On Fri, Jul 05, 2024 at 05:52:38PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> 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: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_fbc.c | 29 +++++++++++++++---------
> 1 file changed, 18 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 8f3b8f2cbf7b..08a431cfbbb3 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -1110,25 +1110,32 @@ 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;
> --
> 2.44.2
>
