Message ID | 20240718081803.3338564-5-ankit.k.nautiyal@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Ultrajoiner basic functionality series | expand |
> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Ankit > Nautiyal > Sent: Thursday, July 18, 2024 1:48 PM > To: intel-gfx@lists.freedesktop.org > Cc: Lisovskiy, Stanislav <stanislav.lisovskiy@intel.com>; Saarinen, Jani > <jani.saarinen@intel.com>; ville.syrjala@linux.intel.com > Subject: [PATCH 04/12] drm/i915/display: Use joined pipes in dsc helpers for > slices, bpp > > In preparation of ultrajoiner, use number of joined pipes in the dsc helpers to > compute dsc slices and max compressed bpp, instead of using the joiner flag. > LGTM, Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 27 +++++++++++---------- > drivers/gpu/drm/i915/display/intel_dp.h | 4 +-- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 11 +++++---- > 3 files changed, 22 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index 320d8b6d1bce..ff4c123de0ed 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -752,14 +752,14 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct > drm_i915_private *i915, u32 bpp, u32 p static > u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, > u32 mode_clock, u32 mode_hdisplay, > - bool bigjoiner) > + enum intel_joiner_pipe_count > joined_pipes) > { > u32 max_bpp_small_joiner_ram; > > /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ > max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / > mode_hdisplay; > > - if (bigjoiner) { > + if (joined_pipes == INTEL_PIPE_JOINER_BIG) { > int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : > 24; > /* With bigjoiner multiple dsc engines are used in parallel so > PPC is 2 */ > int ppc = 2; > @@ -778,7 +778,7 @@ u32 get_max_compressed_bpp_with_joiner(struct > drm_i915_private *i915, > u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, > u32 link_clock, u32 lane_count, > u32 mode_clock, u32 mode_hdisplay, > - bool bigjoiner, > + enum intel_joiner_pipe_count > joined_pipes, > enum intel_output_format > output_format, > u32 pipe_bpp, > u32 timeslots) > @@ -824,7 +824,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct > drm_i915_private *i915, > intel_dp_mode_to_fec_clock(mode_clock)); > > joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, > mode_clock, > - mode_hdisplay, > bigjoiner); > + mode_hdisplay, > joined_pipes); > bits_per_pixel = min(bits_per_pixel, joiner_max_bpp); > > bits_per_pixel = intel_dp_dsc_nearest_valid_bpp(i915, bits_per_pixel, > pipe_bpp); @@ -834,7 +834,7 @@ u16 > intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, > > u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, > int mode_clock, int mode_hdisplay, > - bool bigjoiner) > + enum intel_joiner_pipe_count joined_pipes) > { > struct drm_i915_private *i915 = to_i915(connector->base.dev); > u8 min_slice_count, i; > @@ -868,14 +868,14 @@ u8 intel_dp_dsc_get_slice_count(const struct > intel_connector *connector, > > /* Find the closest match to the valid slice count values */ > for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { > - u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner; > + u8 test_slice_count = valid_dsc_slicecount[i] << (joined_pipes / > 2); > > if (test_slice_count > > drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, > false)) > break; > > /* big joiner needs small joiner to be enabled */ > - if (bigjoiner && test_slice_count < 4) > + if (joined_pipes == INTEL_PIPE_JOINER_BIG && test_slice_count > < 4) > continue; > > if (min_slice_count <= test_slice_count) @@ -1201,7 +1201,7 > @@ intel_dp_mode_valid(struct drm_connector *_connector, > u16 dsc_max_compressed_bpp = 0; > u8 dsc_slice_count = 0; > enum drm_mode_status status; > - bool dsc = false, joiner = false; > + bool dsc = false; > enum intel_joiner_pipe_count joined_pipes = > INTEL_PIPE_JOINER_NONE; > > status = intel_cpu_transcoder_mode_valid(dev_priv, mode); @@ - > 1225,7 +1225,6 @@ intel_dp_mode_valid(struct drm_connector *_connector, > > if (intel_dp_need_joiner(intel_dp, connector, > mode->hdisplay, target_clock)) { > - joiner = true; > joined_pipes = INTEL_PIPE_JOINER_BIG; > max_dotclk *= INTEL_PIPE_JOINER_BIG; > } > @@ -1272,14 +1271,14 @@ intel_dp_mode_valid(struct drm_connector > *_connector, > max_lanes, > target_clock, > mode- > >hdisplay, > - joiner, > + > joined_pipes, > > output_format, > pipe_bpp, > 64); > dsc_slice_count = > intel_dp_dsc_get_slice_count(connector, > target_clock, > mode->hdisplay, > - joiner); > + joined_pipes); > } > > dsc = dsc_max_compressed_bpp && dsc_slice_count; @@ - > 1995,6 +1994,7 @@ static int dsc_compute_compressed_bpp(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; > int dsc_joiner_max_bpp; > + int joined_pipes = intel_joiner_num_pipes(pipe_config); > > dsc_src_min_bpp = dsc_src_min_compressed_bpp(); > dsc_sink_min_bpp = > intel_dp_dsc_sink_min_compressed_bpp(pipe_config); > @@ -2009,7 +2009,7 @@ static int dsc_compute_compressed_bpp(struct > intel_dp *intel_dp, > > dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, > adjusted_mode->clock, > > adjusted_mode->hdisplay, > - pipe_config- > >joiner_pipes); > + joined_pipes); > dsc_max_bpp = min(dsc_max_bpp, dsc_joiner_max_bpp); > dsc_max_bpp = min(dsc_max_bpp, to_bpp_int(limits- > >link.max_bpp_x16)); > > @@ -2194,6 +2194,7 @@ int intel_dp_dsc_compute_config(struct intel_dp > *intel_dp, > to_intel_connector(conn_state->connector); > const struct drm_display_mode *adjusted_mode = > &pipe_config->hw.adjusted_mode; > + int joined_pipes = intel_joiner_num_pipes(pipe_config); > int ret; > > pipe_config->fec_enable = pipe_config->fec_enable || @@ -2243,7 > +2244,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, > intel_dp_dsc_get_slice_count(connector, > adjusted_mode->crtc_clock, > adjusted_mode- > >crtc_hdisplay, > - pipe_config->joiner_pipes); > + joined_pipes); > if (!dsc_dp_slice_count) { > drm_dbg_kms(&dev_priv->drm, > "Compressed Slice Count not supported\n"); > diff --git a/drivers/gpu/drm/i915/display/intel_dp.h > b/drivers/gpu/drm/i915/display/intel_dp.h > index a8116210c618..acd05dc7b8ad 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.h > +++ b/drivers/gpu/drm/i915/display/intel_dp.h > @@ -142,7 +142,7 @@ int intel_dp_dsc_compute_max_bpp(const struct > intel_connector *connector, > u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, > u32 link_clock, u32 lane_count, > u32 mode_clock, u32 mode_hdisplay, > - bool bigjoiner, > + enum intel_joiner_pipe_count > joined_pipes, > enum intel_output_format > output_format, > u32 pipe_bpp, > u32 timeslots); > @@ -152,7 +152,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const > struct intel_connector *connector > int bpc); > u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, > int mode_clock, int mode_hdisplay, > - bool bigjoiner); > + enum intel_joiner_pipe_count joined_pipes); > bool intel_dp_need_joiner(struct intel_dp *intel_dp, > struct intel_connector *connector, > int hdisplay, int clock); > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c > b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index 3f45ac7ca4d5..31a2acb7fa11 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -101,11 +101,13 @@ static int intel_dp_mst_bw_overhead(const struct > intel_crtc_state *crtc_state, > flags |= crtc_state->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0; > > if (dsc) { > + int joined_pipes = intel_joiner_num_pipes(crtc_state); > + > flags |= DRM_DP_BW_OVERHEAD_DSC; > dsc_slice_count = intel_dp_dsc_get_slice_count(connector, > adjusted_mode- > >clock, > adjusted_mode- > >hdisplay, > - crtc_state- > >joiner_pipes); > + joined_pipes); > } > > overhead = drm_dp_bw_overhead(crtc_state->lane_count, > @@ -1393,7 +1395,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector > *connector, > int max_dotclk = to_i915(connector->dev)- > >display.cdclk.max_dotclk_freq; > int max_rate, mode_rate, max_lanes, max_link_clock; > int