Commit 0029d2f7 authored Mar 26, 2025 by Ville Syrjälä

drm/i915: Do more bw readout



Update a bunch of bw related stuff during readout:
- bw_state->dbuf_bw possible now that the wm readout
  has given us access to the plane ddb data
- cdclk_state->bw_min_cdclk

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250326162544.3642-7-ville.syrjala@linux.intel.com


Reviewed-by: Jani Nikula <jani.nikula@intel.com>

parent 074c3127

drivers/gpu/drm/i915/display/intel_bw.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1495,6 +1495,8 @@ void intel_bw_update_hw_state(struct intel_display *display)

		if (DISPLAY_VER(display) >= 11)
		intel_bw_crtc_update(bw_state, crtc_state);

		skl_crtc_calc_dbuf_bw(&bw_state->dbuf_bw[pipe], crtc_state);
		}
		}

		@@ -1510,6 +1512,7 @@ void intel_bw_crtc_disable_noatomic(struct intel_crtc *crtc)

		bw_state->data_rate[pipe] = 0;
		bw_state->num_active_planes[pipe] = 0;
		memset(&bw_state->dbuf_bw[pipe], 0, sizeof(bw_state->dbuf_bw[pipe]));
		}

		static struct intel_global_state *

drivers/gpu/drm/i915/display/intel_cdclk.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -3341,6 +3341,8 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)

		void intel_cdclk_update_hw_state(struct intel_display *display)
		{
		const struct intel_bw_state *bw_state =
		to_intel_bw_state(display->bw.obj.state);
		struct intel_cdclk_state *cdclk_state =
		to_intel_cdclk_state(display->cdclk.obj.state);
		struct intel_crtc *crtc;
		@@ -3358,6 +3360,8 @@ void intel_cdclk_update_hw_state(struct intel_display *display)
		cdclk_state->min_cdclk[pipe] = intel_crtc_compute_min_cdclk(crtc_state);
		cdclk_state->min_voltage_level[pipe] = crtc_state->min_voltage_level;
		}

		cdclk_state->bw_min_cdclk = intel_bw_min_cdclk(display, bw_state);
		}

		void intel_cdclk_crtc_disable_noatomic(struct intel_crtc *crtc)