[Intel-gfx] [PATCH v6 3/3] drm/i915/dp: Expose connector VRR monitor range via debugfs
kernel test robot
lkp at intel.com
Sat Jun 13 05:41:01 UTC 2020
Hi Manasi,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next linus/master next-20200612]
[cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Manasi-Navare/VRR-capable-attach-prop-in-i915-DPCD-helper-VRR-debugfs/20200613-070517
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a014-20200613 (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>, old ones prefixed by <<):
drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 'intel_connector_debugfs_add':
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2235:2: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
if (INTEL_GEN(dev_priv) >= 10 &&
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2241:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
if (INTEL_GEN(dev_priv) >= 12)
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c: At top level:
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2247:2: error: expected identifier or '(' before 'if'
if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
^~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2257:2: error: expected identifier or '(' before 'return'
return 0;
^~~~~~
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2258:1: error: expected identifier or '(' before '}' token
}
^
drivers/gpu/drm/i915/display/intel_display_debugfs.c: In function 'intel_connector_debugfs_add':
drivers/gpu/drm/i915/display/intel_display_debugfs.c:2244:2: error: control reaches end of non-void function [-Werror=return-type]
}
^
In file included from include/drm/drm_debugfs.h:36:0,
from drivers/gpu/drm/i915/display/intel_display_debugfs.c:6:
At top level:
>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:2081:23: error: 'i915_lpsp_capability_fops' defined but not used [-Werror=unused-const-variable=]
DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability);
^
include/linux/seq_file.h:154:37: note: in definition of macro 'DEFINE_SHOW_ATTRIBUTE'
static const struct file_operations __name ## _fops = { ^~~~~~
cc1: all warnings being treated as errors
vim +/if +2235 drivers/gpu/drm/i915/display/intel_display_debugfs.c
926b005cd8c4e3 Jani Nikula 2020-02-11 2040
8806211fe7b306 Anshuman Gupta 2020-04-15 2041 #define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
8806211fe7b306 Anshuman Gupta 2020-04-15 2042 seq_puts(m, "LPSP: incapable\n"))
8806211fe7b306 Anshuman Gupta 2020-04-15 2043
8806211fe7b306 Anshuman Gupta 2020-04-15 2044 static int i915_lpsp_capability_show(struct seq_file *m, void *data)
8806211fe7b306 Anshuman Gupta 2020-04-15 2045 {
8806211fe7b306 Anshuman Gupta 2020-04-15 2046 struct drm_connector *connector = m->private;
8806211fe7b306 Anshuman Gupta 2020-04-15 2047 struct intel_encoder *encoder =
8806211fe7b306 Anshuman Gupta 2020-04-15 2048 intel_attached_encoder(to_intel_connector(connector));
8806211fe7b306 Anshuman Gupta 2020-04-15 2049 struct drm_i915_private *i915 = to_i915(connector->dev);
8806211fe7b306 Anshuman Gupta 2020-04-15 2050
8806211fe7b306 Anshuman Gupta 2020-04-15 2051 if (connector->status != connector_status_connected)
8806211fe7b306 Anshuman Gupta 2020-04-15 2052 return -ENODEV;
8806211fe7b306 Anshuman Gupta 2020-04-15 2053
8806211fe7b306 Anshuman Gupta 2020-04-15 2054 switch (INTEL_GEN(i915)) {
8806211fe7b306 Anshuman Gupta 2020-04-15 2055 case 12:
8806211fe7b306 Anshuman Gupta 2020-04-15 2056 /*
8806211fe7b306 Anshuman Gupta 2020-04-15 2057 * Actually TGL can drive LPSP on port till DDI_C
8806211fe7b306 Anshuman Gupta 2020-04-15 2058 * but there is no physical connected DDI_C on TGL sku's,
8806211fe7b306 Anshuman Gupta 2020-04-15 2059 * even driver is not initilizing DDI_C port for gen12.
