/gt/intel_rps.c | 165 ++++++++++++++++++++
> drivers/gpu/drm/i915/gt/intel_rps.h | 11 ++
> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 14 ++
> drivers/gpu/drm/i915/i915_pmu.c | 2 +-
> drivers/gpu/drm/i915/i915_reg.h | 2 +
> drivers/gpu/drm/i915/i915_sysfs.c | 77 ++-------
> 6 files changed, 207 insertions(+), 64 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
> index e858eeb2c59d..48d4147165a9 100644
> --- a/drivers/gpu/drm/i915/gt/intel_rps.c
> +++ b/drivers/gpu/drm/i915/gt/intel_rps.c
> @@ -37,6 +37,13 @@ static struct intel_uncore *rps_to_uncore(struct intel_rps *rps)
> return rps_to_gt(rps)->uncore;
> }
>
> +static struct intel_guc_slpc *rps_to_slpc(struct intel_rps *rps)
> +{
> + struct intel_gt *gt = rps_to_gt(rps);
> +
> + return >->uc.guc.slpc;
> +}
> +
> static bool rps_uses_slpc(struct intel_rps *rps)
> {
> struct intel_gt *gt = rps_to_gt(rps);
> @@ -1960,6 +1967,164 @@ u32 intel_rps_read_actual_frequency(struct intel_rps *rps)
> return freq;
> }
>
> +u32 intel_rps_read_punit_req(struct intel_rps *rps)
> +{
> + struct intel_uncore *uncore = rps_to_uncore(rps);
> +
> + return intel_uncore_read(uncore, GEN6_RPNSWREQ);
> +}
> +
> +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq)
> +{
> + u32 req = pureq >> GEN9_SW_REQ_UNSLICE_RATIO_SHIFT;
> +
> + return req;
> +}
> +
> +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps)
> +{
> + u32 freq = intel_rps_get_req(rps, intel_rps_read_punit_req(rps));
> +
> + return intel_gpu_freq(rps, freq);
> +}
> +
> +u32 intel_rps_get_requested_frequency(struct intel_rps *rps)
> +{
> + if (rps_uses_slpc(rps))
> + return intel_rps_read_punit_req_frequency(rps);
> + else
> + return intel_gpu_freq(rps, rps->cur_freq);
> +}
> +
> +u32 intel_rps_get_max_frequency(struct intel_rps *rps)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> +
> + if (rps_uses_slpc(rps))
> + return slpc->max_freq_softlimit;
> + else
> + return intel_gpu_freq(rps, rps->max_freq_softlimit);
> +}
> +
> +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> +
> + if (rps_uses_slpc(rps))
> + return slpc->rp0_freq;
> + else
> + return intel_gpu_freq(rps, rps->rp0_freq);
> +}
> +
> +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> +
> + if (rps_uses_slpc(rps))
> + return slpc->rp1_freq;
> + else
> + return intel_gpu_freq(rps, rps->rp1_freq);
> +}
> +
> +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> +
> + if (rps_uses_slpc(rps))
> + return slpc->min_freq;
> + else
> + return intel_gpu_freq(rps, rps->min_freq);
> +}
> +
> +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val)
> +{
> + struct drm_i915_private *i915 = rps_to_i915(rps);
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> + int ret = 0;
> +
> + if (rps_uses_slpc(rps))
> + return intel_guc_slpc_set_max_freq(slpc, val);
> +
> + mutex_lock(&rps->lock);
> +
> + val = intel_freq_opcode(rps, val);
> + if (val < rps->min_freq ||
> + val > rps->max_freq ||
> + val < rps->min_freq_softlimit) {
> + ret = -EINVAL;
> + goto unlock;
> + }
> +
> + if (val > rps->rp0_freq)
> + drm_dbg(&i915->drm, "User requested overclocking to %d\n",
> + intel_gpu_freq(rps, val));
> +
> + rps->max_freq_softlimit = val;
> +
> + val = clamp_t(int, rps->cur_freq,
> + rps->min_freq_softlimit,
> + rps->max_freq_softlimit);
> +
> + /*
> + * We still need *_set_rps to process the new max_delay and
> + * update the interrupt limits and PMINTRMSK even though
> + * frequency request may be unchanged.
