diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_panel.c')
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.c | 254 |
1 files changed, 127 insertions, 127 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 6ff6c9ef351ff..5d7eaa31bf317 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -14,52 +14,52 @@ #define DP_MAX_NUM_DP_LANES 4 #define DP_LINK_RATE_HBR2 540000 /* kbytes */ -struct dp_panel_private { +struct msm_dp_panel_private { struct device *dev; struct drm_device *drm_dev; - struct dp_panel dp_panel; + struct msm_dp_panel msm_dp_panel; struct drm_dp_aux *aux; - struct dp_link *link; - struct dp_catalog *catalog; + struct msm_dp_link *link; + struct msm_dp_catalog *catalog; bool panel_on; }; -static void dp_panel_read_psr_cap(struct dp_panel_private *panel) +static void msm_dp_panel_read_psr_cap(struct msm_dp_panel_private *panel) { ssize_t rlen; - struct dp_panel *dp_panel; + struct msm_dp_panel *msm_dp_panel; - dp_panel = &panel->dp_panel; + msm_dp_panel = &panel->msm_dp_panel; /* edp sink */ - if (dp_panel->dpcd[DP_EDP_CONFIGURATION_CAP]) { + if (msm_dp_panel->dpcd[DP_EDP_CONFIGURATION_CAP]) { rlen = drm_dp_dpcd_read(panel->aux, DP_PSR_SUPPORT, - &dp_panel->psr_cap, sizeof(dp_panel->psr_cap)); - if (rlen == sizeof(dp_panel->psr_cap)) { + &msm_dp_panel->psr_cap, sizeof(msm_dp_panel->psr_cap)); + if (rlen == sizeof(msm_dp_panel->psr_cap)) { drm_dbg_dp(panel->drm_dev, "psr version: 0x%x, psr_cap: 0x%x\n", - dp_panel->psr_cap.version, - dp_panel->psr_cap.capabilities); + msm_dp_panel->psr_cap.version, + msm_dp_panel->psr_cap.capabilities); } else DRM_ERROR("failed to read psr info, rlen=%zd\n", rlen); } } -static int dp_panel_read_dpcd(struct dp_panel *dp_panel) +static int msm_dp_panel_read_dpcd(struct msm_dp_panel *msm_dp_panel) { int rc; - struct dp_panel_private *panel; - struct dp_link_info *link_info; + struct msm_dp_panel_private *panel; + struct msm_dp_link_info *link_info; u8 *dpcd, major, minor; - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); - dpcd = dp_panel->dpcd; + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); + dpcd = msm_dp_panel->dpcd; rc = drm_dp_read_dpcd_caps(panel->aux, dpcd); if (rc) return rc; - dp_panel->vsc_sdp_supported = drm_dp_vsc_sdp_supported(panel->aux, dpcd); - link_info = &dp_panel->link_info; + msm_dp_panel->vsc_sdp_supported = drm_dp_vsc_sdp_supported(panel->aux, dpcd); + link_info = &msm_dp_panel->link_info; link_info->revision = dpcd[DP_DPCD_REV]; major = (link_info->revision >> 4) & 0x0f; minor = link_info->revision & 0x0f; @@ -68,12 +68,12 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel) link_info->num_lanes = drm_dp_max_lane_count(dpcd); /* Limit data lanes from data-lanes of endpoint property of dtsi */ - if (link_info->num_lanes > dp_panel->max_dp_lanes) - link_info->num_lanes = dp_panel->max_dp_lanes; + if (link_info->num_lanes > msm_dp_panel->max_dp_lanes) + link_info->num_lanes = msm_dp_panel->max_dp_lanes; /* Limit link rate from link-frequencies of endpoint property of dtsi */ - if (link_info->rate > dp_panel->max_dp_link_rate) - link_info->rate = dp_panel->max_dp_link_rate; + if (link_info->rate > msm_dp_panel->max_dp_link_rate) + link_info->rate = msm_dp_panel->max_dp_link_rate; drm_dbg_dp(panel->drm_dev, "version: %d.