diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 731 |
1 files changed, 425 insertions, 306 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f1f3b1bb1e89..7976fec88606 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -27,6 +27,8 @@ #include <linux/export.h> #include <linux/i2c.h> +#include <linux/log2.h> +#include <linux/math.h> #include <linux/notifier.h> #include <linux/seq_buf.h> #include <linux/slab.h> @@ -34,7 +36,6 @@ #include <linux/string_helpers.h> #include <linux/timekeeping.h> #include <linux/types.h> - #include <asm/byteorder.h> #include <drm/display/drm_dp_helper.h> @@ -45,12 +46,11 @@ #include <drm/drm_crtc.h> #include <drm/drm_edid.h> #include <drm/drm_fixed.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include "g4x_dp.h" -#include "i915_drv.h" -#include "i915_irq.h" -#include "i915_reg.h" +#include "i915_utils.h" #include "intel_alpm.h" #include "intel_atomic.h" #include "intel_audio.h" @@ -58,10 +58,13 @@ #include "intel_combo_phy_regs.h" #include "intel_connector.h" #include "intel_crtc.h" +#include "intel_crtc_state_dump.h" #include "intel_cx0_phy.h" #include "intel_ddi.h" #include "intel_de.h" #include "intel_display_driver.h" +#include "intel_display_regs.h" +#include "intel_display_rpm.h" #include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_aux.h" @@ -87,12 +90,10 @@ #include "intel_pfit.h" #include "intel_pps.h" #include "intel_psr.h" -#include "intel_runtime_pm.h" #include "intel_quirks.h" #include "intel_tc.h" #include "intel_vdsc.h" #include "intel_vrr.h" -#include "intel_crtc_state_dump.h" /* DP DSC throughput values used for slice count calculations KPixels/s */ #define DP_DSC_PEAK_PIXEL_RATE 2720000 @@ -172,10 +173,28 @@ int intel_dp_link_symbol_clock(int rate) static int max_dprx_rate(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + int max_rate; + if (intel_dp_tunnel_bw_alloc_is_enabled(intel_dp)) - return drm_dp_tunnel_max_dprx_rate(intel_dp->tunnel); + max_rate = drm_dp_tunnel_max_dprx_rate(intel_dp->tunnel); + else + max_rate = drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]); + + /* + * Some broken eDP sinks illegally declare support for + * HBR3 without TPS4, and are unable to produce a stable + * output. Reject HBR3 when TPS4 is not available. + */ + if (max_rate >= 810000 && !drm_dp_tps4_supported(intel_dp->dpcd)) { + drm_dbg_kms(display->drm, + "[ENCODER:%d:%s] Rejecting HBR3 due to missing TPS4 support\n", + encoder->base.base.id, encoder->base.name); + max_rate = 540000; + } - return drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]); + return max_rate; } static int max_dprx_lane_count(struct intel_dp *intel_dp) @@ -828,7 +847,7 @@ small_joiner_ram_size_bits(struct intel_display *display) return 6144 * 8; } -u32 intel_dp_dsc_nearest_valid_bpp(struct intel_display *display, u32 bpp, u32 pipe_bpp) +static u32 intel_dp_dsc_nearest_valid_bpp(struct intel_display *display, u32 bpp, u32 pipe_bpp) { u32 bits_per_pixel = bpp; int i; @@ -920,6 +939,7 @@ static u32 ultrajoiner_ram_max_bpp(u32 mode_hdisplay) return ultrajoiner_ram_bits() / mode_hdisplay; } +/* TODO: return a bpp_x16 value */ static u32 get_max_compressed_bpp_with_joiner(struct intel_display *display, u32 mode_clock, u32 mode_hdisplay, @@ -936,6 +956,7 @@ u32 get_max_compressed_bpp_with_joiner(struct intel_display *display, return max_bpp; } +/* TODO: return a bpp_x16 value */ u16 intel_dp_dsc_get_max_compressed_bpp(struct intel_display *display, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, @@ -1032,10 +1053,11 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, u8 test_slice_count = valid_dsc_slicecount[i] * num_joined_pipes; /* - * 3 DSC Slices per pipe need 3 DSC engines, - * which is supported only with Ultrajoiner. + * 3 DSC Slices per pipe need 3 DSC engines, which is supported only + * with Ultrajoiner only for some platforms. */ - if (valid_dsc_slicecount[i] == 3 && num_joined_pipes != 4) + if (valid_dsc_slicecount[i] == 3 && + (!HAS_DSC_3ENGINES(display) || num_joined_pipes != 4)) continue; if (test_slice_count > @@ -1075,7 +1097,7 @@ static bool source_can_output(struct intel_dp *intel_dp, /* * No YCbCr output support on gmch platforms. * Also, ILK doesn't seem capable of DP YCbCr output. - * The displayed image is severly corrupted. SNB+ is fine. + * The displayed image is severely corrupted. SNB+ is fine. */ return !HAS_GMCH(display) && !display->platform.ironlake; @@ -1175,7 +1197,7 @@ intel_dp_output_format(struct intel_connector *connector, int intel_dp_min_bpp(enum intel_output_format output_format) { if (output_format == INTEL_OUTPUT_FORMAT_RGB) - return 6 * 3; + return intel_display_min_pipe_bpp(); else return 8 * 3; } @@ -1376,7 +1398,7 @@ bool intel_dp_has_dsc(const struct intel_connector *connector) if (!HAS_DSC(display)) return false; - if (connector->mst_port && !HAS_DSC_MST(display)) + if (connector->mst.dp && !HAS_DSC_MST(display)) return false; if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP && @@ -1391,12 +1413,11 @@ bool intel_dp_has_dsc(const struct intel_connector *connector) static enum drm_mode_status intel_dp_mode_valid(struct drm_connector *_connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { struct intel_display *display = to_intel_display(_connector->dev); struct intel_connector *connector = to_intel_connector(_connector); struct intel_dp *intel_dp = intel_attached_dp(connector); - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); const struct drm_display_mode *fixed_mode; int target_clock = mode->clock; int max_rate, mode_rate, max_lanes, max_link_clock; @@ -1407,7 +1428,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, bool dsc = false; int num_joined_pipes; - status = intel_cpu_transcoder_mode_valid(dev_priv, mode); + status = intel_cpu_transcoder_mode_valid(display, mode); if (status != MODE_OK) return status; @@ -1496,7 +1517,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, if (status != MODE_OK) return status; - return intel_mode_valid_max_plane_size(dev_priv, mode, num_joined_pipes); + return intel_mode_valid_max_plane_size(display, mode, num_joined_pipes); } bool intel_dp_source_supports_tps3(struct intel_display *display) @@ -1585,6 +1606,12 @@ int intel_dp_rate_select(struct intel_dp *intel_dp, int rate) void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, u8 *link_bw, u8 *rate_select) { + struct intel_display *display = to_intel_display(intel_dp); + + /* FIXME g4x can't generate an exact 2.7GHz with the 96MHz non-SSC refclk */ + if (display->platform.g4x && port_clock == 268800) + port_clock = 270000; + /* eDP 1.4 rate select method. */ if (intel_dp->use_rate_select) { *link_bw = 0; @@ -1791,7 +1818,7 @@ int intel_dp_dsc_max_src_input_bpc(struct intel_display *display) if (DISPLAY_VER(display) == 11) return 10; - return 0; + return intel_dp_dsc_min_src_input_bpc(); } int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, @@ -1926,7 +1953,7 @@ static bool intel_dp_dsc_supports_format(const struct intel_connector *connector return drm_dp_dsc_sink_supports_format(connector->dp.dsc_dpcd, sink_dsc_format); } -static bool is_bw_sufficient_for_dsc_config(u16 compressed_bppx16, u32 link_clock, +static bool is_bw_sufficient_for_dsc_config(int dsc_bpp_x16, u32 link_clock, u32 lane_count, u32 mode_clock, enum intel_output_format output_format, int timeslots) @@ -1934,15 +1961,16 @@ static bool is_bw_sufficient_for_dsc_config(u16 compressed_bppx16, u32 link_cloc u32 available_bw, required_bw; available_bw = (link_clock * lane_count * timeslots * 16) / 8; - required_bw = compressed_bppx16 * (intel_dp_mode_to_fec_clock(mode_clock)); + required_bw = dsc_bpp_x16 * (intel_dp_mode_to_fec_clock(mode_clock)); return available_bw > required_bw; } static int dsc_compute_link_config(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, - struct link_config_limits *limits, - u16 compressed_bppx16, + struct drm_connector_state *conn_state, + const struct link_config_limits *limits, + int dsc_bpp_x16, int timeslots) { const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; @@ -1957,15 +1985,37 @@ static int dsc_compute_link_config(struct intel_dp *intel_dp, for (lane_count = limits->min_lane_count; lane_count <= limits->max_lane_count; lane_count <<= 1) { - if (!is_bw_sufficient_for_dsc_config(compressed_bppx16, link_rate, - lane_count, adjusted_mode->clock, - pipe_config->output_format, - timeslots)) - continue; + /* + * FIXME: intel_dp_mtp_tu_compute_config() requires + * ->lane_count and ->port_clock set before we know + * they'll work. If we end up failing altogether, + * they'll remain in crtc state. This shouldn't matter, + * as we'd then bail out from compute config, but it's + * just ugly. + */ pipe_config->lane_count = lane_count; pipe_config->port_clock = link_rate; + if (drm_dp_is_uhbr_rate(link_rate)) { + int ret; + + ret = intel_dp_mtp_tu_compute_config(intel_dp, + pipe_config, + conn_state, + dsc_bpp_x16, + dsc_bpp_x16, + 0, true); + if (ret) + continue; + } else { + if (!is_bw_sufficient_for_dsc_config(dsc_bpp_x16, link_rate, + lane_count, adjusted_mode->clock, + pipe_config->output_format, + timeslots)) + continue; + } + return 0; } } @@ -2025,7 +2075,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector pipe_config, bpc) >> 4; } -static int dsc_src_min_compressed_bpp(void) +int intel_dp_dsc_min_src_compressed_bpp(void) { /* Min Compressed bpp supported by source is 8 */ return 8; @@ -2055,125 +2105,109 @@ static int dsc_src_max_compressed_bpp(struct intel_dp *intel_dp) } /* - * From a list of valid compressed bpps try different compressed bpp and find a - * suitable link configuration that can support it. + * Note: for pre-13 display you still need to check the validity of each step. */ -static int -icl_dsc_compute_link_config(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config, - struct link_config_limits *limits, - int dsc_max_bpp, - int dsc_min_bpp, - int pipe_bpp, - int timeslots) +int intel_dp_dsc_bpp_step_x16(const struct intel_connector *connector) { - int i, ret; - - /* Compressed BPP should be less than the Input DSC bpp */ - dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1); + struct intel_display *display = to_intel_display(connector); + u8 incr = drm_dp_dsc_sink_bpp_incr(connector->dp.dsc_dpcd); - for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) { - if (valid_dsc_bpp[i] < dsc_min_bpp) - continue; - if (valid_dsc_bpp[i] > dsc_max_bpp) - break; + if (DISPLAY_VER(display) < 14 || !incr) + return fxp_q4_from_int(1); - ret = dsc_compute_link_config(intel_dp, - pipe_config, - limits, - valid_dsc_bpp[i] << 4, - timeslots); - if (ret == 0) { - pipe_config->dsc.compressed_bpp_x16 = - fxp_q4_from_int(valid_dsc_bpp[i]); - return 0; - } - } + if (connector->mst.dp && + !connector->link.force_bpp_x16 && !connector->mst.dp->force_dsc_fractional_bpp_en) + return fxp_q4_from_int(1); - return -EINVAL; + /* fxp q4 */ + return fxp_q4_from_int(1) / incr; } /* - * From XE_LPD onwards we supports compression bpps in steps of 1 up to - * uncompressed bpp-1. So we start from max compressed bpp and see if any - * link configuration is able to support that compressed bpp, if not we - * step down and check for lower compressed bpp. + * Note: for bpp_x16 to be valid it must be also within the source/sink's + * min..max bpp capability range. */ -static int -xelpd_dsc_compute_link_config(struct intel_dp *intel_dp, - const struct intel_connector *connector, - struct intel_crtc_state *pipe_config, - struct link_config_limits *limits, - int dsc_max_bpp, - int dsc_min_bpp, - int pipe_bpp, - int timeslots) +bool intel_dp_dsc_valid_compressed_bpp(struct intel_dp *intel_dp, int bpp_x16) { struct intel_display *display = to_intel_display(intel_dp); - u8 bppx16_incr = drm_dp_dsc_sink_bpp_incr(connector->dp.dsc_dpcd); - u16 compressed_bppx16; - u8 bppx16_step; - int ret; + int i; - if (DISPLAY_VER(display) < 14 || bppx16_incr <= 1) - bppx16_step = 16; - else - bppx16_step = 16 / bppx16_incr; + if (DISPLAY_VER(display) >= 13) { + if (intel_dp->force_dsc_fractional_bpp_en && !fxp_q4_to_frac(bpp_x16)) + return false; - /* Compressed BPP should be less than the Input DSC bpp */ - dsc_max_bpp = min(dsc_max_bpp << 4, (pipe_bpp << 4) - bppx16_step); - dsc_min_bpp = dsc_min_bpp << 4; - - for (compressed_bppx16 = dsc_max_bpp; - compressed_bppx16 >= dsc_min_bpp; - compressed_bppx16 -= bppx16_step) { - if (intel_dp->force_dsc_fractional_bpp_en && - !fxp_q4_to_frac(compressed_bppx16)) - continue; - ret = dsc_compute_link_config(intel_dp, - pipe_config, - limits, - compressed_bppx16, - timeslots); - if (ret == 0) { - pipe_config->dsc.compressed_bpp_x16 = compressed_bppx16; - if (intel_dp->force_dsc_fractional_bpp_en && - fxp_q4_to_frac(compressed_bppx16)) - drm_dbg_kms(display->drm, - "Forcing DSC fractional bpp\n"); + return true; + } - return 0; - } + if (fxp_q4_to_frac(bpp_x16)) + return false; + + for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) { + if (fxp_q4_to_int(bpp_x16) == valid_dsc_bpp[i]) + return true; } - return -EINVAL; + + return false; } +/* + * Find