> + */
> + intel_rps_set(rps, val);
> +
> +unlock:
> + mutex_unlock(&rps->lock);
> +
> + return ret;
> +}
> +
> +u32 intel_rps_get_min_frequency(struct intel_rps *rps)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> +
> + if (rps_uses_slpc(rps))
> + return slpc->min_freq_softlimit;
> + else
> + return intel_gpu_freq(rps, rps->min_freq_softlimit);
> +}
> +
> +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val)
> +{
> + struct intel_guc_slpc *slpc = rps_to_slpc(rps);
> + int ret = 0;
> +
> + if (rps_uses_slpc(rps))
> + return intel_guc_slpc_set_min_freq(slpc, val);
> +
> + mutex_lock(&rps->lock);
> +
> + val = intel_freq_opcode(rps, val);
> + if (val < rps->min_freq ||
> + val > rps->max_freq ||
> + val > rps->max_freq_softlimit) {
> + ret = -EINVAL;
> + goto unlock;
> + }
> +
> + rps->min_freq_softlimit = val;
> +
> + val = clamp_t(int, rps->cur_freq,
> + rps->min_freq_softlimit,
> + rps->max_freq_softlimit);
> +
> + /*
> + * We still need *_set_rps to process the new min_delay and
> + * update the interrupt limits and PMINTRMSK even though
> + * frequency request may be unchanged.
> + */
> + intel_rps_set(rps, val);
> +
> +unlock:
> + mutex_unlock(&rps->lock);
> +
> + return ret;
> +}
> +
> /* External interface for intel_ips.ko */
>
> static struct drm_i915_private __rcu *ips_mchdev;
> diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h
> index 1d2cfc98b510..6a66690dfb0f 100644
> --- a/drivers/gpu/drm/i915/gt/intel_rps.h
> +++ b/drivers/gpu/drm/i915/gt/intel_rps.h
> @@ -31,6 +31,17 @@ int intel_gpu_freq(struct intel_rps *rps, int val);
> int intel_freq_opcode(struct intel_rps *rps, int val);
> u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat1);
> u32 intel_rps_read_actual_frequency(struct intel_rps *rps);
> +u32 intel_rps_get_requested_frequency(struct intel_rps *rps);
> +u32 intel_rps_get_min_frequency(struct intel_rps *rps);
> +int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val);
> +u32 intel_rps_get_max_frequency(struct intel_rps *rps);
> +int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val);
> +u32 intel_rps_get_rp0_frequency(struct intel_rps *rps);
> +u32 intel_rps_get_rp1_frequency(struct intel_rps *rps);
> +u32 intel_rps_get_rpn_frequency(struct intel_rps *rps);
> +u32 intel_rps_read_punit_req(struct intel_rps *rps);
> +u32 intel_rps_get_req(struct intel_rps *rps, u32 pureq);
> +u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps);
>
> void gen5_rps_irq_handler(struct intel_rps *rps);
> void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
> 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 134c57ca10b7..05d8870ec6da 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> @@ -301,6 +301,11 @@ 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;
>
> + if ((val < slpc->min_freq) ||
> + (val > slpc->rp0_freq) ||
> + (val < slpc->min_freq_softlimit))
> + return -EINVAL;
> +
> with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
> ret = slpc_set_param(slpc,
> SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ,
> @@ -313,6 +318,8 @@ int intel_guc_slpc_set_max_freq(struct intel_guc_slpc *slpc, u32 val)
> }
> }
>
> + slpc->max_freq_softlimit = val;
> +
> return ret;
> }
>
> @@ -359,6 +366,11 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val)
> struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
> intel_wakeref_t wakeref;
>
> + if ((val < slpc->min_freq) ||
> + (val > slpc->rp0_freq) ||
> + (val > slpc->max_freq_softlimit))
> + return -EINVAL;
> +
> with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
> ret = slpc_set_param(slpc,
> SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ,
> @@ -371,6 +383,8 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val)
> }
> }
>
> + slpc->min_freq_softlimit = val;
> +
> return ret;
> }
>
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index 34d37d46a126..a896bec18255 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -407,7 +407,7 @@ frequency_sample(struct intel_gt *gt, unsigned int period_ns)
>
> if (pmu->enable & config_mask(I915_PMU_REQUESTED_FREQUENCY)) {
> add_sample_mult(&pmu->sample[__I915_SAMPLE_FREQ_REQ],
