[superna9999:amlogic/v5.17/g12-dsi 6/7] drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:58:16: error: use of undeclared identifier 'encoder_dsi'
8:02 p.m.
tree: https://github.com/superna9999/linux amlogic/v5.17/g12-dsi
head: cc44c3ce92a63f2c59a3f0ac03e6defd41542940
commit: 02c9727464cf0ef4cebca0197a0f7395be6371f7 [6/7] fixup! drm/meson: add support for
MIPI-DSI transceiver
config: arm-randconfig-r034-20211210
(https://download.01.org/0day-ci/archive/20211210/202112101635.GITAhfmQ-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
#
https://github.com/superna9999/linux/commit/02c9727464cf0ef4cebca0197a0f7...
git remote add superna9999 https://github.com/superna9999/linux
git fetch --no-tags superna9999 amlogic/v5.17/g12-dsi
git checkout 02c9727464cf0ef4cebca0197a0f7395be6371f7
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=arm SHELL=/bin/bash drivers/gpu/drm/meson/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:58:16: error: use of
undeclared identifier 'encoder_dsi'
phy_configure(encoder_dsi->phy, &mipi_dsi->phy_opts);
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:68:2: error: implicit
declaration of function 'meson_dw_mipi_dsi_hw_init'
[-Werror,-Wimplicit-function-declaration]
meson_dw_mipi_dsi_hw_init(mipi_dsi);
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:68:2: note: did you mean
'dw_mipi_dsi_phy_init'?
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:51:12: note: 'dw_mipi_dsi_phy_init'
declared here
static int dw_mipi_dsi_phy_init(void *priv_data)
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:72:21: error: use of
undeclared identifier 'COLOR_24BIT'
dpi_data_format =
COLOR_24BIT;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:73:21: error: use of
undeclared identifier 'MIPI_DSI_VENC_COLOR_24B'
venc_data_width = MIPI_DSI_VENC_COLOR_24B;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:76:21: error: use of
undeclared identifier 'COLOR_18BIT_CFG_2'
dpi_data_format
= COLOR_18BIT_CFG_2;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:77:21: error: use of
undeclared identifier 'MIPI_DSI_VENC_COLOR_18B'
venc_data_width = MIPI_DSI_VENC_COLOR_18B;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:70:10: warning:
enumeration values 'MIPI_DSI_FMT_RGB666_PACKED' and 'MIPI_DSI_FMT_RGB565'
not handled in switch [-Wswitch]
switch
(mipi_dsi->dsi_device->format) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:89:4: error: too many
arguments provided to function-like macro invocation
mipi_dsi->base + MIPI_DSI_TOP_CNTL);
^
arch/arm/include/asm/io.h:300:9: note: macro 'writel_relaxed' defined here
#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:82:2: error: use of
undeclared identifier 'writel_relaxed'
writel_relaxed((dpi_data_format << BIT_DPI_COLOR_MODE) |
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:111:17: error:
assigning to 'struct drm_display_mode *' from 'const struct drm_display_mode
*' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
mipi_dsi->mode = mode;
^ ~~~~
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:113:8: error: implicit
declaration of function 'encoder_dsi_pixel_format_to_bpp'
[-Werror,-Wimplicit-function-declaration]
bpp =
encoder_dsi_pixel_format_to_bpp(mipi_dsi->dsi_device->format);
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:113:8: note: did you mean
'mipi_dsi_pixel_format_to_bpp'?
