From: <gregkh@linuxfoundation.org>
To: <slava.grigorev@amd.com>, <alexander.deucher@amd.com>,
<christian.koenig@amd.com>, <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm/radeon: cleaned up VCO output settings for DP audio" has been added to the 4.4-stable tree
Date: Tue, 01 Mar 2016 20:00:54 +0000 [thread overview]
Message-ID: <14568624524623@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
drm/radeon: cleaned up VCO output settings for DP audio
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-cleaned-up-vco-output-settings-for-dp-audio.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From c9a392eac18409f51a071520cf508c0b4ad990e2 Mon Sep 17 00:00:00 2001
From: Slava Grigorev <slava.grigorev@amd.com>
Date: Tue, 26 Jan 2016 16:45:10 -0500
Subject: drm/radeon: cleaned up VCO output settings for DP audio
MIME-Version: 1.0
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From: Slava Grigorev <slava.grigorev@amd.com>
commit c9a392eac18409f51a071520cf508c0b4ad990e2 upstream.
This is preparation for the fixes in the following patches.
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/radeon/dce6_afmt.c | 2 +-
drivers/gpu/drm/radeon/radeon.h | 2 +-
drivers/gpu/drm/radeon/radeon_atombios.c | 12 +++++++-----
drivers/gpu/drm/radeon/radeon_audio.c | 8 +-------
4 files changed, 10 insertions(+), 14 deletions(-)
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -315,7 +315,7 @@ void dce6_dp_audio_set_dto(struct radeon
div = 0;
if (div)
- clock = rdev->clock.gpupll_outputfreq * 10 / div;
+ clock /= div;
WREG32(DCE8_DCCG_AUDIO_DTO1_PHASE, 24000);
WREG32(DCE8_DCCG_AUDIO_DTO1_MODULE, clock);
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -268,7 +268,7 @@ struct radeon_clock {
uint32_t current_dispclk;
uint32_t dp_extclk;
uint32_t max_pixel_clock;
- uint32_t gpupll_outputfreq;
+ uint32_t vco_freq;
};
/*
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1257,12 +1257,14 @@ bool radeon_atom_get_clock_info(struct d
rdev->mode_info.firmware_flags =
le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
- if (ASIC_IS_DCE8(rdev)) {
- rdev->clock.gpupll_outputfreq =
+ if (ASIC_IS_DCE8(rdev))
+ rdev->clock.vco_freq =
le32_to_cpu(firmware_info->info_22.ulGPUPLL_OutputFreq);
- if (rdev->clock.gpupll_outputfreq == 0)
- rdev->clock.gpupll_outputfreq = 360000; /* 3.6 GHz */
- }
+ else
+ rdev->clock.vco_freq = rdev->clock.current_dispclk;
+
+ if (rdev->clock.vco_freq == 0)
+ rdev->clock.vco_freq = 360000; /* 3.6 GHz */
return true;
}
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -739,9 +739,6 @@ static void radeon_audio_dp_mode_set(str
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
- struct radeon_connector *radeon_connector = to_radeon_connector(connector);
- struct radeon_connector_atom_dig *dig_connector =
- radeon_connector->con_priv;
if (!dig || !dig->afmt)
return;
@@ -753,10 +750,7 @@ static void radeon_audio_dp_mode_set(str
radeon_audio_write_speaker_allocation(encoder);
radeon_audio_write_sad_regs(encoder);
radeon_audio_write_latency_fields(encoder, mode);
- if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev))
- radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10);
- else
- radeon_audio_set_dto(encoder, dig_connector->dp_clock);
+ radeon_audio_set_dto(encoder, rdev->clock.vco_freq * 10);
radeon_audio_set_audio_packet(encoder);
radeon_audio_select_pin(encoder);
Patches currently in stable-queue which might be from slava.grigorev@amd.com are
queue-4.4/drm-radeon-fix-dp-audio-support-for-apu-with-dce4.1-display-engine.patch
queue-4.4/drm-radeon-cleaned-up-vco-output-settings-for-dp-audio.patch
queue-4.4/drm-radeon-fix-slow-audio-over-dp-on-dce8.patch
queue-4.4/drm-radeon-add-a-common-function-for-dfs-handling.patch
reply other threads:[~2016-03-01 20:00 UTC|newest]
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