8806211fe7b306 Anshuman Gupta 2020-04-15 2060 */
8806211fe7b306 Anshuman Gupta 2020-04-15 2061 LPSP_CAPABLE(encoder->port <= PORT_B);
8806211fe7b306 Anshuman Gupta 2020-04-15 2062 break;
8806211fe7b306 Anshuman Gupta 2020-04-15 2063 case 11:
8806211fe7b306 Anshuman Gupta 2020-04-15 2064 LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
8806211fe7b306 Anshuman Gupta 2020-04-15 2065 connector->connector_type == DRM_MODE_CONNECTOR_eDP);
8806211fe7b306 Anshuman Gupta 2020-04-15 2066 break;
8806211fe7b306 Anshuman Gupta 2020-04-15 2067 case 10:
8806211fe7b306 Anshuman Gupta 2020-04-15 2068 case 9:
8806211fe7b306 Anshuman Gupta 2020-04-15 2069 LPSP_CAPABLE(encoder->port == PORT_A &&
8806211fe7b306 Anshuman Gupta 2020-04-15 2070 (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
8806211fe7b306 Anshuman Gupta 2020-04-15 2071 connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
8806211fe7b306 Anshuman Gupta 2020-04-15 2072 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
8806211fe7b306 Anshuman Gupta 2020-04-15 2073 break;
8806211fe7b306 Anshuman Gupta 2020-04-15 2074 default:
8806211fe7b306 Anshuman Gupta 2020-04-15 2075 if (IS_HASWELL(i915) || IS_BROADWELL(i915))
8806211fe7b306 Anshuman Gupta 2020-04-15 2076 LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_eDP);
8806211fe7b306 Anshuman Gupta 2020-04-15 2077 }
8806211fe7b306 Anshuman Gupta 2020-04-15 2078
8806211fe7b306 Anshuman Gupta 2020-04-15 2079 return 0;
8806211fe7b306 Anshuman Gupta 2020-04-15 2080 }
8806211fe7b306 Anshuman Gupta 2020-04-15 @2081 DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability);
8806211fe7b306 Anshuman Gupta 2020-04-15 2082
926b005cd8c4e3 Jani Nikula 2020-02-11 2083 static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
926b005cd8c4e3 Jani Nikula 2020-02-11 2084 {
926b005cd8c4e3 Jani Nikula 2020-02-11 2085 struct drm_connector *connector = m->private;
926b005cd8c4e3 Jani Nikula 2020-02-11 2086 struct drm_device *dev = connector->dev;
926b005cd8c4e3 Jani Nikula 2020-02-11 2087 struct drm_crtc *crtc;
926b005cd8c4e3 Jani Nikula 2020-02-11 2088 struct intel_dp *intel_dp;
926b005cd8c4e3 Jani Nikula 2020-02-11 2089 struct drm_modeset_acquire_ctx ctx;
926b005cd8c4e3 Jani Nikula 2020-02-11 2090 struct intel_crtc_state *crtc_state = NULL;
926b005cd8c4e3 Jani Nikula 2020-02-11 2091 int ret = 0;
926b005cd8c4e3 Jani Nikula 2020-02-11 2092 bool try_again = false;
926b005cd8c4e3 Jani Nikula 2020-02-11 2093
926b005cd8c4e3 Jani Nikula 2020-02-11 2094 drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
926b005cd8c4e3 Jani Nikula 2020-02-11 2095
926b005cd8c4e3 Jani Nikula 2020-02-11 2096 do {
926b005cd8c4e3 Jani Nikula 2020-02-11 2097 try_again = false;
926b005cd8c4e3 Jani Nikula 2020-02-11 2098 ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
926b005cd8c4e3 Jani Nikula 2020-02-11 2099 &ctx);
926b005cd8c4e3 Jani Nikula 2020-02-11 2100 if (ret) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2101 if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2102 try_again = true;
926b005cd8c4e3 Jani Nikula 2020-02-11 2103 continue;
926b005cd8c4e3 Jani Nikula 2020-02-11 2104 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2105 break;
926b005cd8c4e3 Jani Nikula 2020-02-11 2106 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2107 crtc = connector->state->crtc;
