diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 668 |
1 files changed, 655 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index e5a6d9115949..8cd646eef096 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -49,6 +49,10 @@ struct dmub_debugfs_trace_entry { uint32_t param1; }; +static inline const char *yesno(bool v) +{ + return v ? "yes" : "no"; +} /* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array * @@ -107,7 +111,6 @@ static int parse_write_buffer_into_params(char *wr_buf, uint32_t wr_buf_size, if (*param_nums > max_param_num) *param_nums = max_param_num; -; wr_buf_ptr = wr_buf; /* reset buf pointer */ wr_buf_count = 0; /* number of char already checked */ @@ -261,7 +264,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, if (!wr_buf) return -ENOSPC; - if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + if (parse_write_buffer_into_params(wr_buf, size, (long *)param, buf, max_param_num, ¶m_nums)) { @@ -420,7 +423,7 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, if (!wr_buf) return -ENOSPC; - if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + if (parse_write_buffer_into_params(wr_buf, size, (long *)param, buf, max_param_num, ¶m_nums)) { @@ -572,7 +575,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us if (!wr_buf) return -ENOSPC; - if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + if (parse_write_buffer_into_params(wr_buf, size, (long *)param, buf, max_param_num, ¶m_nums)) { @@ -905,7 +908,7 @@ static ssize_t dp_dpcd_address_write(struct file *f, const char __user *buf, struct amdgpu_dm_connector *connector = file_inode(f)->i_private; if (size < sizeof(connector->debugfs_dpcd_address)) - return 0; + return -EINVAL; r = copy_from_user(&connector->debugfs_dpcd_address, buf, sizeof(connector->debugfs_dpcd_address)); @@ -920,7 +923,7 @@ static ssize_t dp_dpcd_size_write(struct file *f, const char __user *buf, struct amdgpu_dm_connector *connector = file_inode(f)->i_private; if (size < sizeof(connector->debugfs_dpcd_size)) - return 0; + return -EINVAL; r = copy_from_user(&connector->debugfs_dpcd_size, buf, sizeof(connector->debugfs_dpcd_size)); @@ -940,8 +943,8 @@ static ssize_t dp_dpcd_data_write(struct file *f, const char __user *buf, struct dc_link *link = connector->dc_link; uint32_t write_size = connector->debugfs_dpcd_size; - if (size < write_size) - return 0; + if (!write_size || size < write_size) + return -EINVAL; data = kzalloc(write_size, GFP_KERNEL); if (!data) @@ -964,7 +967,7 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf, struct dc_link *link = connector->dc_link; uint32_t read_size = connector->debugfs_dpcd_size; - if (size < read_size) + if (!read_size || size < read_size) return 0; data = kzalloc(read_size, GFP_KERNEL); @@ -980,6 +983,190 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf, return read_size - r; } +/* function: Read link's DSC & FEC capabilities + * + * + * Access it with the following command (you need to specify + * connector like DP-1): + * + * cat /sys/kernel/debug/dri/0/DP-X/dp_dsc_fec_support + * + */ +static int dp_dsc_fec_support_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct drm_modeset_acquire_ctx ctx; + struct drm_device *dev = connector->dev; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + int ret = 0; + bool try_again = false; + bool is_fec_supported = false; + bool is_dsc_supported = false; + struct dpcd_caps dpcd_caps; + + drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); + do { + try_again = false; + ret = drm_modeset_lock(&dev->mode_config.connection_mutex, &ctx); + if (ret) { + if (ret == -EDEADLK) { + ret = drm_modeset_backoff(&ctx); + if (!ret) { + try_again = true; + continue; + } + } + break; + } + if (connector->status != connector_status_connected) { + ret = -ENODEV; + break; + } + dpcd_caps = aconnector->dc_link->dpcd_caps; + if (aconnector->port) { + /* aconnector sets dsc_aux during get_modes call + * if MST connector has it means it can either + * enable DSC on the sink device or on MST branch + * its connected to. + */ + if (aconnector->dsc_aux) { + is_fec_supported = true; + is_dsc_supported = true; + } + } else { + is_fec_supported = dpcd_caps.fec_cap.raw & 0x1; + is_dsc_supported = dpcd_caps.dsc_caps.dsc_basic_caps.raw[0] & 0x1; + } + } while (try_again); + + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); + + seq_printf(m, "FEC_Sink_Support: %s\n", yesno(is_fec_supported)); + seq_printf(m, "DSC_Sink_Support: %s\n", yesno(is_dsc_supported)); + + return ret; +} + +/* function: Trigger virtual HPD redetection on connector + * + * This function will perform link rediscovery, link disable + * and enable, and dm connector state update. + * + * Retrigger HPD on an existing connector by echoing 1 into + * its respectful "trigger_hotplug" debugfs entry: + * + * echo 1 > /sys/kernel/debug/dri/0/DP-X/trigger_hotplug + * + * This function can perform HPD unplug: + * + * echo 0 > /sys/kernel/debug/dri/0/DP-X/trigger_hotplug + * + */ +static ssize_t dp_trigger_hotplug(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct drm_connector *connector = &aconnector->base; + struct dc_link *link = NULL; + struct drm_device *dev = connector->dev; + enum dc_connection_type new_connection_type = dc_connection_none; + char *wr_buf = NULL; + uint32_t wr_buf_size = 42; + int max_param_num = 1; + long param[1] = {0}; + uint8_t param_nums = 0; + + if (!aconnector || !aconnector->dc_link) + return -EINVAL; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + + if (!wr_buf) { + DRM_DEBUG_DRIVER("no memory to allocate write buffer\n"); + return -ENOSPC; + } + + if (parse_write_buffer_into_params(wr_buf, size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + DRM_DEBUG_DRIVER("user data not be read\n"); + kfree(wr_buf); + return -EINVAL; + } + + if (param[0] == 1) { + mutex_lock(&aconnector->hpd_lock); + + if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type) && + new_connection_type != dc_connection_none) + goto unlock; + + if (!dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) + goto unlock; + + amdgpu_dm_update_connector_after_detect(aconnector); + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); + } else if (param[0] == 0) { + if (!aconnector->dc_link) + goto unlock; + + link = aconnector->dc_link; + + if (link->local_sink) { + dc_sink_release(link->local_sink); + link->local_sink = NULL; + } + + link->dpcd_sink_count = 0; + link->type = dc_connection_none; + link->dongle_max_pix_clk = 0; + + amdgpu_dm_update_connector_after_detect(aconnector); + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); + } + +unlock: + mutex_unlock(&aconnector->hpd_lock); + + kfree(wr_buf); + return size; +} + +/* function: read DSC status on the connector + * + * The read function: dp_dsc_clock_en_read + * returns current status of DSC clock on the connector. + * The return is a boolean flag: 1 or 0. + * + * Access it with the following command (you need to specify + * connector like DP-1): + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_clock_en + * + * Expected output: + * 1 - means that DSC is currently enabled + * 0 - means that DSC is disabled + */ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1037,6 +1224,105 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, return result; } +/* function: write force DSC on the connector + * + * The write function: dp_dsc_clock_en_write + * enables to force DSC on the connector. + * User can write to either force enable or force disable DSC + * on the next modeset or set it to driver default + * + * Accepted inputs: + * 0 - default DSC enablement policy + * 1 - force enable DSC on the connector + * 2 - force disable DSC on the connector (might cause fail in atomic_check) + * + * Writing DSC settings is done with the following command: + * - To force enable DSC (you need to specify + * connector like DP-1): + * + * echo 0x1 > /sys/kernel/debug/dri/0/DP-X/dsc_clock_en + * + * - To return to default state set the flag to zero and + * let driver deal with DSC automatically + * (you need to specify connector like DP-1): + * + * echo 0x0 > /sys/kernel/debug/dri/0/DP-X/dsc_clock_en + * + */ +static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct pipe_ctx *pipe_ctx; + int i; + char *wr_buf = NULL; + uint32_t wr_buf_size = 42; + int max_param_num = 1; + long param[1] = {0}; + uint8_t param_nums = 0; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + + if (!wr_buf) { + DRM_DEBUG_DRIVER("no memory to allocate write buffer\n"); + return -ENOSPC; + } + + if (parse_write_buffer_into_params(wr_buf, size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + DRM_DEBUG_DRIVER("user data not be read\n"); + kfree(wr_buf); + return -EINVAL; + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; + } + + if (!pipe_ctx || !pipe_ctx->stream) + goto done; + + if (param[0] == 1) + aconnector->dsc_settings.dsc_force_enable = DSC_CLK_FORCE_ENABLE; + else if (param[0] == 2) + aconnector->dsc_settings.dsc_force_enable = DSC_CLK_FORCE_DISABLE; + else + aconnector->dsc_settings.dsc_force_enable = DSC_CLK_FORCE_DEFAULT; + +done: + kfree(wr_buf); + return size; +} + +/* function: read DSC slice width parameter on the connector + * + * The read function: dp_dsc_slice_width_read + * returns dsc slice width used in the current configuration + * The return is an integer: 0 or other positive number + * + * Access the status with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_slice_width + * + * 0 - means that DSC is disabled + * + * Any other number more than zero represents the + * slice width currently used by DSC in pixels + * + */ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1094,6 +1380,103 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, return result; } +/* function: write DSC slice width parameter + * + * The write function: dp_dsc_slice_width_write + * overwrites automatically generated DSC configuration + * of slice width. + * + * The user has to write the slice width divisible by the + * picture width. + * + * Also the user has to write width in hexidecimal + * rather than in decimal. + * + * Writing DSC settings is done with the following command: + * - To force overwrite slice width: (example sets to 1920 pixels) + * + * echo 0x780 > /sys/kernel/debug/dri/0/DP-X/dsc_slice_width + * + * - To stop overwriting and let driver find the optimal size, + * set the width to zero: + * + * echo 0x0 > /sys/kernel/debug/dri/0/DP-X/dsc_slice_width + * + */ +static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct pipe_ctx *pipe_ctx; + int i; + char *wr_buf = NULL; + uint32_t wr_buf_size = 42; + int max_param_num = 1; + long param[1] = {0}; + uint8_t param_nums = 0; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + + if (!wr_buf) { + DRM_DEBUG_DRIVER("no memory to allocate write buffer\n"); + return -ENOSPC; + } + + if (parse_write_buffer_into_params(wr_buf, size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + DRM_DEBUG_DRIVER("user data not be read\n"); + kfree(wr_buf); + return -EINVAL; + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; + } + + if (!pipe_ctx || !pipe_ctx->stream) + goto done; + + if (param[0] > 0) + aconnector->dsc_settings.dsc_num_slices_h = DIV_ROUND_UP( + pipe_ctx->stream->timing.h_addressable, + param[0]); + else + aconnector->dsc_settings.dsc_num_slices_h = 0; + +done: + kfree(wr_buf); + return size; +} + +/* function: read DSC slice height parameter on the connector + * + * The read function: dp_dsc_slice_height_read + * returns dsc slice height used in the current configuration + * The return is an integer: 0 or other positive number + * + * Access the status with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_slice_height + * + * 0 - means that DSC is disabled + * + * Any other number more than zero represents the + * slice height currently used by DSC in pixels + * + */ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1151,6 +1534,99 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, return result; } +/* function: write DSC slice height parameter + * + * The write function: dp_dsc_slice_height_write + * overwrites automatically generated DSC configuration + * of slice height. + * + * The user has to write the slice height divisible by the + * picture height. + * + * Also the user has to write height in hexidecimal + * rather than in decimal. + * + * Writing DSC settings is done with the following command: + * - To force overwrite slice height (example sets to 128 pixels): + * + * echo 0x80 > /sys/kernel/debug/dri/0/DP-X/dsc_slice_height + * + * - To stop overwriting and let driver find the optimal size, + * set the height to zero: + * + * echo 0x0 > /sys/kernel/debug/dri/0/DP-X/dsc_slice_height + * + */ +static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct pipe_ctx *pipe_ctx; + int i; + char *wr_buf = NULL; + uint32_t wr_buf_size = 42; + int max_param_num = 1; + uint8_t param_nums = 0; + long param[1] = {0}; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + + if (!wr_buf) { + DRM_DEBUG_DRIVER("no memory to allocate write buffer\n"); + return -ENOSPC; + } + + if (parse_write_buffer_into_params(wr_buf, size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + DRM_DEBUG_DRIVER("user data not be read\n"); + kfree(wr_buf); + return -EINVAL; + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; + } + + if (!pipe_ctx || !pipe_ctx->stream) + goto done; + + if (param[0] > 0) + aconnector->dsc_settings.dsc_num_slices_v = DIV_ROUND_UP( + pipe_ctx->stream->timing.v_addressable, + param[0]); + else + aconnector->dsc_settings.dsc_num_slices_v = 0; + +done: + kfree(wr_buf); + return size; +} + +/* function: read DSC target rate on the connector in bits per pixel + * + * The read function: dp_dsc_bits_per_pixel_read + * returns target rate of compression in bits per pixel + * The return is an integer: 0 or other positive integer + * + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_bits_per_pixel + * + * 0 - means that DSC is disabled + */ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1208,6 +1684,94 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, return result; } +/* function: write DSC target rate in bits per pixel + * + * The write function: dp_dsc_bits_per_pixel_write + * overwrites automatically generated DSC configuration + * of DSC target bit rate. + * + * Also the user has to write bpp in hexidecimal + * rather than in decimal. + * + * Writing DSC settings is done with the following command: + * - To force overwrite rate (example sets to 256 bpp x 1/16): + * + * echo 0x100 > /sys/kernel/debug/dri/0/DP-X/dsc_bits_per_pixel + * + * - To stop overwriting and let driver find the optimal rate, + * set the rate to zero: + * + * echo 0x0 > /sys/kernel/debug/dri/0/DP-X/dsc_bits_per_pixel + * + */ +static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct pipe_ctx *pipe_ctx; + int i; + char *wr_buf = NULL; + uint32_t wr_buf_size = 42; + int max_param_num = 1; + uint8_t param_nums = 0; + long param[1] = {0}; + + if (size == 0) + return -EINVAL; + + wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); + + if (!wr_buf) { + DRM_DEBUG_DRIVER("no memory to allocate write buffer\n"); + return -ENOSPC; + } + + if (parse_write_buffer_into_params(wr_buf, size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { + kfree(wr_buf); + return -EINVAL; + } + + if (param_nums <= 0) { + DRM_DEBUG_DRIVER("user data not be read\n"); + kfree(wr_buf); + return -EINVAL; + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && + pipe_ctx->stream->link == aconnector->dc_link) + break; + } + + if (!pipe_ctx || !pipe_ctx->stream) + goto done; + + aconnector->dsc_settings.dsc_bits_per_pixel = param[0]; + +done: + kfree(wr_buf); + return size; +} + +/* function: read DSC picture width parameter on the connector + * + * The read function: dp_dsc_pic_width_read + * returns dsc picture width used in the current configuration + * It is the same as h_addressable of the current + * display's timing + * The return is an integer: 0 or other positive integer + * If 0 then DSC is disabled. + * + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_pic_width + * + * 0 - means that DSC is disabled + */ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1322,6 +1886,21 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, return result; } +/* function: read DSC chunk size parameter on the connector + * + * The read function: dp_dsc_chunk_size_read + * returns dsc chunk size set in the current configuration + * The value is calculated automatically by DSC code + * and depends on slice parameters and bpp target rate + * The return is an integer: 0 or other positive integer + * If 0 then DSC is disabled. + * + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_chunk_size + * + * 0 - means that DSC is disabled + */ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1379,6 +1958,21 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, return result; } +/* function: read DSC slice bpg offset on the connector + * + * The read function: dp_dsc_slice_bpg_offset_read + * returns dsc bpg slice offset set in the current configuration + * The value is calculated automatically by DSC code + * and depends on slice parameters and bpp target rate + * The return is an integer: 0 or other positive integer + * If 0 then DSC is disabled. + * + * Access it with the following command: + * + * cat /sys/kernel/debug/dri/0/DP-X/dsc_slice_bpg_offset + * + * 0 - means that DSC is disabled + */ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -1436,6 +2030,7 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, return