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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
112 lines
4.0 KiB
Diff
112 lines
4.0 KiB
Diff
From 644a25e926abb918dfff7b3122896848ca35d2a1 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Tue, 27 Apr 2021 16:26:39 +0200
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Subject: [PATCH] drm/vc4: hdmi: Remove redundant variables
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 26 ++++++++++++--------------
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drivers/gpu/drm/vc4/vc4_hdmi.h | 4 ----
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2 files changed, 12 insertions(+), 18 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -1164,12 +1164,13 @@ static u32 vc5_hdmi_channel_map(struct v
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}
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/* HDMI audio codec callbacks */
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-static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi)
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+static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi,
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+ unsigned int samplerate)
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{
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u32 hsm_clock = clk_get_rate(vc4_hdmi->audio_clock);
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unsigned long n, m;
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- rational_best_approximation(hsm_clock, vc4_hdmi->audio.samplerate,
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+ rational_best_approximation(hsm_clock, samplerate,
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VC4_HD_MAI_SMP_N_MASK >>
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VC4_HD_MAI_SMP_N_SHIFT,
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(VC4_HD_MAI_SMP_M_MASK >>
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@@ -1181,12 +1182,11 @@ static void vc4_hdmi_audio_set_mai_clock
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VC4_SET_FIELD(m - 1, VC4_HD_MAI_SMP_M));
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}
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-static void vc4_hdmi_set_n_cts(struct vc4_hdmi *vc4_hdmi)
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+static void vc4_hdmi_set_n_cts(struct vc4_hdmi *vc4_hdmi, unsigned int samplerate)
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{
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struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
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struct drm_crtc *crtc = encoder->crtc;
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const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
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- u32 samplerate = vc4_hdmi->audio.samplerate;
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u32 n, cts;
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u64 tmp;
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@@ -1320,27 +1320,25 @@ static int vc4_hdmi_audio_prepare(struct
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{
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struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev);
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struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
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+ unsigned int sample_rate = params->sample_rate;
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+ unsigned int channels = params->channels;
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u32 audio_packet_config, channel_mask;
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u32 channel_map;
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u32 mai_audio_format;
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u32 mai_sample_rate;
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dev_dbg(dev, "%s: %u Hz, %d bit, %d channels\n", __func__,
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- params->sample_rate, params->sample_width,
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- params->channels);
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-
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- vc4_hdmi->audio.channels = params->channels;
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- vc4_hdmi->audio.samplerate = params->sample_rate;
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+ sample_rate, params->sample_width, channels);
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HDMI_WRITE(HDMI_MAI_CTL,
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- VC4_SET_FIELD(params->channels, VC4_HD_MAI_CTL_CHNUM) |
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+ VC4_SET_FIELD(channels, VC4_HD_MAI_CTL_CHNUM) |
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VC4_HD_MAI_CTL_WHOLSMP |
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VC4_HD_MAI_CTL_CHALIGN |
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VC4_HD_MAI_CTL_ENABLE);
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- vc4_hdmi_audio_set_mai_clock(vc4_hdmi);
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+ vc4_hdmi_audio_set_mai_clock(vc4_hdmi, sample_rate);
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- mai_sample_rate = sample_rate_to_mai_fmt(vc4_hdmi->audio.samplerate);
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+ mai_sample_rate = sample_rate_to_mai_fmt(sample_rate);
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if (params->iec.status[0] & IEC958_AES0_NONAUDIO &&
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params->channels == 8)
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mai_audio_format = VC4_HDMI_MAI_FORMAT_HBR;
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@@ -1358,7 +1356,7 @@ static int vc4_hdmi_audio_prepare(struct
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VC4_HDMI_AUDIO_PACKET_ZERO_DATA_ON_INACTIVE_CHANNELS |
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VC4_SET_FIELD(0x8, VC4_HDMI_AUDIO_PACKET_B_FRAME_IDENTIFIER);
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- channel_mask = GENMASK(vc4_hdmi->audio.channels - 1, 0);
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+ channel_mask = GENMASK(channels - 1, 0);
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audio_packet_config |= VC4_SET_FIELD(channel_mask,
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VC4_HDMI_AUDIO_PACKET_CEA_MASK);
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@@ -1377,7 +1375,7 @@ static int vc4_hdmi_audio_prepare(struct
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channel_map = vc4_hdmi->variant->channel_map(vc4_hdmi, channel_mask);
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HDMI_WRITE(HDMI_MAI_CHANNEL_MAP, channel_map);
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HDMI_WRITE(HDMI_AUDIO_PACKET_CONFIG, audio_packet_config);
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- vc4_hdmi_set_n_cts(vc4_hdmi);
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+ vc4_hdmi_set_n_cts(vc4_hdmi, sample_rate);
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memcpy(&vc4_hdmi->audio.infoframe, ¶ms->cea, sizeof(params->cea));
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vc4_hdmi_set_audio_infoframe(encoder);
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
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@@ -111,13 +111,9 @@ struct vc4_hdmi_audio {
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struct snd_soc_dai_link_component cpu;
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struct snd_soc_dai_link_component codec;
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struct snd_soc_dai_link_component platform;
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- int samplerate;
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- int channels;
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struct snd_dmaengine_dai_dma_data dma_data;
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struct hdmi_audio_infoframe infoframe;
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bool streaming;
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-
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- unsigned char iec_status[4];
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};
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/* General HDMI hardware state. */
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