diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 65 |
1 files changed, 11 insertions, 54 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 4c15dcb103aa..c1fd6aceec2c 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -27,10 +27,11 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> #include <drm/drm_fixed.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> -#include "i915_drv.h" #include "i915_reg.h" +#include "i915_utils.h" #include "intel_atomic.h" #include "intel_audio.h" #include "intel_connector.h" @@ -51,6 +52,7 @@ #include "intel_link_bw.h" #include "intel_pfit.h" #include "intel_psr.h" +#include "intel_step.h" #include "intel_vdsc.h" #include "intel_vrr.h" #include "skl_scaler.h" @@ -239,26 +241,6 @@ static int intel_dp_mst_dsc_get_slice_count(const struct intel_connector *connec num_joined_pipes); } -static void intel_dp_mst_compute_min_hblank(struct intel_crtc_state *crtc_state, - int bpp_x16) -{ - struct intel_display *display = to_intel_display(crtc_state); - const struct drm_display_mode *adjusted_mode = - &crtc_state->hw.adjusted_mode; - int symbol_size = intel_dp_is_uhbr(crtc_state) ? 32 : 8; - int hblank; - - if (DISPLAY_VER(display) < 20) - return; - - /* Calculate min Hblank Link Layer Symbol Cycle Count for 8b/10b MST & 128b/132b */ - hblank = DIV_ROUND_UP((DIV_ROUND_UP - (adjusted_mode->htotal - adjusted_mode->hdisplay, 4) * bpp_x16), - symbol_size); - - crtc_state->min_hblank = hblank; -} - int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state, struct drm_connector_state *conn_state, @@ -329,8 +311,6 @@ int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp, local_bw_overhead = intel_dp_mst_bw_overhead(crtc_state, false, dsc_slice_count, link_bpp_x16); - intel_dp_mst_compute_min_hblank(crtc_state, link_bpp_x16); - intel_dp_mst_compute_m_n(crtc_state, local_bw_overhead, link_bpp_x16, @@ -619,12 +599,13 @@ adjust_limits_for_dsc_hblank_expansion_quirk(struct intel_dp *intel_dp, static bool mst_stream_compute_config_limits(struct intel_dp *intel_dp, - const struct intel_connector *connector, + struct intel_connector *connector, struct intel_crtc_state *crtc_state, bool dsc, struct link_config_limits *limits) { - if (!intel_dp_compute_config_limits(intel_dp, crtc_state, false, dsc, + if (!intel_dp_compute_config_limits(intel_dp, connector, + crtc_state, false, dsc, limits)) return false; @@ -739,6 +720,10 @@ static int mst_stream_compute_config(struct intel_encoder *encoder, pipe_config->lane_lat_optim_mask = bxt_dpio_phy_calc_lane_lat_optim_mask(pipe_config->lane_count); + ret = intel_dp_compute_min_hblank(pipe_config, conn_state); + if (ret) + return ret; + intel_vrr_compute_config(pipe_config, conn_state); intel_dp_audio_compute_config(encoder, pipe_config, conn_state); @@ -1021,12 +1006,10 @@ static void mst_stream_disable(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct intel_display *display = to_intel_display(state); struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); struct intel_dp *intel_dp = to_primary_dp(encoder); struct intel_connector *connector = to_intel_connector(old_conn_state->connector); - enum transcoder trans = old_crtc_state->cpu_transcoder; if (intel_dp_mst_active_streams(intel_dp) == 1) intel_dp->link.active = false; @@ -1034,9 +1017,6 @@ static void mst_stream_disable(struct intel_atomic_state *state, intel_hdcp_disable(intel_mst->connector); intel_dp_sink_disable_decompression(state, connector, old_crtc_state); - - if (DISPLAY_VER(display) >= 20) - intel_de_write(display, DP_MIN_HBLANK_CTL(trans), 0); } static void mst_stream_post_disable(struct intel_atomic_state *state, @@ -1305,7 +1285,7 @@ static void mst_stream_enable(struct intel_atomic_state *state, enum transcoder trans = pipe_config->cpu_transcoder; bool first_mst_stream = intel_dp_mst_active_streams(intel_dp) == 1; struct intel_crtc *pipe_crtc; - int ret, i, min_hblank; + int ret, i; drm_WARN_ON(display->drm, pipe_config->has_pch_encoder); @@ -1320,29 +1300,6 @@ static void mst_stream_enable(struct intel_atomic_state *state, TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz & 0xffffff)); } - if (DISPLAY_VER(display) >= 20) { - /* - * adjust the BlankingStart/BlankingEnd framing control from - * the calculated value - */ - min_hblank = pipe_config->min_hblank - 2; - - /* Maximum value to be programmed is limited to 0x10 */ - min_hblank = min(0x10, min_hblank); - - /* - * Minimum hblank accepted for 128b/132b would be 5 and for - * 8b/10b would be 3 symbol count - */ - if (intel_dp_is_uhbr(pipe_config)) - min_hblank = max(min_hblank, 5); - else - min_hblank = max(min_hblank, 3); - - intel_de_write(display, DP_MIN_HBLANK_CTL(trans), - min_hblank); - } - enable_bs_jitter_was(pipe_config); intel_ddi_enable_transcoder_func(encoder, pipe_config); |