Commit a43a02d8 authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/display: Factor out intel_display_{min, max}_pipe_bpp() 



Factor out helpers that can be used in a follow-up change to query the
minimum and maximum pipe bpp supported by the HW.

Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250509180340.554867-10-imre.deak@intel.com
parent 00f00859

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

+18 −10
Original line number Diff line number Diff line
@@ -4318,6 +4318,22 @@ compute_sink_pipe_bpp(const struct drm_connector_state *conn_state, 
	return 0;

}



int intel_display_min_pipe_bpp(void)

{

	return 6 * 3;

}



int intel_display_max_pipe_bpp(struct intel_display *display)

{

	if (display->platform.g4x || display->platform.valleyview ||

	    display->platform.cherryview)

		return 10*3;

	else if (DISPLAY_VER(display) >= 5)

		return 12*3;

	else

		return 8*3;

}



static int

compute_baseline_pipe_bpp(struct intel_atomic_state *state,

			  struct intel_crtc *crtc)
@@ -4327,17 +4343,9 @@ compute_baseline_pipe_bpp(struct intel_atomic_state *state, 
		intel_atomic_get_new_crtc_state(state, crtc);

	struct drm_connector *connector;

	struct drm_connector_state *connector_state;

	int bpp, i;



	if (display->platform.g4x || display->platform.valleyview ||

	    display->platform.cherryview)

		bpp = 10*3;

	else if (DISPLAY_VER(display) >= 5)

		bpp = 12*3;

	else

		bpp = 8*3;

	int i;



	crtc_state->pipe_bpp = bpp;

	crtc_state->pipe_bpp = intel_display_max_pipe_bpp(display);



	/* Clamp display bpp to connector max bpp */

	for_each_new_connector_in_state(&state->base, connector, connector_state, i) {

drivers/gpu/drm/i915/display/intel_display.h

+3 −0
Original line number Diff line number Diff line
@@ -524,6 +524,9 @@ void intel_plane_fixup_bitmasks(struct intel_crtc_state *crtc_state); 
bool intel_crtc_vrr_disabling(struct intel_atomic_state *state,

			      struct intel_crtc *crtc);



int intel_display_min_pipe_bpp(void);

int intel_display_max_pipe_bpp(struct intel_display *display);



/* modesetting */

int intel_modeset_pipes_in_mask_early(struct intel_atomic_state *state,

				      const char *reason, u8 pipe_mask);

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

+1 −1
Original line number Diff line number Diff line
@@ -1199,7 +1199,7 @@ 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;

}