ret; > - bool dsc = false, joiner = false; > + bool dsc = false; > u16 dsc_max_compressed_bpp = 0; > u8 dsc_slice_count = 0; > int target_clock = mode->clock; > @@ -1439,7 +1441,6 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector > *connector, > */ > if (intel_dp_need_joiner(intel_dp, intel_connector, > mode->hdisplay, target_clock)) { > - joiner = true; > joined_pipes = INTEL_PIPE_JOINER_BIG; > max_dotclk *= INTEL_PIPE_JOINER_BIG; > } > @@ -1468,14 +1469,14 @@ intel_dp_mst_mode_valid_ctx(struct > drm_connector *connector, > max_lanes, > target_clock, > mode- > >hdisplay, > - joiner, > + > joined_pipes, > > INTEL_OUTPUT_FORMAT_RGB, > pipe_bpp, > 64); > dsc_slice_count = > intel_dp_dsc_get_slice_count(intel_connector, > target_clock, > mode->hdisplay, > - joiner); > + joined_pipes); > } > > dsc = dsc_max_compressed_bpp && dsc_slice_count; > -- > 2.45.2
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 320d8b6d1bce..ff4c123de0ed 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -752,14 +752,14 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915, u32 bpp, u32 p static u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner) + enum intel_joiner_pipe_count joined_pipes) { u32 max_bpp_small_joiner_ram; /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) / mode_hdisplay; - if (bigjoiner) { + if (joined_pipes == INTEL_PIPE_JOINER_BIG) { int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 24; /* With bigjoiner multiple dsc engines are used in parallel so PPC is 2 */ int ppc = 2; @@ -778,7 +778,7 @@ u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner, + enum intel_joiner_pipe_count joined_pipes, enum intel_output_format output_format, u32 pipe_bpp, u32 timeslots) @@ -824,7 +824,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, intel_dp_mode_to_fec_clock(mode_clock)); joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, mode_clock, - mode_hdisplay, bigjoiner); + mode_hdisplay, joined_pipes); bits_per_pixel = min(bits_per_pixel, joiner_max_bpp); bits_per_pixel = intel_dp_dsc_nearest_valid_bpp(i915, bits_per_pixel, pipe_bpp); @@ -834,7 +834,7 @@ u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, int mode_clock, int mode_hdisplay, - bool bigjoiner) + enum intel_joiner_pipe_count joined_pipes) { struct drm_i915_private *i915 = to_i915(connector->base.dev); u8 min_slice_count, i; @@ -868,14 +868,14 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, /* Find the closest match to the valid slice count values */ for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { - u8 test_slice_count = valid_dsc_slicecount[i] << bigjoiner; + u8 test_slice_count = valid_dsc_slicecount[i] << (joined_pipes / 2); if (test_slice_count > drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; /* big joiner needs small joiner to be enabled */ - if (bigjoiner && test_slice_count < 4) + if (joined_pipes == INTEL_PIPE_JOINER_BIG && test_slice_count < 4) continue; if (min_slice_count <= test_slice_count) @@ -1201,7 +1201,7 @@ intel_dp_mode_valid(struct drm_connector *_connector, u16 dsc_max_compressed_bpp = 0; u8 dsc_slice_count = 0; enum drm_mode_status status; - bool dsc = false, joiner = false; + bool dsc = false; enum intel_joiner_pipe_count joined_pipes = INTEL_PIPE_JOINER_NONE; status = intel_cpu_transcoder_mode_valid(dev_priv, mode); @@ -1225,7 +1225,6 @@ intel_dp_mode_valid(struct drm_connector *_connector, if (intel_dp_need_joiner(intel_dp, connector, mode->hdisplay, target_clock)) { - joiner = true; joined_pipes = INTEL_PIPE_JOINER_BIG; max_dotclk *= INTEL_PIPE_JOINER_BIG; } @@ -1272,14 +1271,14 @@ intel_dp_mode_valid(struct drm_connector *_connector, max_lanes, target_clock, mode->hdisplay, - joiner, + joined_pipes, output_format, pipe_bpp, 64); dsc_slice_count = intel_dp_dsc_get_slice_count(connector, target_clock, mode->hdisplay, - joiner); + joined_pipes); } dsc = dsc_max_compressed_bpp && dsc_slice_count; @@ -1995,6 +1994,7 @@ static int