926b005cd8c4e3 Jani Nikula 2020-02-11 2108 if (connector->status != connector_status_connected || !crtc) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2109 ret = -ENODEV;
926b005cd8c4e3 Jani Nikula 2020-02-11 2110 break;
926b005cd8c4e3 Jani Nikula 2020-02-11 2111 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2112 ret = drm_modeset_lock(&crtc->mutex, &ctx);
926b005cd8c4e3 Jani Nikula 2020-02-11 2113 if (ret == -EDEADLK) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2114 ret = drm_modeset_backoff(&ctx);
926b005cd8c4e3 Jani Nikula 2020-02-11 2115 if (!ret) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2116 try_again = true;
926b005cd8c4e3 Jani Nikula 2020-02-11 2117 continue;
926b005cd8c4e3 Jani Nikula 2020-02-11 2118 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2119 break;
926b005cd8c4e3 Jani Nikula 2020-02-11 2120 } else if (ret) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2121 break;
926b005cd8c4e3 Jani Nikula 2020-02-11 2122 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2123 intel_dp = intel_attached_dp(to_intel_connector(connector));
926b005cd8c4e3 Jani Nikula 2020-02-11 2124 crtc_state = to_intel_crtc_state(crtc->state);
926b005cd8c4e3 Jani Nikula 2020-02-11 2125 seq_printf(m, "DSC_Enabled: %s\n",
926b005cd8c4e3 Jani Nikula 2020-02-11 2126 yesno(crtc_state->dsc.compression_enable));
926b005cd8c4e3 Jani Nikula 2020-02-11 2127 seq_printf(m, "DSC_Sink_Support: %s\n",
926b005cd8c4e3 Jani Nikula 2020-02-11 2128 yesno(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
926b005cd8c4e3 Jani Nikula 2020-02-11 2129 seq_printf(m, "Force_DSC_Enable: %s\n",
926b005cd8c4e3 Jani Nikula 2020-02-11 2130 yesno(intel_dp->force_dsc_en));
926b005cd8c4e3 Jani Nikula 2020-02-11 2131 if (!intel_dp_is_edp(intel_dp))
926b005cd8c4e3 Jani Nikula 2020-02-11 2132 seq_printf(m, "FEC_Sink_Support: %s\n",
926b005cd8c4e3 Jani Nikula 2020-02-11 2133 yesno(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
926b005cd8c4e3 Jani Nikula 2020-02-11 2134 } while (try_again);
926b005cd8c4e3 Jani Nikula 2020-02-11 2135
926b005cd8c4e3 Jani Nikula 2020-02-11 2136 drm_modeset_drop_locks(&ctx);
926b005cd8c4e3 Jani Nikula 2020-02-11 2137 drm_modeset_acquire_fini(&ctx);
926b005cd8c4e3 Jani Nikula 2020-02-11 2138
926b005cd8c4e3 Jani Nikula 2020-02-11 2139 return ret;
926b005cd8c4e3 Jani Nikula 2020-02-11 2140 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2141
926b005cd8c4e3 Jani Nikula 2020-02-11 2142 static ssize_t i915_dsc_fec_support_write(struct file *file,
926b005cd8c4e3 Jani Nikula 2020-02-11 2143 const char __user *ubuf,
926b005cd8c4e3 Jani Nikula 2020-02-11 2144 size_t len, loff_t *offp)
926b005cd8c4e3 Jani Nikula 2020-02-11 2145 {
926b005cd8c4e3 Jani Nikula 2020-02-11 2146 bool dsc_enable = false;
926b005cd8c4e3 Jani Nikula 2020-02-11 2147 int ret;
926b005cd8c4e3 Jani Nikula 2020-02-11 2148 struct drm_connector *connector =
926b005cd8c4e3 Jani Nikula 2020-02-11 2149 ((struct seq_file *)file->private_data)->private;
926b005cd8c4e3 Jani Nikula 2020-02-11 2150 struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
926b005cd8c4e3 Jani Nikula 2020-02-11 2151 struct drm_i915_private *i915 = to_i915(encoder->base.dev);