include/drm/drm_mipi_dsi.h:209:19: note: 'mipi_dsi_pixel_format_to_bpp'
declared here
static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:116:12: error: use of undeclared identifier
'encoder_dsi'
bpp, encoder_dsi->dsi_device->lanes,
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:161:6: warning: unused variable 'ret'
[-Wunused-variable]
int ret;
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:160:22: warning: unused variable
'encoder' [-Wunused-variable]
struct drm_encoder *encoder;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:176:13: error: static
declaration of 'meson_dw_mipi_dsi_hw_init' follows non-static declaration
static void meson_dw_mipi_dsi_hw_init(struct meson_dw_mipi_dsi *mipi_dsi)
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:68:2: note: previous implicit declaration is
here
meson_dw_mipi_dsi_hw_init(mipi_dsi);
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:200:2: error: implicit
declaration of function 'witch' [-Werror,-Wimplicit-function-declaration]
witch (device->format) {
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:200:24: error: expected
';' after expression
witch (device->format) {
^
;
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:201:2: error:
'case' statement not in switch statement
case
MIPI_DSI_FMT_RGB888:
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:202:3: error: use of
undeclared identifier 'dpi_data_format'
dpi_data_format =
COLOR_24BIT;
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:202:21: error: use of undeclared identifier
'COLOR_24BIT'
dpi_data_format = COLOR_24BIT;
^
> drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:203:3: error: use of
undeclared identifier 'venc_data_width'
venc_data_width =
MIPI_DSI_VENC_COLOR_24B;
^
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c:203:21: error: use of undeclared identifier
'MIPI_DSI_VENC_COLOR_24B'
venc_data_width = MIPI_DSI_VENC_COLOR_24B;
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
3 warnings and 20 errors generated.
vim +/encoder_dsi +58 drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
47
48 #define encoder_to_meson_dw_mipi_dsi(x) \
49 container_of(x, struct meson_dw_mipi_dsi, encoder)
50
51 static int dw_mipi_dsi_phy_init(void *priv_data)
52 {
53 struct meson_dw_mipi_dsi *mipi_dsi = priv_data;
54 unsigned int dpi_data_format, venc_data_width;
55 struct meson_drm *priv = mipi_dsi->priv;
56 int ret;
57
58 phy_configure(encoder_dsi->phy, &mipi_dsi->phy_opts);
59
60 ret = clk_set_rate(mipi_dsi->px_clk,
mipi_dsi->phy_opts.mipi_dphy.hs_clk_rate);
61 if (ret) {
62 pr_err("Failed to set DSI PLL rate %lu\n",
63 mipi_dsi->phy_opts.mipi_dphy.hs_clk_rate);
64
65 return ret;
66 }
67
68 meson_dw_mipi_dsi_hw_init(mipi_dsi);
69
70 switch (mipi_dsi->dsi_device->format) {
71 case
MIPI_DSI_FMT_RGB888:
72 dpi_data_format = COLOR_24BIT;
73 venc_data_width = MIPI_DSI_VENC_COLOR_24B;
74 break;
75 case MIPI_DSI_FMT_RGB666:
76 dpi_data_format = COLOR_18BIT_CFG_2;
77 venc_data_width = MIPI_DSI_VENC_COLOR_18B;
78 break;
79 };
80
81 /* Configure color format for DPI register */
82 writel_relaxed((dpi_data_format << BIT_DPI_COLOR_MODE) |
83 (venc_data_width << BIT_IN_COLOR_MODE) |
84 0 << BIT_COMP0_SEL |
85 1 << BIT_COMP1_SEL |
86 2 << BIT_COMP2_SEL,
87 (mipi_dsi->mode->flags & DRM_MODE_FLAG_NHSYNC ? 0 :
BIT(BIT_HSYNC_POL)) |
88 (mipi_dsi->mode->flags & DRM_MODE_FLAG_NVSYNC ? 0 :
BIT(BIT_VSYNC_POL)),
89 mipi_dsi->base + MIPI_DSI_TOP_CNTL);