result; } +DEFINE_SHOW_ATTRIBUTE(dp_dsc_fec_support); DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); DEFINE_SHOW_ATTRIBUTE(output_bpc); @@ -1446,24 +2041,28 @@ DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); static const struct file_operations dp_dsc_clock_en_debugfs_fops = { .owner = THIS_MODULE, .read = dp_dsc_clock_en_read, + .write = dp_dsc_clock_en_write, .llseek = default_llseek }; static const struct file_operations dp_dsc_slice_width_debugfs_fops = { .owner = THIS_MODULE, .read = dp_dsc_slice_width_read, + .write = dp_dsc_slice_width_write, .llseek = default_llseek }; static const struct file_operations dp_dsc_slice_height_debugfs_fops = { .owner = THIS_MODULE, .read = dp_dsc_slice_height_read, + .write = dp_dsc_slice_height_write, .llseek = default_llseek }; static const struct file_operations dp_dsc_bits_per_pixel_debugfs_fops = { .owner = THIS_MODULE, .read = dp_dsc_bits_per_pixel_read, + .write = dp_dsc_bits_per_pixel_write, .llseek = default_llseek }; @@ -1491,6 +2090,12 @@ static const struct file_operations dp_dsc_slice_bpg_offset_debugfs_fops = { .llseek = default_llseek }; +static const struct file_operations dp_trigger_hotplug_debugfs_fops = { + .owner = THIS_MODULE, + .write = dp_trigger_hotplug, + .llseek = default_llseek +}; + static const struct file_operations dp_link_settings_debugfs_fops = { .owner = THIS_MODULE, .read = dp_link_settings_read, @@ -1541,6 +2146,7 @@ static const struct { const struct file_operations *fops; } dp_debugfs_entries[] = { {"link_settings", &dp_link_settings_debugfs_fops}, + {"trigger_hotplug", &dp_trigger_hotplug_debugfs_fops}, {"phy_settings", &dp_phy_settings_debugfs_fop}, {"test_pattern", &dp_phy_test_pattern_fops}, #ifdef CONFIG_DRM_AMD_DC_HDCP @@ -1557,7 +2163,8 @@ static const struct { {"dsc_pic_width", &dp_dsc_pic_width_debugfs_fops}, {"dsc_pic_height", &dp_dsc_pic_height_debugfs_fops}, {"dsc_chunk_size", &dp_dsc_chunk_size_debugfs_fops}, - {"dsc_slice_bpg", &dp_dsc_slice_bpg_offset_debugfs_fops} + {"dsc_slice_bpg", &dp_dsc_slice_bpg_offset_debugfs_fops}, + {"dp_dsc_fec_support", &dp_dsc_fec_support_fops} }; #ifdef CONFIG_DRM_AMD_DC_HDCP @@ -1721,7 +2328,7 @@ static int current_backlight_read(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *)m->private; struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_display_manager *dm = &adev->dm; unsigned int backlight = dc_link_get_backlight_level(dm->backlight_link); @@ -1739,7 +2346,7 @@ static int target_backlight_read(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *)m->private; struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_display_manager *dm = &adev->dm; unsigned int backlight = dc_link_get_target_backlight_pwm(dm->backlight_link); @@ -1778,6 +2385,38 @@ static const struct drm_info_list amdgpu_dm_debugfs_list[] = { }; /* + * Sets the force_timing_sync debug optino from the given string. + * All connected displays will be force synchronized immediately. + * Usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_force_timing_sync + */ +static int force_timing_sync_set(void *data, u64 val) +{ + struct amdgpu_device *adev = data; + + adev->dm.force_timing_sync = (bool)val; + + amdgpu_dm_trigger_timing_sync(adev_to_drm(adev)); + + return 0; +} + +/* + * Gets the force_timing_sync debug option value into the given buffer. + * Usage: cat /sys/kernel/debug/dri/0/amdgpu_dm_force_timing_sync + */ +static int force_timing_sync_get(void *data, u64 *val) +{ + struct amdgpu_device *adev = data; + + *val = adev->dm.force_timing_sync; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(force_timing_sync_ops, force_timing_sync_get, + force_timing_sync_set, "%llu\n"); + +/* * Sets the DC visual confirm debug option from the given string. * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_visual_confirm */ @@ -1815,7 +2454,7 @@ int dtn_debugfs_init(struct amdgpu_device *adev) .llseek = default_llseek }; - struct drm_minor *minor = adev->ddev->primary; + struct drm_minor *minor = adev_to_drm(adev)->primary; struct dentry *root = minor->debugfs_root; int ret; @@ -1836,5 +2475,8 @@ int dtn_debugfs_init(struct amdgpu_device *adev) debugfs_create_file_unsafe("amdgpu_dm_dmub_fw_state", 0644, root, adev, &dmub_fw_state_fops); + debugfs_create_file_unsafe("amdgpu_dm_force_timing_sync", 0644, root, + adev, &force_timing_sync_ops); + return 0; } |