926b005cd8c4e3 Jani Nikula 2020-02-11 2152 struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
926b005cd8c4e3 Jani Nikula 2020-02-11 2153
926b005cd8c4e3 Jani Nikula 2020-02-11 2154 if (len == 0)
926b005cd8c4e3 Jani Nikula 2020-02-11 2155 return 0;
926b005cd8c4e3 Jani Nikula 2020-02-11 2156
926b005cd8c4e3 Jani Nikula 2020-02-11 2157 drm_dbg(&i915->drm,
926b005cd8c4e3 Jani Nikula 2020-02-11 2158 "Copied %zu bytes from user to force DSC\n", len);
926b005cd8c4e3 Jani Nikula 2020-02-11 2159
926b005cd8c4e3 Jani Nikula 2020-02-11 2160 ret = kstrtobool_from_user(ubuf, len, &dsc_enable);
926b005cd8c4e3 Jani Nikula 2020-02-11 2161 if (ret < 0)
926b005cd8c4e3 Jani Nikula 2020-02-11 2162 return ret;
926b005cd8c4e3 Jani Nikula 2020-02-11 2163
926b005cd8c4e3 Jani Nikula 2020-02-11 2164 drm_dbg(&i915->drm, "Got %s for DSC Enable\n",
926b005cd8c4e3 Jani Nikula 2020-02-11 2165 (dsc_enable) ? "true" : "false");
926b005cd8c4e3 Jani Nikula 2020-02-11 2166 intel_dp->force_dsc_en = dsc_enable;
926b005cd8c4e3 Jani Nikula 2020-02-11 2167
926b005cd8c4e3 Jani Nikula 2020-02-11 2168 *offp += len;
926b005cd8c4e3 Jani Nikula 2020-02-11 2169 return len;
926b005cd8c4e3 Jani Nikula 2020-02-11 2170 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2171
926b005cd8c4e3 Jani Nikula 2020-02-11 2172 static int i915_dsc_fec_support_open(struct inode *inode,
926b005cd8c4e3 Jani Nikula 2020-02-11 2173 struct file *file)
926b005cd8c4e3 Jani Nikula 2020-02-11 2174 {
926b005cd8c4e3 Jani Nikula 2020-02-11 2175 return single_open(file, i915_dsc_fec_support_show,
926b005cd8c4e3 Jani Nikula 2020-02-11 2176 inode->i_private);
926b005cd8c4e3 Jani Nikula 2020-02-11 2177 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2178
926b005cd8c4e3 Jani Nikula 2020-02-11 2179 static const struct file_operations i915_dsc_fec_support_fops = {
926b005cd8c4e3 Jani Nikula 2020-02-11 2180 .owner = THIS_MODULE,
926b005cd8c4e3 Jani Nikula 2020-02-11 2181 .open = i915_dsc_fec_support_open,
926b005cd8c4e3 Jani Nikula 2020-02-11 2182 .read = seq_read,
926b005cd8c4e3 Jani Nikula 2020-02-11 2183 .llseek = seq_lseek,
926b005cd8c4e3 Jani Nikula 2020-02-11 2184 .release = single_release,
926b005cd8c4e3 Jani Nikula 2020-02-11 2185 .write = i915_dsc_fec_support_write
926b005cd8c4e3 Jani Nikula 2020-02-11 2186 };
926b005cd8c4e3 Jani Nikula 2020-02-11 2187
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2188 static int vrr_range_show(struct seq_file *m, void *data)
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2189 {
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2190 struct drm_connector *connector = m->private;
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2191
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2192 if (connector->status != connector_status_connected)
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2193 return -ENODEV;
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2194
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2195 seq_printf(m, "Vrr_capable: %s\n", yesno(intel_dp_is_vrr_capable(connector)));
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2196 seq_printf(m, "Min: %u\n", (u8)connector->display_info.monitor_range.min_vfreq);
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2197 seq_printf(m, "Max: %u\n", (u8)connector->display_info.monitor_range.max_vfreq);