%d\n", major, minor); drm_dbg_dp(panel->drm_dev, "link_rate=%d\n", link_info->rate); @@ -82,21 +82,21 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel) if (drm_dp_enhanced_frame_cap(dpcd)) link_info->capabilities |= DP_LINK_CAP_ENHANCED_FRAMING; - dp_panel_read_psr_cap(panel); + msm_dp_panel_read_psr_cap(panel); return rc; } -static u32 dp_panel_get_supported_bpp(struct dp_panel *dp_panel, +static u32 msm_dp_panel_get_supported_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_edid_bpp, u32 mode_pclk_khz) { - const struct dp_link_info *link_info; + const struct msm_dp_link_info *link_info; const u32 max_supported_bpp = 30, min_supported_bpp = 18; u32 bpp, data_rate_khz; bpp = min(mode_edid_bpp, max_supported_bpp); - link_info = &dp_panel->link_info; + link_info = &msm_dp_panel->link_info; data_rate_khz = link_info->num_lanes * link_info->rate * 8; do { @@ -108,39 +108,39 @@ static u32 dp_panel_get_supported_bpp(struct dp_panel *dp_panel, return min_supported_bpp; } -int dp_panel_read_sink_caps(struct dp_panel *dp_panel, +int msm_dp_panel_read_sink_caps(struct msm_dp_panel *msm_dp_panel, struct drm_connector *connector) { int rc, bw_code; int count; - struct dp_panel_private *panel; + struct msm_dp_panel_private *panel; - if (!dp_panel || !connector) { + if (!msm_dp_panel || !connector) { DRM_ERROR("invalid input\n"); return -EINVAL; } - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); drm_dbg_dp(panel->drm_dev, "max_lanes=%d max_link_rate=%d\n", - dp_panel->max_dp_lanes, dp_panel->max_dp_link_rate); + msm_dp_panel->max_dp_lanes, msm_dp_panel->max_dp_link_rate); - rc = dp_panel_read_dpcd(dp_panel); + rc = msm_dp_panel_read_dpcd(msm_dp_panel); if (rc) { DRM_ERROR("read dpcd failed %d\n", rc); return rc; } - bw_code = drm_dp_link_rate_to_bw_code(dp_panel->link_info.rate); + bw_code = drm_dp_link_rate_to_bw_code(msm_dp_panel->link_info.rate); if (!is_link_rate_valid(bw_code) || - !is_lane_count_valid(dp_panel->link_info.num_lanes) || - (bw_code > dp_panel->max_bw_code)) { - DRM_ERROR("Illegal link rate=%d lane=%d\n", dp_panel->link_info.rate, - dp_panel->link_info.num_lanes); + !is_lane_count_valid(msm_dp_panel->link_info.num_lanes) || + (bw_code > msm_dp_panel->max_bw_code)) { + DRM_ERROR("Illegal link rate=%d lane=%d\n", msm_dp_panel->link_info.rate, + msm_dp_panel->link_info.num_lanes); return -EINVAL; } - if (drm_dp_is_branch(dp_panel->dpcd)) { + if (drm_dp_is_branch(msm_dp_panel->dpcd)) { count = drm_dp_read_sink_count(panel->aux); if (!count) { panel->link->sink_count = 0; @@ -148,21 +148,21 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, } } - rc = drm_dp_read_downstream_info(panel->aux, dp_panel->dpcd, - dp_panel->downstream_ports); + rc = drm_dp_read_downstream_info(panel->aux, msm_dp_panel->dpcd, + msm_dp_panel->downstream_ports); if (rc) return rc; - drm_edid_free(dp_panel->drm_edid); + drm_edid_free(msm_dp_panel->drm_edid); - dp_panel->drm_edid = drm_edid_read_ddc(connector, &panel->aux->ddc); + msm_dp_panel->drm_edid = drm_edid_read_ddc(connector, &panel->aux->ddc); - drm_edid_connector_update(connector, dp_panel->drm_edid); + drm_edid_connector_update(connector, msm_dp_panel->drm_edid); - if (!dp_panel->drm_edid) { + if (!msm_dp_panel->drm_edid) { DRM_ERROR("panel edid read failed\n"); /* check edid read fail is due to unplug */ - if (!dp_catalog_link_is_connected(panel->catalog)) { + if (!msm_dp_catalog_link_is_connected(panel->catalog)) { rc = -ETIMEDOUT; goto end; } @@ -172,87 +172,87 @@ end: return rc; } -u32 dp_panel_get_mode_bpp(struct dp_panel *dp_panel, +u32 