From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 169 ++++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 151 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/kernel/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
index abb559c..2a2a0fd 100644
--- a/kernel/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
+++ b/kernel/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
@@ -23,6 +23,8 @@
*
*/
+#include <linux/slab.h>
+
#include "reg_helper.h"
#include "dce_audio.h"
#include "dce/dce_11_0_d.h"
@@ -138,25 +140,27 @@
bool limit_freq_to_88_2_khz = false;
bool limit_freq_to_96_khz = false;
bool limit_freq_to_174_4_khz = false;
+ if (!crtc_info)
+ return;
/* For two channels supported return whatever sink support,unmodified*/
if (channel_count > 2) {
/* Based on HDMI spec 1.3 Table 7.5 */
- if ((crtc_info->requested_pixel_clock <= 27000) &&
+ if ((crtc_info->requested_pixel_clock_100Hz <= 270000) &&
(crtc_info->v_active <= 576) &&
!(crtc_info->interlaced) &&
!(crtc_info->pixel_repetition == 2 ||
crtc_info->pixel_repetition == 4)) {
limit_freq_to_48_khz = true;
- } else if ((crtc_info->requested_pixel_clock <= 27000) &&
+ } else if ((crtc_info->requested_pixel_clock_100Hz <= 270000) &&
(crtc_info->v_active <= 576) &&
(crtc_info->interlaced) &&
(crtc_info->pixel_repetition == 2)) {
limit_freq_to_88_2_khz = true;
- } else if ((crtc_info->requested_pixel_clock <= 54000) &&
+ } else if ((crtc_info->requested_pixel_clock_100Hz <= 540000) &&
(crtc_info->v_active <= 576) &&
!(crtc_info->interlaced)) {
limit_freq_to_174_4_khz = true;
@@ -737,8 +741,8 @@
/* search pixel clock value for Azalia HDMI Audio */
static void get_azalia_clock_info_hdmi(
- uint32_t crtc_pixel_clock_in_khz,
- uint32_t actual_pixel_clock_in_khz,
+ uint32_t crtc_pixel_clock_100hz,
+ uint32_t actual_pixel_clock_100Hz,
struct azalia_clock_info *azalia_clock_info)
{
/* audio_dto_phase= 24 * 10,000;
@@ -749,11 +753,11 @@
/* audio_dto_module = PCLKFrequency * 10,000;
* [khz] -> [100Hz] */
azalia_clock_info->audio_dto_module =
- actual_pixel_clock_in_khz * 10;
+ actual_pixel_clock_100Hz;
}
static void get_azalia_clock_info_dp(
- uint32_t requested_pixel_clock_in_khz,
+ uint32_t requested_pixel_clock_100Hz,
const struct audio_pll_info *pll_info,
struct azalia_clock_info *azalia_clock_info)
{
@@ -782,7 +786,7 @@
struct azalia_clock_info clock_info = { 0 };
- if (dc_is_hdmi_signal(signal)) {
+ if (dc_is_hdmi_tmds_signal(signal)) {
uint32_t src_sel;
/*DTO0 Programming goal:
@@ -792,15 +796,15 @@
/* calculate DTO settings */
get_azalia_clock_info_hdmi(
- crtc_info->requested_pixel_clock,
- crtc_info->calculated_pixel_clock,
+ crtc_info->requested_pixel_clock_100Hz,
+ crtc_info->calculated_pixel_clock_100Hz,
&clock_info);
- DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock = %d"\
- "calculated_pixel_clock =%d\n"\
+ DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\
+ "calculated_pixel_clock_100Hz =%d\n"\
"audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\
- crtc_info->requested_pixel_clock,\
- crtc_info->calculated_pixel_clock,\
+ crtc_info->requested_pixel_clock_100Hz,\
+ crtc_info->calculated_pixel_clock_100Hz,\
clock_info.audio_dto_module,\
clock_info.audio_dto_phase);
@@ -833,7 +837,7 @@
calculate DTO settings */
get_azalia_clock_info_dp(
- crtc_info->requested_pixel_clock,
+ crtc_info->requested_pixel_clock_100Hz,
pll_info,
&clock_info);
@@ -843,8 +847,6 @@
REG_UPDATE(DCCG_AUDIO_DTO_SOURCE,
DCCG_AUDIO_DTO_SEL, 1);
- REG_UPDATE(DCCG_AUDIO_DTO_SOURCE,
- DCCG_AUDIO_DTO_SEL, 1);
/* DCCG_AUDIO_DTO2_USE_512FBR_DTO, 1)
* Select 512fs for DP TODO: web register definition
* does not match register header file
@@ -864,6 +866,98 @@
}
}
+
+#if defined(CONFIG_DRM_AMD_DC_SI)
+void dce60_aud_wall_dto_setup(
+ struct audio *audio,
+ enum signal_type signal,
+ const struct audio_crtc_info *crtc_info,
+ const struct audio_pll_info *pll_info)
+{
+ struct dce_audio *aud = DCE_AUD(audio);
+
+ struct azalia_clock_info clock_info = { 0 };
+
+ if (dc_is_hdmi_signal(signal)) {
+ uint32_t src_sel;
+
+ /*DTO0 Programming goal:
+ -generate 24MHz, 128*Fs from 24MHz
+ -use DTO0 when an active HDMI port is connected
+ (optionally a DP is connected) */
+
+ /* calculate DTO settings */
+ get_azalia_clock_info_hdmi(
+ crtc_info->requested_pixel_clock_100Hz,
+ crtc_info->calculated_pixel_clock_100Hz,
+ &clock_info);
+
+ DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\
+ "calculated_pixel_clock_100Hz =%d\n"\
+ "audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\
+ crtc_info->requested_pixel_clock_100Hz,\
+ crtc_info->calculated_pixel_clock_100Hz,\
+ clock_info.audio_dto_module,\
+ clock_info.audio_dto_phase);
+
+ /* On TN/SI, Program DTO source select and DTO select before
+ programming DTO modulo and DTO phase. These bits must be
+ programmed first, otherwise there will be no HDMI audio at boot
+ up. This is a HW sequence change (different from old ASICs).
