diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index a9839485f2a2..b9ed29ec60dc 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -95,7 +95,7 @@ static int parse_write_buffer_into_params(char *wr_buf, uint32_t wr_buf_size, return -EFAULT; } - /* check number of parameters. isspace could not differ space and \n */ + /* check number of parameters. isspace could not differ space and\n */ while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) { /* skip space*/ while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { @@ -2710,6 +2710,65 @@ static int ips_status_show(struct seq_file *m, void *unused) } /* + * IPS residency information from DMUB service. Read only. + * + * For time-window (segment) measurement: + * 1) echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl + * 2) sleep <seconds> + * 3) echo 0 > /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency_cntl + * 4) cat /sys/kernel/debug/dri/0/amdgpu_dm_ips_residency + */ +static int ips_residency_show(struct seq_file *m, void *unused) +{ + struct amdgpu_device *adev = m->private; + struct dc *dc = adev->dm.dc; + uint8_t panel_inst = 0; + enum ips_residency_mode mode; + struct dmub_ips_residency_info info; + + mutex_lock(&adev->dm.dc_lock); + + mode = IPS_RESIDENCY__IPS1_RCG; + if (!dc_dmub_srv_ips_query_residency_info(dc->ctx, panel_inst, &info, mode)) { + seq_printf(m, "ISP query failed\n"); + } else { + unsigned int pct, frac; + pct = info.residency_millipercent / 1000; + frac = info.residency_millipercent % 1000; + + seq_printf(m, "IPS residency: %u.%03u%% \n", pct, frac); + seq_printf(m, " entry_counter: %u\n", info.entry_counter); + seq_printf(m, " total_time_us: %llu\n", + (unsigned long long)info.total_time_us); + seq_printf(m, " total_inactive_time_us: %llu\n", + (unsigned long long)info.total_inactive_time_us); + } + mutex_unlock(&adev->dm.dc_lock); + return 0; +} + +static int ips_residency_cntl_get(void *data, u64 *val) +{ + *val = 0; + return 0; +} + +static int ips_residency_cntl_set(void *data, u64 val) +{ + struct amdgpu_device *adev = data; + struct dc *dc = adev->dm.dc; + uint8_t panel_inst = 0; + int ret = 0; + + mutex_lock(&adev->dm.dc_lock); + if (!dc_dmub_srv_ips_residency_cntl(dc->ctx, panel_inst, !!val)) + ret = -EIO; + mutex_unlock(&adev->dm.dc_lock); + + return ret; +} + +/* * Backlight at this moment. Read only. * As written to display, taking ABM and backlight lut into account. * Ranges from 0x0 to 0x10000 (= 100% PWM) @@ -3370,9 +3429,12 @@ DEFINE_DEBUGFS_ATTRIBUTE(disallow_edp_enter_psr_fops, disallow_edp_enter_psr_get, disallow_edp_enter_psr_set, "%llu\n"); +DEFINE_DEBUGFS_ATTRIBUTE(ips_residency_cntl_fops, ips_residency_cntl_get, + ips_residency_cntl_set, "%llu\n"); DEFINE_SHOW_ATTRIBUTE(current_backlight); DEFINE_SHOW_ATTRIBUTE(target_backlight); DEFINE_SHOW_ATTRIBUTE(ips_status); +DEFINE_SHOW_ATTRIBUTE(ips_residency); static const struct { char *name; @@ -4271,7 +4333,14 @@ void dtn_debugfs_init(struct amdgpu_device *adev) debugfs_create_file_unsafe("amdgpu_dm_disable_hpd", 0644, root, adev, &disable_hpd_ops); - if (adev->dm.dc->caps.ips_support) + if (adev->dm.dc->caps.ips_support) { debugfs_create_file_unsafe("amdgpu_dm_ips_status", 0644, root, adev, &ips_status_fops); + + debugfs_create_file_unsafe("amdgpu_dm_ips_residency_cntl", 0644, root, adev, + &ips_residency_cntl_fops); + + debugfs_create_file_unsafe("amdgpu_dm_ips_residency", 0644, root, adev, + &ips_residency_fops); + } } |