> - intel_gpu_freq(rps, rps->cur_freq),
> + intel_rps_get_requested_frequency(rps),
> period_ns / 1000);
> }
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 92392c1da0e6..a5d893625736 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -9198,6 +9198,8 @@ enum {
> #define GEN9_FREQUENCY(x) ((x) << 23)
> #define GEN6_OFFSET(x) ((x) << 19)
> #define GEN6_AGGRESSIVE_TURBO (0 << 15)
> +#define GEN9_SW_REQ_UNSLICE_RATIO_SHIFT 23
> +
> #define GEN6_RC_VIDEO_FREQ _MMIO(0xA00C)
> #define GEN6_RC_CONTROL _MMIO(0xA090)
> #define GEN6_RC_CTL_RC6pp_ENABLE (1 << 16)
> diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
> index 873bf996ceb5..346646a0b43b 100644
> --- a/drivers/gpu/drm/i915/i915_sysfs.c
> +++ b/drivers/gpu/drm/i915/i915_sysfs.c
> @@ -272,7 +272,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
> struct drm_i915_private *i915 = kdev_minor_to_i915(kdev);
> struct intel_rps *rps = &i915->gt.rps;
>
> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->cur_freq));
> + return sysfs_emit(buf, "%d\n", intel_rps_get_requested_frequency(rps));
> }
>
> static ssize_t gt_boost_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
> @@ -326,9 +326,10 @@ static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev,
> static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
> {
> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
> - struct intel_rps *rps = &dev_priv->gt.rps;
> + struct intel_gt *gt = &dev_priv->gt;
> + struct intel_rps *rps = >->rps;
>
> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->max_freq_softlimit));
> + return sysfs_emit(buf, "%d\n", intel_rps_get_max_frequency(rps));
> }
>
> static ssize_t gt_max_freq_mhz_store(struct device *kdev,
> @@ -336,7 +337,8 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
> const char *buf, size_t count)
> {
> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
> - struct intel_rps *rps = &dev_priv->gt.rps;
> + struct intel_gt *gt = &dev_priv->gt;
> + struct intel_rps *rps = >->rps;
> ssize_t ret;
> u32 val;
>
> @@ -344,35 +346,7 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
> if (ret)
> return ret;
>
> - mutex_lock(&rps->lock);
> -
> - val = intel_freq_opcode(rps, val);
> - if (val < rps->min_freq ||
> - val > rps->max_freq ||
> - val < rps->min_freq_softlimit) {
> - ret = -EINVAL;
> - goto unlock;
> - }
> -
> - if (val > rps->rp0_freq)
> - DRM_DEBUG("User requested overclocking to %d\n",
> - intel_gpu_freq(rps, val));
> -
> - rps->max_freq_softlimit = val;
> -
> - val = clamp_t(int, rps->cur_freq,
> - rps->min_freq_softlimit,
> - rps->max_freq_softlimit);
> -
> - /*
> - * We still need *_set_rps to process the new max_delay and
> - * update the interrupt limits and PMINTRMSK even though
> - * frequency request may be unchanged.
> - */
> - intel_rps_set(rps, val);
> -
> -unlock:
> - mutex_unlock(&rps->lock);
> + ret = intel_rps_set_max_frequency(rps, val);
>
> return ret ?: count;
> }
> @@ -380,9 +354,10 @@ static ssize_t gt_max_freq_mhz_store(struct device *kdev,
> static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
> {
> struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
> - struct intel_rps *rps = &dev_priv->gt.rps;
> + struct intel_gt *gt = &dev_priv->gt;
> + struct intel_rps *rps = >->rps;
>
> - return sysfs_emit(buf, "%d\n", intel_gpu_freq(rps, rps->min_freq_softlimit));
> + return sysfs_emit(buf, "%d\n", intel_rps_get_min_frequency(rps));
> }
>
> static ssize_t gt_min_freq_mhz_store(struct device *kdev,
> @@ -398,31 +373,7 @@ static ssize_t gt_min_freq_mhz_store(struct device *kdev,
> if (ret)
> return ret;
>
> - mutex_lock(&rps->lock);
> -
> - val = intel_freq_opcode(rps, val);
> - if (val < rps->min_freq ||
> - val > rps->max_freq ||
> - val > rps->max_freq_softlimit) {
> - ret = -EINVAL;
> - goto unlock;
> - }
> -
> - rps->min_freq_softlimit = val;
> -
> - val = clamp_t(int, rps->cur_freq,
> - rps->min_freq_softlimit,
> - rps->max_freq_softlimit);
> -
> - /*
> - * We still need *_set_rps to process the new min_delay and
> - * update the interrupt limits and PMINTRMSK even though
> - * frequency request may be unchanged.
