From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/gpu/drm/gma500/cdv_intel_dp.c | 59 +++++++++--------------------------------------------------
1 files changed, 9 insertions(+), 50 deletions(-)
diff --git a/kernel/drivers/gpu/drm/gma500/cdv_intel_dp.c b/kernel/drivers/gpu/drm/gma500/cdv_intel_dp.c
index 3e8b804..deb4fd1 100644
--- a/kernel/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/kernel/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -26,16 +26,18 @@
*/
#include <linux/i2c.h>
-#include <linux/slab.h>
#include <linux/module.h>
-#include <drm/drmP.h>
+#include <linux/slab.h>
+
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include "gma_display.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"
-#include "gma_display.h"
-#include <drm/drm_dp_helper.h>
/**
* struct i2c_algo_dp_aux_data - driver interface structure for i2c over dp
@@ -1270,37 +1272,8 @@
return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
}
-
-#if 0
-static char *voltage_names[] = {
- "0.4V", "0.6V", "0.8V", "1.2V"
-};
-static char *pre_emph_names[] = {
- "0dB", "3.5dB", "6dB", "9.5dB"
-};
-static char *link_train_names[] = {
- "pattern 1", "pattern 2", "idle", "off"
-};
-#endif
-
#define CDV_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
-/*
-static uint8_t
-cdv_intel_dp_pre_emphasis_max(uint8_t voltage_swing)
-{
- switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
- case DP_TRAIN_VOLTAGE_SWING_400:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_600:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_800:
- return DP_TRAIN_PRE_EMPHASIS_3_5;
- case DP_TRAIN_VOLTAGE_SWING_1200:
- default:
- return DP_TRAIN_PRE_EMPHASIS_0;
- }
-}
-*/
+
static void
cdv_intel_get_adjust_train(struct gma_encoder *encoder)
{
@@ -1593,7 +1566,6 @@
{
struct drm_device *dev = encoder->base.dev;
struct cdv_intel_dp *intel_dp = encoder->dev_priv;
- bool channel_eq = false;
int tries, cr_tries;
u32 reg;
uint32_t DP = intel_dp->DP;
@@ -1601,7 +1573,6 @@
/* channel equalization */
tries = 0;
cr_tries = 0;
- channel_eq = false;
DRM_DEBUG_KMS("\n");
reg = DP | DP_LINK_TRAIN_PAT_2;
@@ -1647,7 +1618,6 @@
if (cdv_intel_channel_eq_ok(encoder)) {
DRM_DEBUG_KMS("PT2 train is done\n");
- channel_eq = true;
break;
}
@@ -1910,11 +1880,6 @@
kfree(connector);
}
-static void cdv_intel_dp_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
static const struct drm_encoder_helper_funcs cdv_intel_dp_helper_funcs = {
.dpms = cdv_intel_dp_dpms,
.mode_fixup = cdv_intel_dp_mode_fixup,
@@ -1936,11 +1901,6 @@
.mode_valid = cdv_intel_dp_mode_valid,
.best_encoder = gma_best_encoder,
};
-
-static const struct drm_encoder_funcs cdv_intel_dp_enc_funcs = {
- .destroy = cdv_intel_dp_encoder_destroy,
-};
-
static void cdv_intel_dp_add_properties(struct drm_connector *connector)
{
@@ -2018,8 +1978,7 @@
encoder = &gma_encoder->base;
drm_connector_init(dev, connector, &cdv_intel_dp_connector_funcs, type);
- drm_encoder_init(dev, encoder, &cdv_intel_dp_enc_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
@@ -2122,7 +2081,7 @@
if (ret <= 0) {
/* if this fails, presume the device is a ghost */
DRM_INFO("failed to retrieve link info, disabling eDP\n");
- cdv_intel_dp_encoder_destroy(encoder);
+ drm_encoder_cleanup(encoder);
cdv_intel_dp_destroy(connector);
goto err_connector;
} else {
--
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