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 | 800 |
1 files changed, 646 insertions, 154 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 1d692f4f42f3..e5a6d9115949 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 @@ -33,6 +33,9 @@ #include "amdgpu_dm_debugfs.h" #include "dm_helpers.h" #include "dmub/dmub_srv.h" +#include "resource.h" +#include "dsc.h" +#include "dc_link_dp.h" struct dmub_debugfs_trace_header { uint32_t entry_count; @@ -46,6 +49,89 @@ struct dmub_debugfs_trace_entry { uint32_t param1; }; + +/* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array + * + * Function takes in attributes passed to debugfs write entry + * and writes into param array. + * The user passes max_param_num to identify maximum number of + * parameters that could be parsed. + * + */ +static int parse_write_buffer_into_params(char *wr_buf, uint32_t wr_buf_size, + long *param, const char __user *buf, + int max_param_num, + uint8_t *param_nums) +{ + char *wr_buf_ptr = NULL; + uint32_t wr_buf_count = 0; + int r; + char *sub_str = NULL; + const char delimiter[3] = {' ', '\n', '\0'}; + uint8_t param_index = 0; + + *param_nums = 0; + + wr_buf_ptr = wr_buf; + + r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + + /* r is bytes not be copied */ + if (r >= wr_buf_size) { + DRM_DEBUG_DRIVER("user data not be read\n"); + return -EINVAL; + } + + /* check number of parameters. isspace could not differ space and \n */ + while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) { + /* skip space*/ + while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + if (wr_buf_count == wr_buf_size) + break; + + /* skip non-space*/ + while ((!isspace(*wr_buf_ptr)) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + (*param_nums)++; + + if (wr_buf_count == wr_buf_size) + break; + } + + 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 */ + + while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { + wr_buf_ptr++; + wr_buf_count++; + } + + while (param_index < *param_nums) { + /* after strsep, wr_buf_ptr will be moved to after space */ + sub_str = strsep(&wr_buf_ptr, delimiter); + + r = kstrtol(sub_str, 16, &(param[param_index])); + + if (r) + DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); + + param_index++; + } + + return 0; +} + /* function description * get/ set DP configuration: lane_count, link_rate, spread_spectrum * @@ -161,15 +247,11 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, struct dc *dc = (struct dc *)link->dc; struct dc_link_settings prefer_link_settings; char *wr_buf = NULL; - char *wr_buf_ptr = NULL; const uint32_t wr_buf_size = 40; - int r; - int bytes_from_user; - char *sub_str; /* 0: lane_count; 1: link_rate */ - uint8_t param_index = 0; + int max_param_num = 2; + uint8_t param_nums = 0; long param[2]; - const char delimiter[3] = {' ', '\n', '\0'}; bool valid_input = false; if (size == 0) @@ -177,35 +259,20 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); if (!wr_buf) - return -EINVAL; - wr_buf_ptr = wr_buf; - - r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + return -ENOSPC; - /* r is bytes not be copied */ - if (r >= wr_buf_size) { + if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { kfree(wr_buf); - DRM_DEBUG_DRIVER("user data not read\n"); return -EINVAL; } - bytes_from_user = wr_buf_size - r; - - while (isspace(*wr_buf_ptr)) - wr_buf_ptr++; - - while ((*wr_buf_ptr != '\0') && (param_index < 2)) { - - sub_str = strsep(&wr_buf_ptr, delimiter); - - r = kstrtol(sub_str, 16, ¶m[param_index]); - - if (r) - DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); - - param_index++; - while (isspace(*wr_buf_ptr)) - wr_buf_ptr++; + if (param_nums <= 0) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return -EINVAL; } switch (param[0]) { @@ -233,7 +300,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, if (!valid_input) { kfree(wr_buf); DRM_DEBUG_DRIVER("Invalid Input value No HW will be programmed\n"); - return bytes_from_user; + return size; } /* save user force lane_count, link_rate to preferred settings @@ -246,7 +313,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf, dc_link_set_preferred_link_settings(dc, &prefer_link_settings, link); kfree(wr_buf); - return bytes_from_user; + return size; } /* function: get current DP PHY settings: voltage swing, pre-emphasis, @@ -337,51 +404,34 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, struct dc_link *link = connector->dc_link; struct dc *dc = (struct dc *)link->dc; char *wr_buf = NULL; - char *wr_buf_ptr = NULL; uint32_t wr_buf_size = 40; - int r; - int bytes_from_user; - char *sub_str; - uint8_t param_index = 0; long param[3]; - const char delimiter[3] = {' ', '\n', '\0'}; bool use_prefer_link_setting; struct link_training_settings link_lane_settings; + int max_param_num = 3; + uint8_t param_nums = 0; + int r = 0; + if (size == 0) - return 0; + return -EINVAL; wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); if (!wr_buf) - return 0; - wr_buf_ptr = wr_buf; - - r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); + return -ENOSPC; - /* r is bytes not be copied */ - if (r >= wr_buf_size) { + if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { kfree(wr_buf); - DRM_DEBUG_DRIVER("user data not be read\n"); - return 0; + return -EINVAL; } - bytes_from_user = wr_buf_size - r; - - while (isspace(*wr_buf_ptr)) - wr_buf_ptr++; - - while ((*wr_buf_ptr != '\0') && (param_index < 3)) { - - sub_str = strsep(&wr_buf_ptr, delimiter); - - r = kstrtol(sub_str, 16, ¶m[param_index]); - - if (r) - DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); - - param_index++; - while (isspace(*wr_buf_ptr)) - wr_buf_ptr++; + if (param_nums <= 0) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return -EINVAL; } if ((param[0] > VOLTAGE_SWING_MAX_LEVEL) || @@ -389,7 +439,7 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, (param[2] > POST_CURSOR2_MAX_LEVEL)) { kfree(wr_buf); DRM_DEBUG_DRIVER("Invalid Input No HW will be programmed\n"); - return bytes_from_user; + return size; } /* get link settings: lane count, link rate */ @@ -429,7 +479,7 @@ static ssize_t dp_phy_settings_write(struct file *f, const char __user *buf, dc_link_set_drive_settings(dc, &link_lane_settings, link); kfree(wr_buf); - return bytes_from_user; + return size; } /* function description @@ -496,19 +546,13 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us struct amdgpu_dm_connector *connector = file_inode(f)->i_private; struct dc_link *link = connector->dc_link; char *wr_buf = NULL; - char *wr_buf_ptr = NULL; uint32_t wr_buf_size = 100; - uint32_t wr_buf_count = 0; - int r; - int bytes_from_user; - char *sub_str = NULL; - uint8_t param_index = 0; - uint8_t param_nums = 0; long param[11] = {0x0}; - const char delimiter[3] = {' ', '\n', '\0'}; + int max_param_num = 11; enum dp_test_pattern test_pattern = DP_TEST_PATTERN_UNSUPPORTED; bool disable_hpd = false; bool valid_test_pattern = false; + uint8_t param_nums = 0; /* init with defalut 80bit custom pattern */ uint8_t custom_pattern[10] = { 0x1f, 0x7c, 0xf0, 0xc1, 0x07, @@ -522,70 +566,26 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us int i; if (size == 0) - return 0; + return -EINVAL; wr_buf = kcalloc(wr_buf_size, sizeof(char), GFP_KERNEL); if (!wr_buf) - return 0; - wr_buf_ptr = wr_buf; + return -ENOSPC; - r = copy_from_user(wr_buf_ptr, buf, wr_buf_size); - - /* r is bytes not be copied */ - if (r >= wr_buf_size) { + if (parse_write_buffer_into_params(wr_buf, wr_buf_size, + (long *)param, buf, + max_param_num, + ¶m_nums)) { kfree(wr_buf); - DRM_DEBUG_DRIVER("user data not be read\n"); - return 0; - } - - bytes_from_user = wr_buf_size - r; - - /* check number of parameters. isspace could not differ space and \n */ - while ((*wr_buf_ptr != 0xa) && (wr_buf_count < wr_buf_size)) { - /* skip space*/ - while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { - wr_buf_ptr++; - wr_buf_count++; - } - - if (wr_buf_count == wr_buf_size) - break; - - /* skip non-space*/ - while ((!isspace(*wr_buf_ptr)) && (wr_buf_count < wr_buf_size)) { - wr_buf_ptr++; - wr_buf_count++; - } - - param_nums++; - - if (wr_buf_count == wr_buf_size) - break; + return -EINVAL; } - /* max 11 parameters */ - if (param_nums > 11) - param_nums = 11; - - wr_buf_ptr = wr_buf; /* reset buf pinter */ - wr_buf_count = 0; /* number of char already checked */ - - while (isspace(*wr_buf_ptr) && (wr_buf_count < wr_buf_size)) { - wr_buf_ptr++; - wr_buf_count++; + if (param_nums <= 0) { + kfree(wr_buf); + DRM_DEBUG_DRIVER("user data not be read\n"); + return -EINVAL; } - while (param_index < param_nums) { - /* after strsep, wr_buf_ptr will be moved to after space */ - sub_str = strsep(&wr_buf_ptr, delimiter); - - r = kstrtol(sub_str, 16, ¶m[param_index]); - - if (r) - DRM_DEBUG_DRIVER("string to int convert error code: %d\n", r); - - param_index++; - } test_pattern = param[0]; @@ -618,7 +618,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us if (!valid_test_pattern) { kfree(wr_buf); DRM_DEBUG_DRIVER("Invalid Test Pattern Parameters\n"); - return bytes_from_user; + return size; } if (test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM) { @@ -685,7 +685,7 @@ static ssize_t dp_phy_test_pattern_debugfs_write(struct file *f, const char __us kfree(wr_buf); - return bytes_from_user; + return size; } /** @@ -820,24 +820,6 @@ unlock: return res; } -/* - * Returns the min and max vrr vfreq through the connector's debugfs file. - * Example usage: cat /sys/kernel/debug/dri/0/DP-1/vrr_range - */ -static int vrr_range_show(struct seq_file *m, void *data) -{ - struct drm_connector *connector = m->private; - struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); - - if (connector->status != connector_status_connected) - return -ENODEV; - - seq_printf(m, "Min: %u\n", (unsigned int)aconnector->min_vfreq); - seq_printf(m, "Max: %u\n", (unsigned int)aconnector->max_vfreq); - - return 0; -} - #ifdef CONFIG_DRM_AMD_DC_HDCP /* * Returns the HDCP capability of the Display (1.4 for now). @@ -859,8 +841,8 @@ static int hdcp_sink_capability_show(struct seq_file *m, void *data) seq_printf(m, "%s:%d HDCP version: ", connector->name, connector->base.id); - hdcp_cap = dc_link_is_hdcp14(aconnector->dc_link); - hdcp2_cap = dc_link_is_hdcp22(aconnector->dc_link); + hdcp_cap = dc_link_is_hdcp14(aconnector->dc_link, aconnector->dc_sink->sink_signal); + hdcp2_cap = dc_link_is_hdcp22(aconnector->dc_link, aconnector->dc_sink->sink_signal); if (hdcp_cap) @@ -998,14 +980,517 @@ static ssize_t dp_dpcd_data_read(struct file *f, char __user *buf, return read_size - r; } +static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 10; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_clock_en); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_slice_width); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_slice_height); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_bits_per_pixel); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_pic_width); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_pic_height); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_chunk_size); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + +static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + char *rd_buf = NULL; + char *rd_buf_ptr = NULL; + struct amdgpu_dm_connector *aconnector = file_inode(f)->i_private; + struct display_stream_compressor *dsc; + struct dcn_dsc_state dsc_state = {0}; + const uint32_t rd_buf_size = 100; + struct pipe_ctx *pipe_ctx; + ssize_t result = 0; + int i, r, str_len = 30; + + rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL); + + if (!rd_buf) + return -ENOMEM; + + rd_buf_ptr = rd_buf; + + 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) + return -ENXIO; + + dsc = pipe_ctx->stream_res.dsc; + if (dsc) + dsc->funcs->dsc_read_state(dsc, &dsc_state); + + snprintf(rd_buf_ptr, str_len, + "%d\n", + dsc_state.dsc_slice_bpg_offset); + rd_buf_ptr += str_len; + + while (size) { + if (*pos >= rd_buf_size) + break; + + r = put_user(*(rd_buf + result), buf); + if (r) + return r; /* r = -EFAULT */ + + buf += 1; + size -= 1; + *pos += 1; + result += 1; + } + + kfree(rd_buf); + return result; +} + DEFINE_SHOW_ATTRIBUTE(dmub_fw_state); DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); DEFINE_SHOW_ATTRIBUTE(output_bpc); -DEFINE_SHOW_ATTRIBUTE(vrr_range); #ifdef CONFIG_DRM_AMD_DC_HDCP DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); #endif +static const struct file_operations dp_dsc_clock_en_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_clock_en_read, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_slice_width_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_slice_width_read, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_slice_height_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_slice_height_read, + .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, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_pic_width_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_pic_width_read, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_pic_height_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_pic_height_read, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_chunk_size_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_chunk_size_read, + .llseek = default_llseek +}; + +static const struct file_operations dp_dsc_slice_bpg_offset_debugfs_fops = { + .owner = THIS_MODULE, + .read = dp_dsc_slice_bpg_offset_read, + .llseek = default_llseek +}; + static const struct file_operations dp_link_settings_debugfs_fops = { .owner = THIS_MODULE, .read = dp_link_settings_read, @@ -1058,14 +1543,21 @@ static const struct { {"link_settings", &dp_link_settings_debugfs_fops}, {"phy_settings", &dp_phy_settings_debugfs_fop}, {"test_pattern", &dp_phy_test_pattern_fops}, - {"vrr_range", &vrr_range_fops}, #ifdef CONFIG_DRM_AMD_DC_HDCP {"hdcp_sink_capability", &hdcp_sink_capability_fops}, #endif {"sdp_message", &sdp_message_fops}, {"aux_dpcd_address", &dp_dpcd_address_debugfs_fops}, {"aux_dpcd_size", &dp_dpcd_size_debugfs_fops}, - {"aux_dpcd_data", &dp_dpcd_data_debugfs_fops} + {"aux_dpcd_data", &dp_dpcd_data_debugfs_fops}, + {"dsc_clock_en", &dp_dsc_clock_en_debugfs_fops}, + {"dsc_slice_width", &dp_dsc_slice_width_debugfs_fops}, + {"dsc_slice_height", &dp_dsc_slice_height_debugfs_fops}, + {"dsc_bits_per_pixel", &dp_dsc_bits_per_pixel_debugfs_fops}, + {"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} }; #ifdef CONFIG_DRM_AMD_DC_HDCP |