Reviewed-by: Jack Gui <Jack.Gui@xxxxxxx> -----Original Message----- From: Quan, Evan <Evan.Quan@xxxxxxx> Sent: Monday, September 2, 2019 4:16 PM To: Quan, Evan <Evan.Quan@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Gui, Jack <Jack.Gui@xxxxxxx> Subject: RE: [PATCH] drm/amd/powerplay: update cached feature enablement status V3 Ping.. > -----Original Message----- > From: Evan Quan <evan.quan@xxxxxxx> > Sent: 2019年8月23日 12:49 > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Quan, Evan <Evan.Quan@xxxxxxx> > Subject: [PATCH] drm/amd/powerplay: update cached feature enablement > status V3 > > Need to update in cache feature enablement status after pp_feature > settings. Another fix for the commit below: > drm/amd/powerplay: implment sysfs feature status function in smu > > V2: update smu_feature_update_enable_state() and relates > V3: use bitmap_or and bitmap_andnot > > Change-Id: I90e29b0d839df26825d5993212f6097c7ad4bebf > Signed-off-by: Evan Quan <evan.quan@xxxxxxx> > --- > drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 101 +++++++++-------- > - > .../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 - > 2 files changed, 49 insertions(+), 53 deletions(-) > > diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c > b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c > index 4df7fb6eaf3c..c8c00966a621 100644 > --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c > +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c > @@ -94,6 +94,52 @@ size_t smu_sys_get_pp_feature_mask(struct > smu_context *smu, char *buf) > return size; > } > > +static int smu_feature_update_enable_state(struct smu_context *smu, > + uint64_t feature_mask, > + bool enabled) > +{ > + struct smu_feature *feature = &smu->smu_feature; > + uint32_t feature_low = 0, feature_high = 0; > + int ret = 0; > + > + if (!smu->pm_enabled) > + return ret; > + > + feature_low = (feature_mask >> 0 ) & 0xffffffff; > + feature_high = (feature_mask >> 32) & 0xffffffff; > + > + if (enabled) { > + ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_EnableSmuFeaturesLow, > + feature_low); > + if (ret) > + return ret; > + ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_EnableSmuFeaturesHigh, > + feature_high); > + if (ret) > + return ret; > + } else { > + ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_DisableSmuFeaturesLow, > + feature_low); > + if (ret) > + return ret; > + ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_DisableSmuFeaturesHigh, > + feature_high); > + if (ret) > + return ret; > + } > + > + mutex_lock(&feature->mutex); > + if (enabled) > + bitmap_or(feature->enabled, feature->enabled, > + (unsigned long *)(&feature_mask), > SMU_FEATURE_MAX); > + else > + bitmap_andnot(feature->enabled, feature->enabled, > + (unsigned long *)(&feature_mask), > SMU_FEATURE_MAX); > + mutex_unlock(&feature->mutex); > + > + return ret; > +} > + > int smu_sys_set_pp_feature_mask(struct smu_context *smu, uint64_t > new_mask) { > int ret = 0; > @@ -591,41 +637,7 @@ int smu_feature_init_dpm(struct smu_context > *smu) > > return ret; > } > -int smu_feature_update_enable_state(struct smu_context *smu, uint64_t > feature_mask, bool enabled) -{ > - uint32_t feature_low = 0, feature_high = 0; > - int ret = 0; > - > - if (!smu->pm_enabled) > - return ret; > - > - feature_low = (feature_mask >> 0 ) & 0xffffffff; > - feature_high = (feature_mask >> 32) & 0xffffffff; > - > - if (enabled) { > - ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_EnableSmuFeaturesLow, > - feature_low); > - if (ret) > - return ret; > - ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_EnableSmuFeaturesHigh, > - feature_high); > - if (ret) > - return ret; > - > - } else { > - ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_DisableSmuFeaturesLow, > - feature_low); > - if (ret) > - return ret; > - ret = smu_send_smc_msg_with_param(smu, > SMU_MSG_DisableSmuFeaturesHigh, > - feature_high); > - if (ret) > - return ret; > > - } > - > - return ret; > -} > > int smu_feature_is_enabled(struct smu_context *smu, enum > smu_feature_mask mask) { @@ -651,8 +663,6 @@ int > smu_feature_set_enabled(struct smu_context *smu, enum smu_feature_mask > mask, { > struct smu_feature *feature = &smu->smu_feature; > int feature_id; > - uint64_t feature_mask = 0; > - int ret = 0; > > feature_id = smu_feature_get_index(smu, mask); > if (feature_id < 0) > @@ -660,22 +670,9 @@ int smu_feature_set_enabled(struct smu_context > *smu, enum smu_feature_mask mask, > > WARN_ON(feature_id > feature->feature_num); > > - feature_mask = 1ULL << feature_id; > - > - mutex_lock(&feature->mutex); > - ret = smu_feature_update_enable_state(smu, feature_mask, > enable); > - if (ret) > - goto failed; > - > - if (enable) > - test_and_set_bit(feature_id, feature->enabled); > - else > - test_and_clear_bit(feature_id, feature->enabled); > - > -failed: > - mutex_unlock(&feature->mutex); > - > - return ret; > + return smu_feature_update_enable_state(smu, > + 1ULL << feature_id, > + enable); > } > > int smu_feature_is_supported(struct smu_context *smu, enum > smu_feature_mask mask) diff --git > a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h > b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h > index e80c81552d29..fbf68fd42b93 100644 > --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h > +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h > @@ -807,7 +807,6 @@ enum amd_dpm_forced_level > smu_get_performance_level(struct smu_context *smu); int > smu_force_performance_level(struct smu_context *smu, enum > amd_dpm_forced_level level); int smu_set_display_count(struct > smu_context *smu, uint32_t count); bool smu_clk_dpm_is_enabled(struct > smu_context *smu, enum smu_clk_type clk_type); -int > smu_feature_update_enable_state(struct smu_context *smu, uint64_t > feature_mask, bool enabled); const char *smu_get_message_name(struct > smu_context *smu, enum smu_message_type type); const char > *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask > feature); size_t smu_sys_get_pp_feature_mask(struct > smu_context *smu, char *buf); 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