msm_dp_panel_get_mode_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_edid_bpp, u32 mode_pclk_khz) { - struct dp_panel_private *panel; + struct msm_dp_panel_private *panel; u32 bpp; - if (!dp_panel || !mode_edid_bpp || !mode_pclk_khz) { + if (!msm_dp_panel || !mode_edid_bpp || !mode_pclk_khz) { DRM_ERROR("invalid input\n"); return 0; } - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); - if (dp_panel->video_test) - bpp = dp_link_bit_depth_to_bpp( + if (msm_dp_panel->video_test) + bpp = msm_dp_link_bit_depth_to_bpp( panel->link->test_video.test_bit_depth); else - bpp = dp_panel_get_supported_bpp(dp_panel, mode_edid_bpp, + bpp = msm_dp_panel_get_supported_bpp(msm_dp_panel, mode_edid_bpp, mode_pclk_khz); return bpp; } -int dp_panel_get_modes(struct dp_panel *dp_panel, +int msm_dp_panel_get_modes(struct msm_dp_panel *msm_dp_panel, struct drm_connector *connector) { - if (!dp_panel) { + if (!msm_dp_panel) { DRM_ERROR("invalid input\n"); return -EINVAL; } - if (dp_panel->drm_edid) + if (msm_dp_panel->drm_edid) return drm_edid_connector_add_modes(connector); return 0; } -static u8 dp_panel_get_edid_checksum(const struct edid *edid) +static u8 msm_dp_panel_get_edid_checksum(const struct edid *edid) { edid += edid->extensions; return edid->checksum; } -void dp_panel_handle_sink_request(struct dp_panel *dp_panel) +void msm_dp_panel_handle_sink_request(struct msm_dp_panel *msm_dp_panel) { - struct dp_panel_private *panel; + struct msm_dp_panel_private *panel; - if (!dp_panel) { + if (!msm_dp_panel) { DRM_ERROR("invalid input\n"); return; } - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); if (panel->link->sink_request & DP_TEST_LINK_EDID_READ) { /* FIXME: get rid of drm_edid_raw() */ - const struct edid *edid = drm_edid_raw(dp_panel->drm_edid); + const struct edid *edid = drm_edid_raw(msm_dp_panel->drm_edid); u8 checksum; if (edid) - checksum = dp_panel_get_edid_checksum(edid); + checksum = msm_dp_panel_get_edid_checksum(edid); else - checksum = dp_panel->connector->real_edid_checksum; + checksum = msm_dp_panel->connector->real_edid_checksum; - dp_link_send_edid_checksum(panel->link, checksum); - dp_link_send_test_response(panel->link); + msm_dp_link_send_edid_checksum(panel->link, checksum); + msm_dp_link_send_test_response(panel->link); } } -void dp_panel_tpg_config(struct dp_panel *dp_panel, bool enable) +void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable) { - struct dp_catalog *catalog; - struct dp_panel_private *panel; + struct msm_dp_catalog *catalog; + struct msm_dp_panel_private *panel; - if (!dp_panel) { + if (!msm_dp_panel) { DRM_ERROR("invalid input\n"); return; } - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); catalog = panel->catalog; if (!panel->panel_on) { @@ -262,31 +262,31 @@ void dp_panel_tpg_config(struct dp_panel *dp_panel, bool enable) } if (!enable) { - dp_catalog_panel_tpg_disable(catalog); + msm_dp_catalog_panel_tpg_disable(catalog); return; } drm_dbg_dp(panel->drm_dev, "calling catalog tpg_enable\n"); - dp_catalog_panel_tpg_enable(catalog, &panel->dp_panel.dp_mode.drm_mode); + msm_dp_catalog_panel_tpg_enable(catalog, &panel->msm_dp_panel.msm_dp_mode.drm_mode); } -static int dp_panel_setup_vsc_sdp_yuv_420(struct dp_panel *dp_panel) +static int msm_dp_panel_setup_vsc_sdp_yuv_420(struct msm_dp_panel *msm_dp_panel) { - struct dp_catalog *catalog; - struct dp_panel_private *panel; - struct dp_display_mode *dp_mode; + struct msm_dp_catalog *catalog; + struct msm_dp_panel_private *panel; + struct msm_dp_display_mode *msm_dp_mode; struct drm_dp_vsc_sdp vsc_sdp_data; struct dp_sdp vsc_sdp; ssize_t len; - if (!dp_panel) { + if (!msm_dp_panel) { DRM_ERROR("invalid input\n"); return -EINVAL; } - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); catalog = panel->catalog; - dp_mode = &dp_panel->dp_mode; + msm_dp_mode = &msm_dp_panel->msm_dp_mode; memset(&vsc_sdp_data, 0, sizeof(vsc_sdp_data)); @@ -300,7 +300,7 @@ static int dp_panel_setup_vsc_sdp_yuv_420(struct dp_panel *dp_panel) vsc_sdp_data.colorimetry = DP_COLORIMETRY_DEFAULT; /* VSC SDP Payload for DB17 */ - vsc_sdp_data.bpc = dp_mode->bpp / 3; + vsc_sdp_data.bpc = msm_dp_mode->bpp / 3; vsc_sdp_data.dynamic_range = DP_DYNAMIC_RANGE_CTA; /* VSC SDP Payload for DB18 */ @@ -312,36 +312,36 @@ static int dp_panel_setup_vsc_sdp_yuv_420(struct dp_panel *dp_panel) return len; } - dp_catalog_panel_enable_vsc_sdp(catalog, &vsc_sdp); + msm_dp_catalog_panel_enable_vsc_sdp(catalog, &vsc_sdp); return 0; } -void dp_panel_dump_regs(struct dp_panel *dp_panel) +void msm_dp_panel_dump_regs(struct msm_dp_panel *msm_dp_panel) { - struct dp_catalog *catalog; - struct dp_panel_private *panel; + struct msm_dp_catalog *catalog; + struct msm_dp_panel_private *panel; - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); catalog = panel->catalog; - dp_catalog_dump_regs(catalog); + msm_dp_catalog_dump_regs(catalog); } -int dp_panel_timing_cfg(struct dp_panel *dp_panel) +int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel) { u32 data, total_ver, total_hor; - struct dp_catalog *catalog; - struct dp_panel_private *panel; + struct msm_dp_catalog *catalog; + struct msm_dp_panel_private *panel; struct drm_display_mode *drm_mode; u32 width_blanking; u32 sync_start; - u32 dp_active; + u32 msm_dp_active; u32 total; - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); catalog = panel->catalog; - drm_mode = &panel->dp_panel.dp_mode.drm_mode; + drm_mode = &panel->msm_dp_panel.msm_dp_mode.drm_mode; drm_dbg_dp(panel->drm_dev, "width=%d hporch= %d %d %d\n", drm_mode->hdisplay, drm_mode->htotal - drm_mode->hsync_end, @@ -371,9 +371,9 @@ int dp_panel_timing_cfg(struct dp_panel *dp_panel) data = drm_mode->vsync_end - drm_mode->vsync_start; data <<= 16; - data |= (panel->dp_panel.dp_mode.v_active_low << 31); + data |= (panel->msm_dp_panel.msm_dp_mode.v_active_low << 31); data |= drm_mode->hsync_end - drm_mode->hsync_start; - data |= (panel->dp_panel.dp_mode.h_active_low << 15); + data |= (panel->msm_dp_panel.msm_dp_mode.h_active_low << 15); width_blanking = data; @@ -381,26 +381,26 @@ int dp_panel_timing_cfg(struct dp_panel *dp_panel) data <<= 16; data |= drm_mode->hdisplay; - dp_active = data; + msm_dp_active = data; - dp_catalog_panel_timing_cfg(catalog, total, sync_start, width_blanking, dp_active); + msm_dp_catalog_panel_timing_cfg(catalog, total, sync_start, width_blanking, msm_dp_active); - if (dp_panel->dp_mode.out_fmt_is_yuv_420) - dp_panel_setup_vsc_sdp_yuv_420(dp_panel); + if (msm_dp_panel->msm_dp_mode.out_fmt_is_yuv_420) + msm_dp_panel_setup_vsc_sdp_yuv_420(msm_dp_panel); panel->panel_on = true; return 0; } -int dp_panel_init_panel_info(struct dp_panel *dp_panel) +int msm_dp_panel_init_panel_info(struct msm_dp_panel *msm_dp_panel) { struct drm_display_mode *drm_mode; - struct dp_panel_private *panel; + struct msm_dp_panel_private *panel; - drm_mode = &dp_panel->dp_mode.drm_mode; + drm_mode = &msm_dp_panel->msm_dp_mode.drm_mode; - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); /* * print resolution info as this is a result @@ -421,18 +421,18 @@ int dp_panel_init_panel_info(struct dp_panel *dp_panel) drm_mode->vsync_end - drm_mode->vsync_start); drm_dbg_dp(panel->drm_dev, "pixel clock (KHz)=(%d)\n", drm_mode->clock); - drm_dbg_dp(panel->drm_dev, "bpp = %d\n", dp_panel->dp_mode.bpp); + drm_dbg_dp(panel->drm_dev, "bpp = %d\n", msm_dp_panel->msm_dp_mode.bpp); - dp_panel->dp_mode.bpp = dp_panel_get_mode_bpp(dp_panel, dp_panel->dp_mode.bpp, - dp_panel->dp_mode.drm_mode.clock); + msm_dp_panel->msm_dp_mode.bpp = msm_dp_panel_get_mode_bpp(msm_dp_panel, msm_dp_panel->msm_dp_mode.bpp, + msm_dp_panel->msm_dp_mode.drm_mode.clock); drm_dbg_dp(panel->drm_dev, "updated bpp = %d\n", - dp_panel->dp_mode.bpp); + msm_dp_panel->msm_dp_mode.bpp); return 0; } -static u32 dp_panel_link_frequencies(struct device_node *of_node) +static u32 msm_dp_panel_link_frequencies(struct device_node *of_node) { struct device_node *endpoint; u64 frequency = 0; @@ -456,17 +456,17 @@ static u32 dp_panel_link_frequencies(struct device_node *of_node) return frequency; } -static int dp_panel_parse_dt(struct dp_panel *dp_panel) +static int msm_dp_panel_parse_dt(struct msm_dp_panel *msm_dp_panel) { - struct dp_panel_private *panel; + struct msm_dp_panel_private *panel; struct device_node *of_node; int cnt; - panel = container_of(dp_panel, struct dp_panel_private, dp_panel); + panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel); of_node = panel->dev->of_node; /* - * data-lanes is the property of dp_out endpoint + * data-lanes is the property of msm_dp_out endpoint */ cnt = drm_of_get_data_lanes_count_ep(of_node, 1, 0, 1, DP_MAX_NUM_DP_LANES); if (cnt < 0) { @@ -475,21 +475,21 @@ static int dp_panel_parse_dt(struct dp_panel *dp_panel) } if (cnt > 0) - dp_panel->max_dp_lanes = cnt; + msm_dp_panel->max_dp_lanes = cnt; else - dp_panel->max_dp_lanes = DP_MAX_NUM_DP_LANES; /* 4 lanes */ + msm_dp_panel->max_dp_lanes = DP_MAX_NUM_DP_LANES; /* 4 lanes */ - dp_panel->max_dp_link_rate = dp_panel_link_frequencies(of_node); - if (!dp_panel->max_dp_link_rate) - dp_panel->max_dp_link_rate = DP_LINK_RATE_HBR2; + msm_dp_panel->max_dp_link_rate = msm_dp_panel_link_frequencies(of_node); + if (!msm_dp_panel->max_dp_link_rate) + msm_dp_panel->max_dp_link_rate = DP_LINK_RATE_HBR2; return 0; } -struct dp_panel *dp_panel_get(struct dp_panel_in *in) +struct msm_dp_panel *msm_dp_panel_get(struct msm_dp_panel_in *in) { - struct dp_panel_private *panel; - struct dp_panel *dp_panel; + struct msm_dp_panel_private *panel; + struct msm_dp_panel *msm_dp_panel; int ret; if (!in->dev || !in->catalog || !in->aux || !in->link) { @@ -506,20 +506,20 @@ struct dp_panel *dp_panel_get(struct dp_panel_in *in) panel->catalog = in->catalog; panel->link = in->link; - dp_panel = &panel->dp_panel; - dp_panel->max_bw_code = DP_LINK_BW_8_1; + msm_dp_panel = &panel->msm_dp_panel; + msm_dp_panel->max_bw_code = DP_LINK_BW_8_1; - ret = dp_panel_parse_dt(dp_panel); + ret = msm_dp_panel_parse_dt(msm_dp_panel); if (ret) return ERR_PTR(ret); - return dp_panel; + return msm_dp_panel; } -void dp_panel_put(struct dp_panel *dp_panel) +void msm_dp_panel_put(struct msm_dp_panel *msm_dp_panel) { - if (!dp_panel) + if (!msm_dp_panel) return; - drm_edid_free(dp_panel->drm_edid); + drm_edid_free(msm_dp_panel->drm_edid); } |