linux-kernel - [PATCH 1/4] drm/radeon/radeon_audio: Remove unused r600_hdmi_audio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250418002117.130612-2-linux@treblig.org>
Date: Fri, 18 Apr 2025 01:21:14 +0100
From: linux@...blig.org
To: alexander.deucher@....com,
	harry.wentland@....com,
	sunpeng.li@....com,
	siqueira@...lia.com,
	christian.koenig@....com
Cc: airlied@...il.com,
	simona@...ll.ch,
	amd-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 1/4] drm/radeon/radeon_audio: Remove unused r600_hdmi_audio_workaround

From: "Dr. David Alan Gilbert" <linux@...blig.org>

The last use of r600_hdmi_audio_workaround() was removed by 2014's
commit 6e72376dcc66 ("radeon/audio: consolidate audio_mode_set()
functions")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 drivers/gpu/drm/radeon/r600_hdmi.c   | 22 ----------------------
 drivers/gpu/drm/radeon/radeon_asic.h |  1 -
 2 files changed, 23 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 661f374f5f27..9758f3a9df75 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -290,28 +290,6 @@ int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder)
 	return result;
 }
 
-/*
- * write the audio workaround status to the hardware
- */
-void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct radeon_device *rdev = dev->dev_private;
-	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-	uint32_t offset = dig->afmt->offset;
-	bool hdmi_audio_workaround = false; /* FIXME */
-	u32 value;
-
-	if (!hdmi_audio_workaround ||
-	    r600_hdmi_is_audio_buffer_filled(encoder))
-		value = 0; /* disable workaround */
-	else
-		value = HDMI0_AUDIO_TEST_EN; /* enable workaround */
-	WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset,
-		 value, ~HDMI0_AUDIO_TEST_EN);
-}
-
 void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
 			     struct radeon_crtc *crtc, unsigned int clock)
 {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 8f5e07834fcc..9e697f10f9ca 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -401,7 +401,6 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock);
 void r600_hdmi_update_avi_infoframe(struct drm_encoder *encoder, void *buffer,
 				    size_t size);
 void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock);
-void r600_hdmi_audio_workaround(struct drm_encoder *encoder);
 int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
 void r600_hdmi_update_audio_settings(struct drm_encoder *encoder);
 u32 r600_get_xclk(struct radeon_device *rdev);
-- 
2.49.0