+ Caution when changing this programming sequence.
+
+ HDMI enabled, using DTO0
+ program master CRTC for DTO0 */
+ src_sel = pll_info->dto_source - DTO_SOURCE_ID0;
+ REG_UPDATE_2(DCCG_AUDIO_DTO_SOURCE,
+ DCCG_AUDIO_DTO0_SOURCE_SEL, src_sel,
+ DCCG_AUDIO_DTO_SEL, 0);
+
+ /* module */
+ REG_UPDATE(DCCG_AUDIO_DTO0_MODULE,
+ DCCG_AUDIO_DTO0_MODULE, clock_info.audio_dto_module);
+
+ /* phase */
+ REG_UPDATE(DCCG_AUDIO_DTO0_PHASE,
+ DCCG_AUDIO_DTO0_PHASE, clock_info.audio_dto_phase);
+ } else {
+ /*DTO1 Programming goal:
+ -generate 24MHz, 128*Fs from 24MHz (DCE6 does not support 512*Fs)
+ -default is to used DTO1, and switch to DTO0 when an audio
+ master HDMI port is connected
+ -use as default for DP
+
+ calculate DTO settings */
+ get_azalia_clock_info_dp(
+ crtc_info->requested_pixel_clock_100Hz,
+ pll_info,
+ &clock_info);
+
+ /* Program DTO select before programming DTO modulo and DTO
+ phase. default to use DTO1 */
+
+ REG_UPDATE(DCCG_AUDIO_DTO_SOURCE,
+ DCCG_AUDIO_DTO_SEL, 1);
+
+ /* DCCG_AUDIO_DTO2_USE_512FBR_DTO, 1)
+ * Cannot select 512fs for DP
+ *
+ * DCE6 has no DCCG_AUDIO_DTO2_USE_512FBR_DTO mask
+ */
+
+ /* module */
+ REG_UPDATE(DCCG_AUDIO_DTO1_MODULE,
+ DCCG_AUDIO_DTO1_MODULE, clock_info.audio_dto_module);
+
+ /* phase */
+ REG_UPDATE(DCCG_AUDIO_DTO1_PHASE,
+ DCCG_AUDIO_DTO1_PHASE, clock_info.audio_dto_phase);
+
+ /* DCE6 has no DCCG_AUDIO_DTO2_USE_512FBR_DTO mask in DCCG_AUDIO_DTO_SOURCE reg */
+
+ }
+}
+#endif
static bool dce_aud_endpoint_valid(struct audio *audio)
{
@@ -924,6 +1018,19 @@
.az_configure = dce_aud_az_configure,
.destroy = dce_aud_destroy,
};
+
+#if defined(CONFIG_DRM_AMD_DC_SI)
+static const struct audio_funcs dce60_funcs = {
+ .endpoint_valid = dce_aud_endpoint_valid,
+ .hw_init = dce_aud_hw_init,
+ .wall_dto_setup = dce60_aud_wall_dto_setup,
+ .az_enable = dce_aud_az_enable,
+ .az_disable = dce_aud_az_disable,
+ .az_configure = dce_aud_az_configure,
+ .destroy = dce_aud_destroy,
+};
+#endif
+
void dce_aud_destroy(struct audio **audio)
{
struct dce_audio *aud = DCE_AUD(*audio);
@@ -937,7 +1044,7 @@
unsigned int inst,
const struct dce_audio_registers *reg,
const struct dce_audio_shift *shifts,
- const struct dce_aduio_mask *masks
+ const struct dce_audio_mask *masks
)
{
struct dce_audio *audio = kzalloc(sizeof(*audio), GFP_KERNEL);
@@ -957,3 +1064,29 @@
return &audio->base;
}
+#if defined(CONFIG_DRM_AMD_DC_SI)
+struct audio *dce60_audio_create(
+ struct dc_context *ctx,
+ unsigned int inst,
+ const struct dce_audio_registers *reg,
+ const struct dce_audio_shift *shifts,
+ const struct dce_audio_mask *masks
+ )
+{
+ struct dce_audio *audio = kzalloc(sizeof(*audio), GFP_KERNEL);
+
+ if (audio == NULL) {
+ ASSERT_CRITICAL(audio);
+ return NULL;
+ }
+
+ audio->base.ctx = ctx;
+ audio->base.inst = inst;
+ audio->base.funcs = &dce60_funcs;
+
+ audio->regs = reg;
+ audio->shifts = shifts;
+ audio->masks = masks;
+ return &audio->base;
+}
+#endif
--
Gitblit v1.6.2