> - */
> - intel_rps_set(rps, val);
> -
> -unlock:
> - mutex_unlock(&rps->lock);
> + ret = intel_rps_set_min_frequency(rps, val);
>
> return ret ?: count;
> }
> @@ -448,11 +399,11 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr
> u32 val;
>
> if (attr == &dev_attr_gt_RP0_freq_mhz)
> - val = intel_gpu_freq(rps, rps->rp0_freq);
> + val = intel_rps_get_rp0_frequency(rps);
> else if (attr == &dev_attr_gt_RP1_freq_mhz)
> - val = intel_gpu_freq(rps, rps->rp1_freq);
> + val = intel_rps_get_rp1_frequency(rps);
> else if (attr == &dev_attr_gt_RPn_freq_mhz)
> - val = intel_gpu_freq(rps, rps->min_freq);
> + val = intel_rps_get_rpn_frequency(rps);
> else
> BUG();
>
>
LGTM, but likely you will want someone who is more familiar with RPS to
give r-b, from my side, with typo fixed, this is:
Acked-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
next prev parent reply other threads:[~2021-07-21 18:13 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
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 ` [PATCH 01/14] drm/i915/guc: SQUASHED PATCH - DO NOT REVIEW Vinay Belgaumkar
2021-07-21 16:11 ` [PATCH 02/14] drm/i915/guc/slpc: Initial definitions for SLPC Vinay Belgaumkar
2021-07-21 17:24 ` Michal Wajdeczko
2021-07-22 0:56 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 03/14] drm/i915/guc/slpc: Gate Host RPS when SLPC is enabled Vinay Belgaumkar
2021-07-21 16:11 ` [PATCH 04/14] drm/i915/guc/slpc: Adding SLPC communication interfaces Vinay Belgaumkar
2021-07-21 17:25 ` Michal Wajdeczko
2021-07-23 19:26 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 05/14] drm/i915/guc/slpc: Allocate, initialize and release SLPC Vinay Belgaumkar
2021-07-21 17:26 ` [Intel-gfx] " Michal Wajdeczko
2021-07-23 19:30 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 06/14] drm/i915/guc/slpc: Enable SLPC and add related H2G events Vinay Belgaumkar
2021-07-21 17:38 ` Michal Wajdeczko
2021-07-23 19:28 ` Belgaumkar, Vinay
2021-07-21 23:44 ` kernel test robot
2021-07-22 2:36 ` kernel test robot
2021-07-22 18:07 ` kernel test robot
2021-07-22 18:07 ` [RFC PATCH] drm/i915/guc/slpc: slpc_decode_min_freq() can be static kernel test robot
2021-07-23 13:04 ` [PATCH 06/14] drm/i915/guc/slpc: Enable SLPC and add related H2G events kernel test robot
2021-07-24 16:30 ` kernel test robot
2021-07-21 16:11 ` [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
2021-07-21 16:11 ` [PATCH 08/14] drm/i915/guc/slpc: Add get max/min freq hooks Vinay Belgaumkar
2021-07-21 18:00 ` Michal Wajdeczko
2021-07-23 19:43 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 09/14] drm/i915/guc/slpc: Add debugfs for SLPC info Vinay Belgaumkar
2021-07-21 18:05 ` Michal Wajdeczko
2021-07-23 19:49 ` Belgaumkar, Vinay
2021-07-22 1:29 ` kernel test robot
2021-07-24 0:31 ` kernel test robot
2021-07-24 0:31 ` [RFC PATCH] drm/i915/guc/slpc: intel_eval_slpc_support() can be static kernel test robot
2021-07-25 2:57 ` [PATCH 09/14] drm/i915/guc/slpc: Add debugfs for SLPC info kernel test robot
2021-07-21 16:11 ` [PATCH 10/14] drm/i915/guc/slpc: Enable ARAT timer interrupt Vinay Belgaumkar
2021-07-21 16:11 ` [PATCH 11/14] drm/i915/guc/slpc: Cache platform frequency limits Vinay Belgaumkar
2021-07-21 18:09 ` Michal Wajdeczko
2021-07-23 22:25 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC Vinay Belgaumkar
2021-07-21 18:13 ` Michal Wajdeczko [this message]
2021-07-23 22:28 ` Belgaumkar, Vinay
2021-07-21 16:11 ` [PATCH 13/14] drm/i915/guc/slpc: Add SLPC selftest Vinay Belgaumkar
2021-07-21 16:11 ` [PATCH 14/14] drm/i915/guc/rc: Setup and enable GUCRC feature Vinay Belgaumkar
2021-07-21 18:21 ` Michal Wajdeczko
2021-07-23 22:29 ` Belgaumkar, Vinay
2021-07-28 21:11 [PATCH v4 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar
2021-07-28 21:11 ` [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC Vinay Belgaumkar
2021-07-29 20:28 ` Michal Wajdeczko
2021-07-30 2:00 [PATCH v5 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar
2021-07-30 2:01 ` [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC Vinay Belgaumkar
2021-07-30 20:21 [PATCH v6 00/14] drm/i915/guc/slpc: Enable GuC based power management features Vinay Belgaumkar
2021-07-30 20:21 ` [PATCH 12/14] drm/i915/guc/slpc: Sysfs hooks for SLPC Vinay Belgaumkar
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