the max compressed BPP we can find a link configuration for. The BPPs to + * try depend on the source (platform) and sink. + */ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, - const struct intel_connector *connector, struct intel_crtc_state *pipe_config, - struct link_config_limits *limits, + struct drm_connector_state *conn_state, + const struct link_config_limits *limits, int pipe_bpp, int timeslots) { struct intel_display *display = to_intel_display(intel_dp); + const struct intel_connector *connector = to_intel_connector(conn_state->connector); const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; - int dsc_min_bpp; - int dsc_max_bpp; + int output_bpp; + int min_bpp_x16, max_bpp_x16, bpp_step_x16; int dsc_joiner_max_bpp; int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); - - dsc_min_bpp = fxp_q4_to_int_roundup(limits->link.min_bpp_x16); + int bpp_x16; + int ret; dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(display, adjusted_mode->clock, adjusted_mode->hdisplay, num_joined_pipes); - dsc_max_bpp = min(dsc_joiner_max_bpp, fxp_q4_to_int(limits->link.max_bpp_x16)); + max_bpp_x16 = min(fxp_q4_from_int(dsc_joiner_max_bpp), limits->link.max_bpp_x16); - if (DISPLAY_VER(display) >= 13) - return xelpd_dsc_compute_link_config(intel_dp, connector, pipe_config, limits, - dsc_max_bpp, dsc_min_bpp, pipe_bpp, timeslots); - return icl_dsc_compute_link_config(intel_dp, pipe_config, limits, - dsc_max_bpp, dsc_min_bpp, pipe_bpp, timeslots); + bpp_step_x16 = intel_dp_dsc_bpp_step_x16(connector); + + /* Compressed BPP should be less than the Input DSC bpp */ + output_bpp = intel_dp_output_bpp(pipe_config->output_format, pipe_bpp); + max_bpp_x16 = min(max_bpp_x16, fxp_q4_from_int(output_bpp) - bpp_step_x16); + + drm_WARN_ON(display->drm, !is_power_of_2(bpp_step_x16)); + min_bpp_x16 = round_up(limits->link.min_bpp_x16, bpp_step_x16); + max_bpp_x16 = round_down(max_bpp_x16, bpp_step_x16); + + for (bpp_x16 = max_bpp_x16; bpp_x16 >= min_bpp_x16; bpp_x16 -= bpp_step_x16) { + if (!intel_dp_dsc_valid_compressed_bpp(intel_dp, bpp_x16)) + continue; + + ret = dsc_compute_link_config(intel_dp, + pipe_config, + conn_state, + limits, + bpp_x16, + timeslots); + if (ret == 0) { + pipe_config->dsc.compressed_bpp_x16 = bpp_x16; + if (intel_dp->force_dsc_fractional_bpp_en && + fxp_q4_to_frac(bpp_x16)) + drm_dbg_kms(display->drm, + "Forcing DSC fractional bpp\n"); + + return 0; + } + } + + return -EINVAL; } int intel_dp_dsc_min_src_input_bpc(void) @@ -2183,7 +2217,7 @@ int intel_dp_dsc_min_src_input_bpc(void) } static -bool is_dsc_pipe_bpp_sufficient(struct link_config_limits *limits, +bool is_dsc_pipe_bpp_sufficient(const struct link_config_limits *limits, int pipe_bpp) { return pipe_bpp >= limits->pipe.min_bpp && @@ -2192,7 +2226,7 @@ bool is_dsc_pipe_bpp_sufficient(struct link_config_limits *limits, static int intel_dp_force_dsc_pipe_bpp(struct intel_dp *intel_dp, - struct link_config_limits *limits) + const struct link_config_limits *limits) { struct intel_display *display = to_intel_display(intel_dp); int forced_bpp; @@ -2218,13 +2252,11 @@ int intel_dp_force_dsc_pipe_bpp(struct intel_dp *intel_dp, static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state, - struct link_config_limits *limits, + const struct link_config_limits *limits, int timeslots) { const struct intel_connector *connector = to_intel_connector(conn_state->connector); - int dsc_max_bpp; - int dsc_min_bpp; u8 dsc_bpc[3] = {}; int forced_bpp, pipe_bpp; int num_bpc, i, ret; @@ -2232,7 +2264,7 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, forced_bpp = intel_dp_force_dsc_pipe_bpp(intel_dp, limits); if (forced_bpp) { - ret = dsc_compute_compressed_bpp(intel_dp, connector, pipe_config, + ret = dsc_compute_compressed_bpp(intel_dp, pipe_config, conn_state, limits, forced_bpp, timeslots); if (ret == 0) { pipe_config->pipe_bpp = forced_bpp; @@ -2240,9 +2272,6 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, } } - dsc_max_bpp = limits->pipe.max_bpp; - dsc_min_bpp = limits->pipe.min_bpp; - /* * Get the maximum DSC bpc that will be supported by any valid * link configuration and compressed bpp. @@ -2250,11 +2279,10 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector->dp.dsc_dpcd, dsc_bpc); for (i = 0; i < num_bpc; i++) { pipe_bpp = dsc_bpc[i] * 3; - if (pipe_bpp < dsc_min_bpp) - break; - if (pipe_bpp > dsc_max_bpp) + if (pipe_bpp < limits->pipe.min_bpp || pipe_bpp > limits->pipe.max_bpp) continue; - ret = dsc_compute_compressed_bpp(intel_dp, connector, pipe_config, + + ret = dsc_compute_compressed_bpp(intel_dp, pipe_config, conn_state, limits, pipe_bpp, timeslots); if (ret == 0) { pipe_config->pipe_bpp = pipe_bpp; @@ -2268,7 +2296,7 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state, - struct link_config_limits *limits) + const struct link_config_limits *limits) { struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = @@ -2333,9 +2361,8 @@ static void intel_dp_fec_compute_config(struct intel_dp *intel_dp, int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state, - struct link_config_limits *limits, - int timeslots, - bool compute_pipe_bpp) + const struct link_config_limits *limits, + int timeslots) { struct intel_display *display = to_intel_display(intel_dp); const struct intel_connector *connector = @@ -2343,6 +2370,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config); + bool is_mst = intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST); int ret; intel_dp_fec_compute_config(intel_dp, pipe_config); @@ -2351,12 +2379,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, return -EINVAL; /* - * compute pipe bpp is set to false for DP MST DSC case - * and compressed_bpp is calculated same time once - * vpci timeslots are allocated, because overall bpp - * calculation procedure is bit different for MST case. + * Link parameters, pipe bpp and compressed bpp have already been + * figured out for DP MST DSC. */ - if (compute_pipe_bpp) { + if (!is_mst) { if (intel_dp_is_edp(intel_dp)) ret = intel_edp_dsc_compute_pipe_bpp(intel_dp, pipe_config, conn_state, limits); @@ -2464,7 +2490,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp; int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp; - dsc_src_min_bpp = dsc_src_min_compressed_bpp(); + dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp(); dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state); dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp); limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp); @@ -2509,6 +2535,7 @@ intel_dp_dsc_compute_pipe_bpp_limits(struct intel_dp *intel_dp, bool intel_dp_compute_config_limits(struct intel_dp *intel_dp, + struct intel_connector *connector, struct intel_crtc_state *crtc_state, bool respect_downstream_limits, bool dsc, @@ -2519,9 +2546,6 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, limits->min_rate = intel_dp_min_link_rate(intel_dp); limits->max_rate = intel_dp_max_link_rate(intel_dp); - /* FIXME 128b/132b SST+DSC support missing */ - if (!is_mst && dsc) - limits->max_rate = min(limits->max_rate, 810000); limits->min_rate = min(limits->min_rate, limits->max_rate); limits->min_lane_count = intel_dp_min_lane_count(intel_dp); @@ -2565,7 +2589,7 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, intel_dp_test_compute_config(intel_dp, crtc_state, limits); return intel_dp_compute_config_link_bpp_limits(intel_dp, - intel_dp->attached_connector, + connector, crtc_state, dsc, limits); @@ -2626,7 +2650,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, joiner_needs_dsc = intel_dp_joiner_needs_dsc(display, num_joined_pipes); dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en || - !intel_dp_compute_config_limits(intel_dp, pipe_config, + !intel_dp_compute_config_limits(intel_dp, connector, pipe_config, respect_downstream_limits, false, &limits); @@ -2641,9 +2665,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, if (!ret && intel_dp_is_uhbr(pipe_config)) ret = intel_dp_mtp_tu_compute_config(intel_dp, pipe_config, - pipe_config->pipe_bpp, - pipe_config->pipe_bpp, conn_state, + fxp_q4_from_int(pipe_config->pipe_bpp), + fxp_q4_from_int(pipe_config->pipe_bpp), 0, false); if (ret) dsc_needed = true; @@ -2660,14 +2684,14 @@ intel_dp_compute_link_config(struct intel_encoder *encoder, str_yes_no(ret), str_yes_no(joiner_needs_dsc), str_yes_no(intel_dp->force_dsc_en)); - if (!intel_dp_compute_config_limits(intel_dp, pipe_config, + if (!intel_dp_compute_config_limits(intel_dp, connector, pipe_config, respect_downstream_limits, true, &limits)) return -EINVAL; ret = intel_dp_dsc_compute_config(intel_dp, pipe_config, - conn_state, &limits, 64, true); + conn_state, &limits, 64); if (ret < 0) return ret; } @@ -2829,19 +2853,17 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp, crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC); - /* Currently only DP_AS_SDP_AVT_FIXED_VTOTAL mode supported */ as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC; as_sdp->length = 0x9; as_sdp->duration_incr_ms = 0; + as_sdp->vtotal = intel_vrr_vmin_vtotal(crtc_state); if (crtc_state->cmrr.enable) { as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED; - as_sdp->vtotal = adjusted_mode->vtotal; as_sdp->target_rr = drm_mode_vrefresh(adjusted_mode); as_sdp->target_rr_divider = true; } else { - as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL; - as_sdp->vtotal = adjusted_mode->vtotal; + as_sdp->mode = DP_AS_SDP_AVT_DYNAMIC_VTOTAL; as_sdp->target_rr = 0; } } @@ -2922,7 +2944,7 @@ static bool can_enable_drrs(struct intel_connector *connector, const struct intel_crtc_state *pipe_config, const struct drm_display_mode *downclock_mode) { - struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_display *display = to_intel_display(connector); if (pipe_config->vrr.enable) return false; @@ -2940,7 +2962,7 @@ static bool can_enable_drrs(struct intel_connector *connector, if (pipe_config->has_pch_encoder) return false; - if (!intel_cpu_transcoder_has_drrs(i915, pipe_config->cpu_transcoder)) + if (!intel_cpu_transcoder_has_drrs(display, pipe_config->cpu_transcoder)) return false; return downclock_mode && @@ -2953,7 +2975,6 @@ intel_dp_drrs_compute_config(struct intel_connector *connector, int link_bpp_x16) { struct intel_display *display = to_intel_display(connector); - struct drm_i915_private *i915 = to_i915(connector->base.dev); const struct drm_display_mode *downclock_mode = intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode); int pixel_clock; @@ -2966,7 +2987,7 @@ intel_dp_drrs_compute_config(struct intel_connector *connector, pipe_config->update_m_n = true; if (!can_enable_drrs(connector, pipe_config, downclock_mode)) { - if (intel_cpu_transcoder_has_m2_n2(i915, pipe_config->cpu_transcoder)) + if (intel_cpu_transcoder_has_m2_n2(display, pipe_config->cpu_transcoder)) intel_zero_m_n(&pipe_config->dp_m2_n2); return; } @@ -3066,15 +3087,6 @@ intel_dp_audio_compute_config(struct intel_encoder *encoder, intel_dp_is_uhbr(pipe_config); } -static void intel_dp_queue_modeset_retry_work(struct intel_connector *connector) -{ - struct drm_i915_private *i915 = to_i915(connector->base.dev); - - drm_connector_get(&connector->base); - if (!queue_work(i915->unordered_wq, &connector->modeset_retry_work)) - drm_connector_put(&connector->base); -} - void intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, struct intel_encoder *encoder, @@ -3091,7 +3103,7 @@ intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, intel_dp->needs_modeset_retry = true; if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { - intel_dp_queue_modeset_retry_work(intel_dp->attached_connector); + intel_connector_queue_modeset_retry_work(intel_dp->attached_connector); return; } @@ -3100,11 +3112,81 @@ intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, if (!conn_state->base.crtc) continue; - if (connector->mst_port == intel_dp) - intel_dp_queue_modeset_retry_work(connector); + if (connector->mst.dp == intel_dp) + intel_connector_queue_modeset_retry_work(connector); } } +int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + const struct drm_display_mode *adjusted_mode = + &crtc_state->hw.adjusted_mode; + struct intel_connector *connector = to_intel_connector(conn_state->connector); + int symbol_size = intel_dp_is_uhbr(crtc_state) ? 32 : 8; + /* + * min symbol cycles is 3(BS,VBID, BE) for 128b/132b and + * 5(BS, VBID, MVID, MAUD, BE) for 8b/10b + */ + int min_sym_cycles = intel_dp_is_uhbr(crtc_state) ? 