Use helpers for source min/max input bpc with DSC. While at it, make them return int instead of u8 and use struct intel_display.
v2: Make the helpers return int instead of u8. (Jani) v3: Use min/max macros instead of min_t/max_t. (Jani) v4: Use struct intel_display. Signed-off-by: Ankit Nautiyal <[email protected]> Reviewed-by: Suraj Kandpal <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 25 ++++++++++----------- drivers/gpu/drm/i915/display/intel_dp.h | 3 +++ drivers/gpu/drm/i915/display/intel_dp_mst.c | 13 +++++------ 3 files changed, 20 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 10fb2b9e6bc1..e6dacdf00e0b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1788,13 +1788,12 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, return -EINVAL; } -static -int intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915) +int intel_dp_dsc_max_src_input_bpc(struct intel_display *display) { /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ - if (DISPLAY_VER(i915) >= 12) + if (DISPLAY_VER(display) >= 12) return 12; - if (DISPLAY_VER(i915) == 11) + if (DISPLAY_VER(display) == 11) return 10; return 0; @@ -1803,12 +1802,12 @@ int intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915) int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, u8 max_req_bpc) { - struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_display *display = to_intel_display(connector); int i, num_bpc; u8 dsc_bpc[3] = {}; int dsc_max_bpc; - dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(i915); + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(display); if (!dsc_max_bpc) return dsc_max_bpc; @@ -2191,8 +2190,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp, dsc_max_bpp, dsc_min_bpp, pipe_bpp, timeslots); } -static -int intel_dp_dsc_min_src_input_bpc(struct drm_i915_private *i915) +int intel_dp_dsc_min_src_input_bpc(struct intel_display *display) { /* Min DSC Input BPC for ICL+ is 8 */ return 8; @@ -2204,10 +2202,11 @@ bool is_dsc_pipe_bpp_sufficient(struct drm_i915_private *i915, struct link_config_limits *limits, int pipe_bpp) { + struct intel_display *display = to_intel_display(&i915->drm); int dsc_max_bpc, dsc_min_bpc, dsc_max_pipe_bpp, dsc_min_pipe_bpp; - dsc_max_bpc = min(intel_dp_dsc_max_src_input_bpc(i915), conn_state->max_requested_bpc); - dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(i915); + dsc_max_bpc = min(intel_dp_dsc_max_src_input_bpc(display), conn_state->max_requested_bpc); + dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(display); dsc_max_pipe_bpp = min(dsc_max_bpc * 3, limits->pipe.max_bpp); dsc_min_pipe_bpp = max(dsc_min_bpc * 3, limits->pipe.min_bpp); @@ -2246,7 +2245,7 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, struct link_config_limits *limits, int timeslots) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); const struct intel_connector *connector = to_intel_connector(conn_state->connector); int max_req_bpc = conn_state->max_requested_bpc; @@ -2267,14 +2266,14 @@ static int intel_dp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, } } - dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(i915); + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(display); if (!dsc_max_bpc) return -EINVAL; dsc_max_bpc = min(dsc_max_bpc, max_req_bpc); dsc_max_bpp = min(dsc_max_bpc * 3, limits->pipe.max_bpp); - dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(i915); + dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(display); dsc_min_bpp = max(dsc_min_bpc * 3, limits->pipe.min_bpp); /* diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 4ae54e9718ce..e5a25e5cbc25 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -20,6 +20,7 @@ struct intel_atomic_state; struct intel_connector; struct intel_crtc_state; struct intel_digital_port; +struct intel_display; struct intel_dp; struct intel_encoder; @@ -207,5 +208,7 @@ bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate, u8 lane_count); bool intel_dp_has_connector(struct intel_dp *intel_dp, const struct drm_connector_state *conn_state); +int intel_dp_dsc_max_src_input_bpc(struct intel_display *display); +int intel_dp_dsc_min_src_input_bpc(struct intel_display *display); #endif /* __INTEL_DP_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 0662736849ac..9568924d143b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -366,17 +366,14 @@ static int mst_stream_dsc_compute_link_config(struct intel_encoder *encoder, int i, num_bpc; u8 dsc_bpc[3] = {}; int min_bpp, max_bpp, sink_min_bpp, sink_max_bpp; - u8 dsc_max_bpc; + int dsc_max_bpc, dsc_min_bpc; int min_compressed_bpp, max_compressed_bpp; - /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ - if (DISPLAY_VER(display) >= 12) - dsc_max_bpc = min_t(u8, 12, conn_state->max_requested_bpc); - else - dsc_max_bpc = min_t(u8, 10, conn_state->max_requested_bpc); + dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(display); + dsc_min_bpc = intel_dp_dsc_min_src_input_bpc(display); - max_bpp = min_t(u8, dsc_max_bpc * 3, limits->pipe.max_bpp); - min_bpp = limits->pipe.min_bpp; + max_bpp = min(dsc_max_bpc * 3, limits->pipe.max_bpp); + min_bpp = max(dsc_min_bpc * 3, limits->pipe.min_bpp); num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector->dp.dsc_dpcd, dsc_bpc); -- 2.45.2