90
91 phy_power_on(mipi_dsi->phy);
92
93 return 0;
94 }
95
96 static void dw_mipi_dsi_phy_power_off(void *priv_data)
97 {
98 struct meson_dw_mipi_dsi *mipi_dsi = priv_data;
99
100 phy_power_off(mipi_dsi->phy);
101 }
102
103 static int
104 dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode,
105 unsigned long mode_flags, u32 lanes, u32 format,
106 unsigned int *lane_mbps)
107 {
108 struct meson_dw_mipi_dsi *mipi_dsi = priv_data;
109 int bpp;
110
111 mipi_dsi->mode = mode;
112
113 bpp =
encoder_dsi_pixel_format_to_bpp(mipi_dsi->dsi_device->format);
114
115 phy_mipi_dphy_get_default_config(mode->clock * 1000,
116 bpp, encoder_dsi->dsi_device->lanes,
117 &mipi_dsi->phy_opts.mipi_dphy);
118
119 *lane_mbps = mipi_dsi->phy_opts.mipi_dphy.hs_clk_rate / 1000000;
120
121 return 0;
122 }
123
124 static int
125 dw_mipi_dsi_phy_get_timing(void *priv_data, unsigned int lane_mbps,
126 struct dw_mipi_dsi_dphy_timing *timing)
127 {
128 /* TOFIX handle other cases */
129
130 timing->clk_lp2hs = 37;
131 timing->clk_hs2lp = 135;
132 timing->data_lp2hs = 50;
133 timing->data_hs2lp = 3;
134
135 return 0;
136 }
137
138 static int
139 dw_mipi_dsi_get_esc_clk_rate(void *priv_data, unsigned int *esc_clk_rate)
140 {
141 *esc_clk_rate = 4; /* Mhz */
142
143 return 0;
144 }
145
146 static const struct dw_mipi_dsi_phy_ops meson_dw_mipi_dsi_phy_ops = {
147 .init = dw_mipi_dsi_phy_init,
148 .power_off = dw_mipi_dsi_phy_power_off,
149 .get_lane_mbps = dw_mipi_dsi_get_lane_mbps,
150 .get_timing = dw_mipi_dsi_phy_get_timing,
151 .get_esc_clk_rate = dw_mipi_dsi_get_esc_clk_rate,
152 };
153
154 static int meson_dw_mipi_dsi_bind(struct device *dev, struct device *master,
155 void *data)
156 {
157 struct meson_dw_mipi_dsi *mipi_dsi = dev_get_drvdata(dev);
158 struct drm_device *drm = data;
159 struct meson_drm *priv = drm->dev_private;
160 struct drm_encoder *encoder;
161 int ret;
162
163 /* Check before if we are supposed to have a sub-device... */
164 if (!mipi_dsi->dsi_device)
165 return -EPROBE_DEFER;
166
167 mipi_dsi->priv = priv;
168
169 return 0;
170 }
171
172 static const struct component_ops meson_dw_mipi_dsi_ops = {
173 .bind = meson_dw_mipi_dsi_bind,
174 };
175
176 static void meson_dw_mipi_dsi_hw_init(struct meson_dw_mipi_dsi
*mipi_dsi)
177 {
178 writel_relaxed((1 << 4) | (1 << 5) | (0 << 6),
179 mipi_dsi->base + MIPI_DSI_TOP_CNTL);
180
181 writel_bits_relaxed(0xf, 0xf,
182 mipi_dsi->base + MIPI_DSI_TOP_SW_RESET);
183 writel_bits_relaxed(0xf, 0,
184 mipi_dsi->base + MIPI_DSI_TOP_SW_RESET);
185
186 writel_bits_relaxed(0x3, 0x3,
187 mipi_dsi->base + MIPI_DSI_TOP_CLK_CNTL);
188
189 writel_relaxed(0, mipi_dsi->base + MIPI_DSI_TOP_MEM_PD);
190 }
191
192 static int meson_dw_mipi_dsi_host_attach(void *priv_data,
193 struct mipi_dsi_device *device)
194 {
195 struct meson_dw_mipi_dsi *mipi_dsi = priv_data;
196 u32 reg;
197
198 mipi_dsi->dsi_device = device;
199
200 witch (device->format) {
201 case MIPI_DSI_FMT_RGB888:
202 dpi_data_format = COLOR_24BIT;
203 venc_data_width = MIPI_DSI_VENC_COLOR_24B;
204 break;
205 case MIPI_DSI_FMT_RGB666:
206 dpi_data_format = COLOR_18BIT_CFG_2;
207 venc_data_width = MIPI_DSI_VENC_COLOR_18B;
208 break;
209 case MIPI_DSI_FMT_RGB666_PACKED:
210 case MIPI_DSI_FMT_RGB565:
211 DRM_DEV_ERROR(mipi_dsi->dev, "invalid pixel format %d\n",
device->format);
212 return -EINVAL;
213 };
214
215 phy_init(mipi_dsi->phy);
216
217 return 0;
218 }
219
---
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