3 : 5; + bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); + int num_joined_pipes = intel_crtc_num_joined_pipes(crtc_state); + int min_hblank; + int max_lane_count = 4; + int hactive_sym_cycles, htotal_sym_cycles; + int dsc_slices = 0; + int link_bpp_x16; + + if (DISPLAY_VER(display) < 30) + return 0; + + /* MIN_HBLANK should be set only for 8b/10b MST or for 128b/132b SST/MST */ + if (!is_mst && !intel_dp_is_uhbr(crtc_state)) + return 0; + + if (crtc_state->dsc.compression_enable) { + dsc_slices = intel_dp_dsc_get_slice_count(connector, + adjusted_mode->crtc_clock, + adjusted_mode->crtc_hdisplay, + num_joined_pipes); + if (!dsc_slices) { + drm_dbg(display->drm, "failed to calculate dsc slice count\n"); + return -EINVAL; + } + } + + if (crtc_state->dsc.compression_enable) + link_bpp_x16 = crtc_state->dsc.compressed_bpp_x16; + else + link_bpp_x16 = fxp_q4_from_int(intel_dp_output_bpp(crtc_state->output_format, + crtc_state->pipe_bpp)); + + /* Calculate min Hblank Link Layer Symbol Cycle Count for 8b/10b MST & 128b/132b */ + hactive_sym_cycles = drm_dp_link_symbol_cycles(max_lane_count, + adjusted_mode->hdisplay, + dsc_slices, + link_bpp_x16, + symbol_size, is_mst); + htotal_sym_cycles = adjusted_mode->htotal * hactive_sym_cycles / + adjusted_mode->hdisplay; + + min_hblank = htotal_sym_cycles - hactive_sym_cycles; + /* minimum Hblank calculation: https://groups.vesa.org/wg/DP/document/20494 */ + min_hblank = max(min_hblank, min_sym_cycles); + + /* + * adjust the BlankingStart/BlankingEnd framing control from + * the calculated value + */ + min_hblank = min_hblank - 2; + + min_hblank = min(10, min_hblank); + crtc_state->min_hblank = min_hblank; + + return 0; +} + int intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, @@ -3150,7 +3232,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, if ((intel_dp_is_edp(intel_dp) && fixed_mode) || pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) { - ret = intel_panel_fitting(pipe_config, conn_state); + ret = intel_pfit_compute_config(pipe_config, conn_state); if (ret) return ret; } @@ -3204,6 +3286,10 @@ intel_dp_compute_config(struct intel_encoder *encoder, &pipe_config->dp_m_n); } + ret = intel_dp_compute_min_hblank(pipe_config, conn_state); + if (ret) + return ret; + /* FIXME: abstract this better */ if (pipe_config->splitter.enable) pipe_config->dp_m_n.data_m *= pipe_config->splitter.link_count; @@ -3224,7 +3310,7 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp, int link_rate, int lane_count) { memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set)); - intel_dp->link_trained = false; + intel_dp->link.active = false; intel_dp->needs_modeset_retry = false; intel_dp->link_rate = link_rate; intel_dp->lane_count = lane_count; @@ -3322,8 +3408,8 @@ intel_dp_sink_set_dsc_passthrough(const struct intel_connector *connector, bool enable) { struct intel_display *display = to_intel_display(connector); - struct drm_dp_aux *aux = connector->port ? - connector->port->passthrough_aux : NULL; + struct drm_dp_aux *aux = connector->mst.port ? + connector->mst.port->passthrough_aux : NULL; if (!aux) return; @@ -3350,7 +3436,7 @@ static int intel_dp_dsc_aux_ref_count(struct intel_atomic_state *state, * On SST the decompression AUX device won't be shared, each connector * uses for this its own AUX targeting the sink device. */ - if (!connector->mst_port) + if (!connector->mst.dp) return connector->dp.dsc_decompression_enabled ? 1 : 0; for_each_oldnew_connector_in_state(&state->base, _connector_iter, @@ -3358,7 +3444,7 @@ static int intel_dp_dsc_aux_ref_count(struct intel_atomic_state *state, const struct intel_connector * connector_iter = to_intel_connector(_connector_iter); - if (connector_iter->mst_port != connector->mst_port) + if (connector_iter->mst.dp != connector->mst.dp) continue; if (!connector_iter->dp.dsc_decompression_enabled) @@ -3528,9 +3614,9 @@ void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode) ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, mode); } else { - struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - lspcon_resume(dp_to_dig_port(intel_dp)); + intel_lspcon_resume(dig_port); /* Write the source OUI as early as possible */ intel_dp_init_source_oui(intel_dp); @@ -3546,8 +3632,8 @@ void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode) msleep(1); } - if (ret == 1 && lspcon->active) - lspcon_wait_pcon_mode(lspcon); + if (ret == 1 && intel_lspcon_active(dig_port)) + intel_lspcon_wait_pcon_mode(dig_port); } if (ret != 1) @@ -3588,7 +3674,7 @@ void intel_dp_sync_state(struct intel_encoder *encoder, if (crtc_state) { intel_dp_reset_link_params(intel_dp); intel_dp_set_link_params(intel_dp, crtc_state->port_clock, crtc_state->lane_count); - intel_dp->link_trained = true; + intel_dp->link.active = true; } } @@ -3646,6 +3732,9 @@ static void intel_dp_get_pcon_dsc_cap(struct intel_dp *intel_dp) memset(intel_dp->pcon_dsc_dpcd, 0, sizeof(intel_dp->pcon_dsc_dpcd)); + if (!drm_dp_is_branch(intel_dp->dpcd)) + return; + if (drm_dp_dpcd_read(&intel_dp->aux, DP_PCON_DSC_ENCODER, intel_dp->pcon_dsc_dpcd, sizeof(intel_dp->pcon_dsc_dpcd)) < 0) @@ -4190,6 +4279,9 @@ static void intel_edp_mso_init(struct intel_dp *intel_dp) static void intel_edp_set_sink_rates(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + intel_dp->num_sink_rates = 0; if (intel_dp->edp_dpcd[0] >= DP_EDP_14) { @@ -4200,10 +4292,7 @@ intel_edp_set_sink_rates(struct intel_dp *intel_dp) sink_rates, sizeof(sink_rates)); for (i = 0; i < ARRAY_SIZE(sink_rates); i++) { - int val = le16_to_cpu(sink_rates[i]); - - if (val == 0) - break; + int rate; /* Value read multiplied by 200kHz gives the per-lane * link rate in kHz. The source rates are, however, @@ -4211,7 +4300,24 @@ intel_edp_set_sink_rates(struct intel_dp *intel_dp) * back to symbols is * (val * 200kHz)*(8/10 ch. encoding)*(1/8 bit to Byte) */ - intel_dp->sink_rates[i] = (val * 200) / 10; + rate = le16_to_cpu(sink_rates[i]) * 200 / 10; + + if (rate == 0) + break; + + /* + * Some broken eDP sinks illegally declare support for + * HBR3 without TPS4, and are unable to produce a stable + * output. Reject HBR3 when TPS4 is not available. + */ + if (rate >= 810000 && !drm_dp_tps4_supported(intel_dp->dpcd)) { + drm_dbg_kms(display->drm, + "[ENCODER:%d:%s] Rejecting HBR3 due to missing TPS4 support\n", + encoder->base.base.id, encoder->base.name); + break; + } + + intel_dp->sink_rates[i] = rate; } intel_dp->num_sink_rates = i; } @@ -4416,7 +4522,7 @@ intel_dp_mst_configure(struct intel_dp *intel_dp) if (intel_dp->is_mst) intel_dp_mst_prepare_probe(intel_dp); - drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst.mgr, intel_dp->is_mst); /* Avoid stale info on the next detect cycle. */ intel_dp->mst_detect = DRM_DP_SST; @@ -4432,14 +4538,31 @@ intel_dp_mst_disconnect(struct intel_dp *intel_dp) drm_dbg_kms(display->drm, "MST device may have disappeared %d vs %d\n", - intel_dp->is_mst, intel_dp->mst_mgr.mst_state); + intel_dp->is_mst, intel_dp->mst.mgr.mst_state); intel_dp->is_mst = false; - drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst.mgr, intel_dp->is_mst); } static bool intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *esi) { + struct intel_display *display = to_intel_display(intel_dp); + + /* + * Display WA for HSD #13013007775: mtl/arl/lnl + * Read the sink count and link service IRQ registers in separate + * transactions to prevent disconnecting the sink on a TBT link + * inadvertently. + */ + if (IS_DISPLAY_VER(display, 14, 20) && !display->platform.battlemage) { + if (drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 3) != 3) + return false; + + /* DP_SINK_COUNT_ESI + 3 == DP_LINK_SERVICE_IRQ_VECTOR_ESI0 */ + return drm_dp_dpcd_readb(&intel_dp->aux, DP_LINK_SERVICE_IRQ_VECTOR_ESI0, + &esi[3]) == 1; + } + return drm_dp_dpcd_read(&intel_dp->aux, DP_SINK_COUNT_ESI, esi, 4) == 4; } @@ -4940,7 +5063,7 @@ intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack) { bool handled = false; - drm_dp_mst_hpd_irq_handle_event(&intel_dp->mst_mgr, esi, ack, &handled); + drm_dp_mst_hpd_irq_handle_event(&intel_dp->mst.mgr, esi, ack, &handled); if (esi[1] & DP_CP_IRQ) { intel_hdcp_handle_cp_irq(intel_dp->attached_connector); @@ -4989,8 +5112,6 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) bool link_ok = true; bool reprobe_needed = false; - drm_WARN_ON_ONCE(display->drm, intel_dp->active_mst_links < 0); - for (;;) { u8 esi[4] = {}; u8 ack[4] = {}; @@ -5005,7 +5126,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(display->drm, "DPRX ESI: %4ph\n", esi); - if (intel_dp->active_mst_links > 0 && link_ok && + if (intel_dp_mst_active_streams(intel_dp) > 0 && link_ok && esi[3] & LINK_STATUS_CHANGED) { if (!intel_dp_mst_link_status(intel_dp)) link_ok = false; @@ -5028,7 +5149,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dbg_kms(display->drm, "Failed to ack ESI\n"); if (ack[1] & (DP_DOWN_REP_MSG_RDY | DP_UP_REQ_MSG_RDY)) - drm_dp_mst_hpd_irq_send_new_request(&intel_dp->mst_mgr); + drm_dp_mst_hpd_irq_send_new_request(&intel_dp->mst.mgr); } if (!link_ok || intel_dp->link.force_retrain) @@ -5066,7 +5187,7 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp) { u8 link_status[DP_LINK_STATUS_SIZE]; - if (!intel_dp->link_trained) + if (!intel_dp->link.active) return false; /* @@ -5127,7 +5248,7 @@ bool intel_dp_has_connector(struct intel_dp *intel_dp, /* MST */ for_each_pipe(display, pipe) { - encoder = &intel_dp->mst_encoders[pipe]->base; + encoder = &intel_dp->mst.stream_encoders[pipe]->base; if (conn_state->best_encoder == &encoder->base) return true; } @@ -5213,7 +5334,6 @@ static int intel_dp_retrain_link(struct intel_encoder *encoder, struct drm_modeset_acquire_ctx *ctx) { struct intel_display *display = to_intel_display(encoder); - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); u8 pipe_mask; int ret; @@ -5244,7 +5364,7 @@ static int intel_dp_retrain_link(struct intel_encoder *encoder, encoder->base.base.id, encoder->base.name, str_yes_no(intel_dp->link.force_retrain)); - ret = intel_modeset_commit_pipes(dev_priv, pipe_mask, ctx); + ret = intel_modeset_commit_pipes(display, pipe_mask, ctx); if (ret == -EDEADLK) return ret; @@ -5379,6 +5499,11 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) intel_psr_short_pulse(intel_dp); + if (intel_alpm_get_error(intel_dp)) { + intel_alpm_disable(intel_dp); + intel_dp->alpm_parameters.sink_alpm_error = true; + } + if (intel_dp_test_short_pulse(intel_dp)) reprobe_needed = true; @@ -5397,7 +5522,7 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp) if (drm_WARN_ON(display->drm, intel_dp_is_edp(intel_dp))) return connector_status_connected; - lspcon_resume(dig_port); + intel_lspcon_resume(dig_port); if (!intel_dp_get_dpcd(intel_dp)) return connector_status_disconnected; @@ -5479,13 +5604,13 @@ void intel_digital_port_unlock(struct intel_encoder *encoder) */ bool intel_digital_port_connected_locked(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_glitch_free = intel_tc_port_handles_hpd_glitches(dig_port); bool is_connected = false; intel_wakeref_t wakeref; - with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref) { + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) { unsigned long wait_expires = jiffies + msecs_to_jiffies_timeout(4); do { @@ -5597,7 +5722,7 @@ intel_dp_update_420(struct intel_dp *intel_dp) intel_dp->downstream_ports); /* on-board LSPCON always assumed to support 4:4:4->4:2:0 conversion */ intel_dp->dfp.ycbcr_444_to_420 = - dp_to_dig_port(intel_dp)->lspcon.active || + intel_lspcon_active(dp_to_dig_port(intel_dp)) || drm_dp_downstream_444_to_420_conversion(intel_dp->dpcd, intel_dp->downstream_ports); intel_dp->dfp.rgb_to_ycbcr = @@ -5674,6 +5799,28 @@ intel_dp_detect_sdp_caps(struct intel_dp *intel_dp) drm_dp_as_sdp_supported(&intel_dp->aux, intel_dp->dpcd); } +static bool intel_dp_needs_dpcd_probe(struct intel_dp *intel_dp, bool force_on_external) +{ + struct intel_connector *connector = intel_dp->attached_connector; + + if (intel_dp_is_edp(intel_dp)) + return false; + + if (force_on_external) + return true; + + if (intel_dp->is_mst) + return false; + + return drm_edid_has_quirk(&connector->base, DRM_EDID_QUIRK_DP_DPCD_PROBE); +} + +void intel_dp_dpcd_set_probe(struct intel_dp *intel_dp, bool force_on_external) +{ + drm_dp_dpcd_set_probe(&intel_dp->aux, + intel_dp_needs_dpcd_probe(intel_dp, force_on_external)); +} + static int intel_dp_detect(struct drm_connector *_connector, struct drm_modeset_acquire_ctx *ctx, @@ -5802,6 +5949,8 @@ out_unset_edid: if (status != connector_status_connected && !intel_dp->is_mst) intel_dp_unset_edid(intel_dp); + intel_dp_dpcd_set_probe(intel_dp, false); + if (!intel_dp_is_edp(intel_dp)) drm_dp_set_subconnector_property(&connector->base, status, @@ -5814,23 +5963,26 @@ out_vdd_off: } static void -intel_dp_force(struct drm_connector *connector) +intel_dp_force(struct drm_connector *_connector) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s]\n", - connector->base.id, connector->name); + connector->base.base.id, connector->base.name); if (!intel_display_driver_check_access(display)) return; intel_dp_unset_edid(intel_dp); - if (connector->status != connector_status_connected) + if (connector->base.status != connector_status_connected) return; intel_dp_set_edid(intel_dp); + + intel_dp_dpcd_set_probe(intel_dp, false); } static int intel_dp_get_modes(struct drm_connector *_connector) @@ -5866,25 +6018,25 @@ static int intel_dp_get_modes(struct drm_connector *_connector) } static int -intel_dp_connector_register(struct drm_connector *connector) +intel_dp_connector_register(struct drm_connector *_connector) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct intel_lspcon *lspcon = &dig_port->lspcon; int ret; - ret = intel_connector_register(connector); + ret = intel_connector_register(&connector->base); if (ret) return ret; drm_dbg_kms(display->drm, "registering %s bus for %s\n", - intel_dp->aux.name, connector->kdev->kobj.name); + intel_dp->aux.name, connector->base.kdev->kobj.name); - intel_dp->aux.dev = connector->kdev; + intel_dp->aux.dev = connector->base.kdev; ret = drm_dp_aux_register(&intel_dp->aux); if (!ret) - drm_dp_cec_register_connector(&intel_dp->aux, connector); + drm_dp_cec_register_connector(&intel_dp->aux, &connector->base); if (!intel_bios_encoder_is_lspcon(dig_port->base.devdata)) return ret; @@ -5893,23 +6045,23 @@ intel_dp_connector_register(struct drm_connector *connector) * ToDo: Clean this up to handle lspcon init and resume more * efficiently and streamlined. */ - if (lspcon_init(dig_port)) { - lspcon_detect_hdr_capability(lspcon); - if (lspcon->hdr_supported) - drm_connector_attach_hdr_output_metadata_property(connector); + if (intel_lspcon_init(dig_port)) { + if (intel_lspcon_detect_hdr_capability(dig_port)) + drm_connector_attach_hdr_output_metadata_property(&connector->base); } return ret; } static void -intel_dp_connector_unregister(struct drm_connector *connector) +intel_dp_connector_unregister(struct drm_connector *_connector) { - struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector)); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_dp *intel_dp = intel_attached_dp(connector); drm_dp_cec_unregister_connector(&intel_dp->aux); drm_dp_aux_unregister(&intel_dp->aux); - intel_connector_unregister(connector); + intel_connector_unregister(&connector->base); } void intel_dp_connector_sync_state(struct intel_connector *connector, @@ -5970,21 +6122,21 @@ static int intel_modeset_tile_group(struct intel_atomic_state *state, { struct intel_display *display = to_intel_display(state); struct drm_connector_list_iter conn_iter; - struct drm_connector *connector; + struct intel_connector *connector; int ret = 0; drm_connector_list_iter_begin(display->drm, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { + for_each_intel_connector_iter(connector, &conn_iter) { struct drm_connector_state *conn_state; struct intel_crtc_state *crtc_state; struct intel_crtc *crtc; - if (!connector->has_tile || - connector->tile_group->id != tile_group_id) + if (!connector->base.has_tile || + connector->base.tile_group->id != tile_group_id) continue; conn_state = drm_atomic_get_connector_state(&state->base, - connector); + &connector->base); if (IS_ERR(conn_state)) { ret = PTR_ERR(conn_state); break; @@ -6048,10 +6200,11 @@ static int intel_modeset_affected_transcoders(struct intel_atomic_state *state, } static int intel_modeset_synced_crtcs(struct intel_atomic_state *state, - struct drm_connector *connector) + struct drm_connector *_connector) { + struct intel_connector *connector = to_intel_connector(_connector); const struct drm_connector_state *old_conn_state = - drm_atomic_get_old_connector_state(&state->base, connector); + drm_atomic_get_old_connector_state(&state->base, &connector->base); const struct intel_crtc_state *old_crtc_state; struct intel_crtc *crtc; u8 transcoders; @@ -6073,32 +6226,33 @@ static int intel_modeset_synced_crtcs(struct intel_atomic_state *state, transcoders); } -static int intel_dp_connector_atomic_check(struct drm_connector *conn, +static int intel_dp_connector_atomic_check(struct drm_connector *_connector, struct drm_atomic_state *_state) { - struct intel_display *display = to_intel_display(conn->dev); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); struct intel_atomic_state *state = to_intel_atomic_state(_state); - struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(_state, conn); - struct intel_connector *intel_conn = to_intel_connector(conn); - struct intel_dp *intel_dp = enc_to_intel_dp(intel_conn->encoder); + struct drm_connector_state *conn_state = + drm_atomic_get_new_connector_state(_state, &connector->base); + struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder); int ret; - ret = intel_digital_connector_atomic_check(conn, &state->base); + ret = intel_digital_connector_atomic_check(&connector->base, &state->base); if (ret) return ret; if (intel_dp_mst_source_support(intel_dp)) { - ret = drm_dp_mst_root_conn_atomic_check(conn_state, &intel_dp->mst_mgr); + ret = drm_dp_mst_root_conn_atomic_check(conn_state, &intel_dp->mst.mgr); if (ret) return ret; } - if (!intel_connector_needs_modeset(state, conn)) + if (!intel_connector_needs_modeset(state, &connector->base)) return 0; ret = intel_dp_tunnel_atomic_check_state(state, intel_dp, - intel_conn); + connector); if (ret) return ret; @@ -6109,26 +6263,26 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn, if (DISPLAY_VER(display) < 9) return 0; - if (conn->has_tile) { - ret = intel_modeset_tile_group(state, conn->tile_group->id); + if (connector->base.has_tile) { + ret = intel_modeset_tile_group(state, connector->base.tile_group->id); if (ret) return ret; } - return intel_modeset_synced_crtcs(state, conn); + return intel_modeset_synced_crtcs(state, &connector->base); } -static void intel_dp_oob_hotplug_event(struct drm_connector *connector, +static void intel_dp_oob_hotplug_event(struct drm_connector *_connector, enum drm_connector_status hpd_state) { - struct intel_display *display = to_intel_display(connector->dev); - struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector)); - struct drm_i915_private *i915 = to_i915(connector->dev); + struct intel_connector *connector = to_intel_connector(_connector); + struct intel_display *display = to_intel_display(connector); + struct intel_encoder *encoder = intel_attached_encoder(connector); bool hpd_high = hpd_state == connector_status_connected; unsigned int hpd_pin = encoder->hpd_pin; bool need_work = false; - spin_lock_irq(&i915->irq_lock); + spin_lock_irq(&display->irq.lock); if (hpd_high != test_bit(hpd_pin, &display->hotplug.oob_hotplug_last_state)) { display->hotplug.event_bits |= BIT(hpd_pin); @@ -6137,10 +6291,10 @@ static void intel_dp_oob_hotplug_event(struct drm_connector *connector, hpd_high); need_work = true; } - spin_unlock_irq(&i915->irq_lock); + spin_unlock_irq(&display->irq.lock); if (need_work) - intel_hpd_schedule_detection(i915); + intel_hpd_schedule_detection(display); } static const struct drm_connector_funcs intel_dp_connector_funcs = { @@ -6167,13 +6321,12 @@ enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) { struct intel_display *display = to_intel_display(dig_port); - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); struct intel_dp *intel_dp = &dig_port->dp; u8 dpcd[DP_RECEIVER_CAP_SIZE]; if (dig_port->base.type == INTEL_OUTPUT_EDP && (long_hpd || - intel_runtime_pm_suspended(&i915->runtime_pm) || + intel_display_rpm_suspended(display) || !intel_pps_have_panel_power_or_vdd(intel_dp))) { /* * vdd off can generate a long/short pulse on eDP which @@ -6202,10 +6355,11 @@ intel_dp_hpd_pulse(struct intel_digital_port *dig_port, bool long_hpd) * complete the DP tunnel BW request for the latter connector/encoder * waiting for this encoder's DPRX read, perform a dummy read here. */ - if (long_hpd) + if (long_hpd) { + intel_dp_dpcd_set_probe(intel_dp, true); + intel_dp_read_dprx_caps(intel_dp, dpcd); - if (long_hpd) { intel_dp->reset_link_params = true; intel_dp_invalidate_source_oui(intel_dp); @@ -6270,36 +6424,37 @@ intel_dp_has_gamut_metadata_dip(struct intel_encoder *encoder) } static void -intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector) +intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *_connector) { + struct intel_connector *connector = to_intel_connector(_connector); struct intel_display *display = to_intel_display(intel_dp); enum port port = dp_to_dig_port(intel_dp)->base.port; if (!intel_dp_is_edp(intel_dp)) - drm_connector_attach_dp_subconnector_property(connector); + drm_connector_attach_dp_subconnector_property(&connector->base); if (!display->platform.g4x && port != PORT_A) - intel_attach_force_audio_property(connector); + intel_attach_force_audio_property(&connector->base); - intel_attach_broadcast_rgb_property(connector); + intel_attach_broadcast_rgb_property(&connector->base); if (HAS_GMCH(display)) - drm_connector_attach_max_bpc_property(connector, 6, 10); + drm_connector_attach_max_bpc_property(&connector->base, 6, 10); else if (DISPLAY_VER(display) >= 5) - drm_connector_attach_max_bpc_property(connector, 6, 12); + drm_connector_attach_max_bpc_property(&connector->base, 6, 12); /* Register HDMI colorspace for case of lspcon */ if (intel_bios_encoder_is_lspcon(dp_to_dig_port(intel_dp)->base.devdata)) { - drm_connector_attach_content_type_property(connector); - intel_attach_hdmi_colorspace_property(connector); + drm_connector_attach_content_type_property(&connector->base); + intel_attach_hdmi_colorspace_property(&connector->base); } else { - intel_attach_dp_colorspace_property(connector); + intel_attach_dp_colorspace_property(&connector->base); } if (intel_dp_has_gamut_metadata_dip(&dp_to_dig_port(intel_dp)->base)) - drm_connector_attach_hdr_output_metadata_property(connector); + drm_connector_attach_hdr_output_metadata_property(&connector->base); if (HAS_VRR(display)) - drm_connector_attach_vrr_capable_property(connector); + drm_connector_attach_vrr_capable_property(&connector->base); } static void @@ -6334,7 +6489,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, struct intel_connector *connector) { struct intel_display *display = to_intel_display(intel_dp); - struct drm_i915_private *dev_priv = to_i915(display->drm); struct drm_display_mode *fixed_mode; struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; bool has_dpcd; @@ -6349,9 +6503,9 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, * eDP and LVDS bail out early in this case to prevent interfering * with an already powered-on LVDS power sequencer. */ - if (intel_get_lvds_encoder(dev_priv)) { + if (intel_get_lvds_encoder(display)) { drm_WARN_ON(display->drm, - !(HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv))); + !(HAS_PCH_IBX(display) || HAS_PCH_CPT(display))); drm_info(display->drm, "LVDS was detected, not registering eDP\n"); @@ -6382,7 +6536,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, */ intel_hpd_enable_detection(encoder); - intel_alpm_init_dpcd(intel_dp); + intel_alpm_init(intel_dp); /* Cache DPCD and EDID for edp. */ has_dpcd = intel_edp_init_dpcd(intel_dp, connector); @@ -6497,35 +6651,6 @@ out_vdd_off: return false; } -static void intel_dp_modeset_retry_work_fn(struct work_struct *work) -{ - struct intel_connector *connector = container_of(work, typeof(*connector), - modeset_retry_work); - struct intel_display *display = to_intel_display(connector); - - drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s]\n", connector->base.base.id, - connector->base.name); - - /* Grab the locks before changing connector property*/ - mutex_lock(&display->drm->mode_config.mutex); - /* Set connector link status to BAD and send a Uevent to notify - * userspace to do a modeset. - */ - drm_connector_set_link_status_property(&connector->base, - DRM_MODE_LINK_STATUS_BAD); - mutex_unlock(&display->drm->mode_config.mutex); - /* Send Hotplug uevent so userspace can reprobe */ - drm_kms_helper_connector_hotplug_event(&connector->base); - - drm_connector_put(&connector->base); -} - -void intel_dp_init_modeset_retry_work(struct intel_connector *connector) -{ - INIT_WORK(&connector->modeset_retry_work, - intel_dp_modeset_retry_work_fn); -} - bool intel_dp_init_connector(struct intel_digital_port *dig_port, struct intel_connector *connector) @@ -6534,13 +6659,9 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, struct intel_dp *intel_dp = &dig_port->dp; struct intel_encoder *encoder = &dig_port->base; struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); enum port port = encoder->port; int type; - /* Initialize the work for modeset in case of link train failure */ - intel_dp_init_modeset_retry_work(connector); - if (drm_WARN(dev, dig_port->max_lanes < 1, "Not enough lanes (%d) for DP on [ENCODER:%d:%s]\n", dig_port->max_lanes, encoder->base.base.id, @@ -6634,7 +6755,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, return true; fail: - intel_display_power_flush_work(dev_priv); + intel_display_power_flush_work(display); drm_connector_cleanup(&connector->base); return false; @@ -6659,7 +6780,7 @@ void intel_dp_mst_suspend(struct intel_display *display) continue; if (intel_dp->is_mst) - drm_dp_mst_topology_mgr_suspend(&intel_dp->mst_mgr); + drm_dp_mst_topology_mgr_suspend(&intel_dp->mst.mgr); } } @@ -6682,12 +6803,10 @@ void intel_dp_mst_resume(struct intel_display *display) if (!intel_dp_mst_source_support(intel_dp)) continue; - ret = drm_dp_mst_topology_mgr_resume(&intel_dp->mst_mgr, - true); + ret = drm_dp_mst_topology_mgr_resume(&intel_dp->mst.mgr, true); if (ret) { intel_dp->is_mst = false; - drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, - false); + drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst.mgr, false); } } } |