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2198
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2199 return 0;
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2200 }
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2201 DEFINE_SHOW_ATTRIBUTE(vrr_range);
670af3cf7a3a36 Bhanuprakash Modem 2020-06-12 2202
926b005cd8c4e3 Jani Nikula 2020-02-11 2203 /**
926b005cd8c4e3 Jani Nikula 2020-02-11 2204 * intel_connector_debugfs_add - add i915 specific connector debugfs files
926b005cd8c4e3 Jani Nikula 2020-02-11 2205 * @connector: pointer to a registered drm_connector
926b005cd8c4e3 Jani Nikula 2020-02-11 2206 *
926b005cd8c4e3 Jani Nikula 2020-02-11 2207 * Cleanup will be done by drm_connector_unregister() through a call to
926b005cd8c4e3 Jani Nikula 2020-02-11 2208 * drm_debugfs_connector_remove().
926b005cd8c4e3 Jani Nikula 2020-02-11 2209 *
926b005cd8c4e3 Jani Nikula 2020-02-11 2210 * Returns 0 on success, negative error codes on error.
926b005cd8c4e3 Jani Nikula 2020-02-11 2211 */
926b005cd8c4e3 Jani Nikula 2020-02-11 2212 int intel_connector_debugfs_add(struct drm_connector *connector)
926b005cd8c4e3 Jani Nikula 2020-02-11 2213 {
926b005cd8c4e3 Jani Nikula 2020-02-11 2214 struct dentry *root = connector->debugfs_entry;
926b005cd8c4e3 Jani Nikula 2020-02-11 2215 struct drm_i915_private *dev_priv = to_i915(connector->dev);
926b005cd8c4e3 Jani Nikula 2020-02-11 2216
926b005cd8c4e3 Jani Nikula 2020-02-11 2217 /* The connector must have been registered beforehands. */
926b005cd8c4e3 Jani Nikula 2020-02-11 2218 if (!root)
926b005cd8c4e3 Jani Nikula 2020-02-11 2219 return -ENODEV;
926b005cd8c4e3 Jani Nikula 2020-02-11 2220
926b005cd8c4e3 Jani Nikula 2020-02-11 2221 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2222 debugfs_create_file("i915_panel_timings", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula 2020-02-11 2223 connector, &i915_panel_fops);
926b005cd8c4e3 Jani Nikula 2020-02-11 2224 debugfs_create_file("i915_psr_sink_status", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula 2020-02-11 2225 connector, &i915_psr_sink_status_fops);
926b005cd8c4e3 Jani Nikula 2020-02-11 2226 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2227
926b005cd8c4e3 Jani Nikula 2020-02-11 2228 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
926b005cd8c4e3 Jani Nikula 2020-02-11 2229 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
926b005cd8c4e3 Jani Nikula 2020-02-11 2230 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
926b005cd8c4e3 Jani Nikula 2020-02-11 2231 debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
926b005cd8c4e3 Jani Nikula 2020-02-11 2232 connector, &i915_hdcp_sink_capability_fops);
926b005cd8c4e3 Jani Nikula 2020-02-11 2233 }
926b005cd8c4e3 Jani Nikula 2020-02-11 2234
926b005cd8c4e3 Jani Nikula 2020-02-11 @2235 if (INTEL_GEN(dev_priv) >= 10 &&
:::::: The code at line 2235 was first introduced by commit
:::::: 926b005cd8c4e325ab918edea0fbdd1d25d1ba28 drm/i915: split out display debugfs to a separate file
:::::: TO: Jani Nikula <jani.nikula at intel.com>
:::::: CC: Jani Nikula <jani.nikula at intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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