dsc_compute_compressed_bpp(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; int dsc_joiner_max_bpp; + int joined_pipes = intel_joiner_num_pipes(pipe_config); dsc_src_min_bpp = dsc_src_min_compressed_bpp(); dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config); @@ -2009,7 +2009,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, dsc_joiner_max_bpp = get_max_compressed_bpp_with_joiner(i915, adjusted_mode->clock, adjusted_mode->hdisplay, - pipe_config->joiner_pipes); + joined_pipes); dsc_max_bpp = min(dsc_max_bpp, dsc_joiner_max_bpp); dsc_max_bpp = min(dsc_max_bpp, to_bpp_int(limits->link.max_bpp_x16)); @@ -2194,6 +2194,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, to_intel_connector(conn_state->connector); const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + int joined_pipes = intel_joiner_num_pipes(pipe_config); int ret; pipe_config->fec_enable = pipe_config->fec_enable || @@ -2243,7 +2244,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, intel_dp_dsc_get_slice_count(connector, adjusted_mode->crtc_clock, adjusted_mode->crtc_hdisplay, - pipe_config->joiner_pipes); + joined_pipes); if (!dsc_dp_slice_count) { drm_dbg_kms(&dev_priv->drm, "Compressed Slice Count not supported\n"); diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index a8116210c618..acd05dc7b8ad 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -142,7 +142,7 @@ int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915, u32 link_clock, u32 lane_count, u32 mode_clock, u32 mode_hdisplay, - bool bigjoiner, + enum intel_joiner_pipe_count joined_pipes, enum intel_output_format output_format, u32 pipe_bpp, u32 timeslots); @@ -152,7 +152,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector int bpc); u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, int mode_clock, int mode_hdisplay, - bool bigjoiner); + enum intel_joiner_pipe_count joined_pipes); bool intel_dp_need_joiner(struct intel_dp *intel_dp, struct intel_connector *connector, int hdisplay, int clock); diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 3f45ac7ca4d5..31a2acb7fa11 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -101,11 +101,13 @@ static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state, flags |= crtc_state->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0; if (dsc) { + int joined_pipes = intel_joiner_num_pipes(crtc_state); + flags |= DRM_DP_BW_OVERHEAD_DSC; dsc_slice_count = intel_dp_dsc_get_slice_count(connector, adjusted_mode->clock, adjusted_mode->hdisplay, - crtc_state->joiner_pipes); + joined_pipes); } overhead = drm_dp_bw_overhead(crtc_state->lane_count, @@ -1393,7 +1395,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, int max_dotclk = to_i915(connector->dev)->display.cdclk.max_dotclk_freq; int max_rate, mode_rate, max_lanes, max_link_clock; int ret; - bool dsc = false, joiner = false; + bool dsc = false; u16 dsc_max_compressed_bpp = 0; u8 dsc_slice_count = 0; int target_clock = mode->clock; @@ -1439,7 +1441,6 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, */ if (intel_dp_need_joiner(intel_dp, intel_connector, mode->hdisplay, target_clock)) { - joiner = true; joined_pipes = INTEL_PIPE_JOINER_BIG; max_dotclk *= INTEL_PIPE_JOINER_BIG; } @@ -1468,14 +1469,14 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, max_lanes, target_clock, mode->hdisplay, - joiner, + joined_pipes, INTEL_OUTPUT_FORMAT_RGB, pipe_bpp, 64); dsc_slice_count = intel_dp_dsc_get_slice_count(intel_connector, target_clock, mode->hdisplay, - joiner); + joined_pipes); } dsc = dsc_max_compressed_bpp && dsc_slice_count;
In preparation of ultrajoiner, use number of joined pipes in the dsc helpers to compute dsc slices and max compressed bpp, instead of using the joiner flag. Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> --- drivers/gpu/drm/i915/display/intel_dp.c | 27 +++++++++++---------- drivers/gpu/drm/i915/display/intel_dp.h | 4 +-- drivers/gpu/drm/i915/display/intel_dp_mst.c | 11 +++++---- 3 files changed, 22 insertions(+), 20 deletions(-)