From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthoine Bourgeois Subject: [PATCH] drm/radeon/dpm: add debugfs support for rs780 Date: Tue, 16 Jul 2013 23:09:09 +0200 Message-ID: <20130716210903.GA4478@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by gabe.freedesktop.org (Postfix) with ESMTP id 54AC4E663B for ; Tue, 16 Jul 2013 14:06:42 -0700 (PDT) Received: by mail-wg0-f52.google.com with SMTP id b12so1085507wgh.7 for ; Tue, 16 Jul 2013 14:06:41 -0700 (PDT) Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , Jerome Glisse , Anthoine Bourgeois Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org This allows you to look at the current DPM state via debugfs. Signed-off-by: Anthoine Bourgeois --- drivers/gpu/drm/radeon/radeon_asic.c | 1 + drivers/gpu/drm/radeon/radeon_asic.h | 2 ++ drivers/gpu/drm/radeon/rs780_dpm.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 31 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index fea997e..78bec1a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1270,6 +1270,7 @@ static struct radeon_asic rs780_asic = { .get_sclk = &rs780_dpm_get_sclk, .get_mclk = &rs780_dpm_get_mclk, .print_power_state = &rs780_dpm_print_power_state, + .debugfs_print_current_performance_level = &rs780_dpm_debugfs_print_current_performance_level, }, .pflip = { .pre_page_flip = &rs600_pre_page_flip, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index b04b578..ca18957 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -433,6 +433,8 @@ u32 rs780_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low); void rs780_dpm_print_power_state(struct radeon_device *rdev, struct radeon_ps *ps); +void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); /* uvd */ int r600_uvd_init(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c index bef832a..ef5a28e 100644 --- a/drivers/gpu/drm/radeon/rs780_dpm.c +++ b/drivers/gpu/drm/radeon/rs780_dpm.c @@ -961,3 +961,31 @@ u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low) return pi->bootup_uma_clk; } + +void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct igp_ps *ps = rs780_get_ps(rps); + u32 sclk; + enum rs780_vddc_level vddc; + u32 current_index = r600_power_level_get_current_index(rdev); + + if (current_index > 1) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + if (current_index == 0) { + sclk = ps->sclk_low; + vddc = rs780_get_voltage_for_vddc_level(rdev, + ps->min_voltage); + } else { /* current_index == 1 */ + sclk = ps->sclk_high; + vddc = rs780_get_voltage_for_vddc_level(rdev, + ps->max_voltage); + } + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n", + current_index, sclk, + rs780_dpm_get_mclk(rdev, false), vddc); + } +} -- 1.8.1.5