Commit a5beee65 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/fbc: Extract intel_fbc_max_plane_size() 



Extract intel_fbc_max_plane_size() from intel_fbc_plane_size_valid().
We'll have another use for this soon in determining how much stolen
memory we'd like to keep reserved for FBC.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240705145254.3355-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 6c9ee258

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

+18 −11
Original line number Diff line number Diff line
@@ -1109,26 +1109,33 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state * 
	return effective_w <= max_w && effective_h <= max_h;

}



static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)

static void intel_fbc_max_plane_size(struct intel_display *display,

				     unsigned int *w, unsigned int *h)

{

	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);

	struct drm_i915_private *i915 = to_i915(display->drm);

	unsigned int w, h, max_w, max_h;



	if (DISPLAY_VER(display) >= 10) {

		max_w = 5120;

		max_h = 4096;

		*w = 5120;

		*h = 4096;

	} else if (DISPLAY_VER(display) >= 8 || IS_HASWELL(i915)) {

		max_w = 4096;

		max_h = 4096;

		*w = 4096;

		*h = 4096;

	} else if (IS_G4X(i915) || DISPLAY_VER(display) >= 5) {

		max_w = 4096;

		max_h = 2048;

		*w = 4096;

		*h = 2048;

	} else {

		max_w = 2048;

		max_h = 1536;

		*w = 2048;

		*h = 1536;

	}

}



static bool intel_fbc_plane_size_valid(const struct intel_plane_state *plane_state)

{

	struct intel_display *display = to_intel_display(plane_state->uapi.plane->dev);

	unsigned int w, h, max_w, max_h;



	intel_fbc_max_plane_size(display, &max_w, &max_h);



	w = drm_rect_width(&plane_state->uapi.src) >> 16;

	h = drm_rect_height(&plane_state->uapi.src) >> 16;